Arclan MCP Registry
MCP server registry — validated by live handshake, scored on reliability, monitored continuously.
Executive verdict
trustsnap_f09d8762b5263ffb- Machine trust evaluator activity
- Possible agent/script activity
- profile / compare / report JSON inspection
Current trust snapshot
trustsnap_f09d8762b5263ffbCanonical machine links
Own this MCP?
Claim ownership, prove control with a GitHub, DNS, HTTP, MCP metadata, or email-domain challenge, revalidate now, publish a badge, configure monitoring, and unlock a verified server profile.
POST /v1/servers/ai.arclan/registry/revalidateBadge embed
[](https://verify.sentinelsignal.io/servers/ai.arclan/registry)
MCP TrustOps
TrustOps turns this report into operational controls: freshness SLAs, authenticated validation, semantic benchmarks, policy exports, alert subscriptions, badges, cost/compliance metadata, and runtime routing. Fresh trusted index decisions stay separate from long-tail inventory so stale scores do not masquerade as current evidence.
/v1/decideAlert subscription types
MCP Runtime hosting
Verify Hosted MCP turns a trusted server report into a managed remote MCP endpoint with GitHub deployment provenance, sandbox policy, encrypted secrets, release history, rollback, and audit/usage events.
/hosted/{namespace}/{name}/mcp| Deployment | Status | Endpoint | Release |
|---|---|---|---|
| No hosted runtime deployments yet. | |||
Production readiness class
Evidence confidence
Recommended for
Client compatibility verdicts
Client compatibility only means the server shape can work with a client. Production trust decision and write-action publishing are evaluated separately so a client-compatible server can still be blocked for production.
Evidence provenance
initialize• OKtools_list• OKtransport_compliance_probe• Errorstep_up_auth_probe• Missingconnector_replay_probe• Missing — Frozen tool snapshots must survive refresh.request_association_probe• Missing — Roots, sampling, and elicitation should stay request-scoped.
Evidence provenance
initialize• OKtools_list• OKtransport_compliance_probe• Error
Evidence provenance
action_safety_probe• Error
Evidence provenance
tool_snapshot_probe• Missingconnector_replay_probe• Missing
Why compatibility is limited by client
Remediation checklist
OpenAI connectors expect OAuth for remote server auth.Dynamic client registration materially improves connector setup.Transport compliance should be in good shape.search fetch only is not yet satisfiedoauth configured is not yet satisfiedadmin refresh required is not yet satisfied
Remediation checklist
Transport behavior should match Claude-compatible HTTP expectations.search fetch only is not yet satisfiedoauth configured is not yet satisfiedadmin refresh required is not yet satisfiedsafe for company knowledge is not yet satisfiedsafe for messages api remote mcp is not yet satisfied
Remediation checklist
Add a clearer auth boundary around risky write actions.Add confirmation or dry-run semantics for risky actions.Constrain or sandbox exec-capable tools before publishing broadly.
Verdict traces
- No active alert triggers.
Client verdict trace table
| Verdict | Status | Checks | Winning source | Conflicts |
|---|---|---|---|---|
openai_connectors |
Partially client-compatible | initialize, tools_list, transport_compliance_probe, step_up_auth_probe, connector_replay_probe, request_association_probe | live_validation | none |
claude_desktop |
Client-compatible | initialize, tools_list, transport_compliance_probe | live_validation | none |
unsafe_for_write_actions |
Publishing blocked | action_safety_probe | live_validation | none |
snapshot_churn_risk |
Low | tool_snapshot_probe, connector_replay_probe | history | none |
Publishability policy profiles
- Search Fetch Only: No
- Write Actions Present: Yes
- Oauth Configured: No
- Admin Refresh Required: No
- Safe For Company Knowledge: No
- Safe For Messages Api Remote Mcp: No
- Search Fetch Only: No
- Write Actions Present: Yes
- Oauth Configured: No
- Admin Refresh Required: No
- Safe For Company Knowledge: No
- Safe For Messages Api Remote Mcp: No
Compatibility fixtures
- remote_http_endpoint: Passes
- oauth_discovery: Degraded
- frozen_tool_snapshot_refresh: Passes
- request_association: Passes
- remote_transport: Passes
- tool_discovery: Passes
- auth_connect: Passes
- safe_write_review: Degraded
Authenticated validation sessions
Public validation is free. Authenticated validation is paid and proves scoped behavior, write-action safeguards, and authenticated tool execution.
/v1/verify/v1/ci/previewPublic server reputation
Incident & change feed
| Timestamp | Event | Details |
|---|---|---|
| Jul 31, 2026 05:34:02 AM UTC | Latest validation: healthy | Score 69.1 with status healthy. |
Capabilities
- OAuth:
- DCR/CIMD:
- Prompts:
- Homepage: none
- Docs: none
- Support: none
- Icon: none
- Remote endpoint: https://arclan.ai/mcp
- Server card: none
Security posture
Agent Commerce & Payment Readiness - Beta
Beta assessment. Verify separates commerce-adjacent context from observed payment execution. Usage, billing, pricing, card, wallet, or meter terms alone do not make a server payment-capable. This is not a certification of safety, compliance, or fraud prevention.
Warnings
- Verify observed commerce-adjacent billing, usage, or pricing context, but did not observe a tool that can execute payment.
Evidence
| Field | Value | Source | Matched terms | Confidence |
|---|---|---|---|---|
| commerce_signal | moderate | tool_schema | limit, limits, usage, rate | medium |
Recommended operator fixes
- Clarify whether observed billing, usage, or pricing context can execute payment or is informational only.
Tool capability & risk inventory
| Tool | Capabilities | Risk | Findings | Notes |
|---|---|---|---|---|
query_registry |
read write exec export | High | command execution bulk data access | Safeguards hinted in metadata. |
get_server |
read network | Medium | arbitrary network egress freeform input surface | No explicit safeguard hints detected. |
recommend_server |
read write filesystem export | Medium | bulk data access filesystem mutation | No explicit safeguard hints detected. |
report_server |
read write network | Medium | arbitrary network egress freeform input surface | No explicit safeguard hints detected. |
Write-action governance
Status detail: 1 high-risk tool(s), 1 exec-capable tool(s) are exposed without a clear auth boundary; 1 safeguard(s) and 0 confirmation signal(s) detected.
| Tool | Risk | Flags | Safeguards |
|---|---|---|---|
query_registry |
High | command execution bulk data access | yes |
Action-controls diff
New actions
| Action | Risk | Flags |
|---|---|---|
| No newly added actions. | ||
Changed actions
| Action | Change types | Risk |
|---|---|---|
| No materially changed actions. | ||
Why this score?
Algorithmic score breakdown
Compatibility profiles
Connector URL: https://arclan.ai/mcp # No OAuth metadata detected. # Server: ai.arclan/registry
{
"mcpServers": {
"registry": {
"command": "npx",
"args": ["mcp-remote", "https://arclan.ai/mcp"]
}
}
}
smithery mcp add "https://arclan.ai/mcp"
curl -sS https://arclan.ai/mcp -H 'content-type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"mcp-verify","version":"0.1.0"}}}'
Actionable remediation
| Severity | Remediation | Why it matters | Recommended action |
|---|---|---|---|
| High | Add confirmation and dry-run semantics for risky actions | High-risk write, delete, exec, or egress tools should communicate safeguards clearly. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
| High | Align session and protocol behavior with Streamable HTTP expectations | Clients increasingly rely on MCP-Protocol-Version, session teardown, and expired-session semantics. | Align MCP-Protocol-Version, MCP-Session-Id, DELETE teardown, and expired-session handling with the transport spec.Playbook
|
| High | Associate roots, sampling, and elicitation with active client requests | Modern MCP guidance expects roots, sampling, and elicitation traffic to be tied to an active client request instead of arriving unsolicited on idle sessions. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
| High | Expose /.well-known/oauth-protected-resource | Without a protected-resource document, OAuth clients cannot discover auth requirements reliably. | Serve /.well-known/oauth-protected-resource and point it at your authorization server metadata.Playbook
|
| High | Keep connector refreshes backward compatible | Managed connector clients freeze tool snapshots, so removed tools, new required args, and breaking output changes can break published integrations after refresh. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
| High | Publish OAuth authorization-server metadata | Clients need authorization-server metadata to discover issuer, endpoints, and DCR support. | Publish /.well-known/oauth-authorization-server from your issuer and include registration_endpoint when supported.Playbook
|
| High | Stop asking users to paste secrets directly | Public MCP servers should prefer OAuth or browser-based auth guidance over in-band secret collection. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
| Medium | Adopt a current MCP protocol revision | Older protocol revisions reduce compatibility with newer clients and registry programs. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
| Medium | Close connector-publishing gaps | Connector catalogs care about protocol recency, session behavior, auth clarity, and tool-surface stability. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
| Medium | Document minimal scopes and return cleaner auth challenges | Modern clients expect granular scopes and step-up auth signals such as WWW-Authenticate scope hints. | Return granular scopes and WWW-Authenticate challenge hints instead of forcing overly broad auth upfront.Playbook
|
| Medium | Publish OpenID configuration | OIDC metadata improves token validation and client compatibility. | Expose /.well-known/openid-configuration with issuer, jwks_uri, and supported grants.Playbook
|
| Medium | Reduce tool-surface churn | Frequent add/remove or output-shape drift makes published connectors and cached tool snapshots brittle. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
| Medium | Repair prompts/list or stop advertising prompts | Prompt metadata should either work live or be removed from the advertised capability set. | Only advertise prompts if prompts/list works and prompt arguments are documented.Playbook
|
| Medium | Repair resources/list or stop advertising resources | Resource metadata should either work live or be removed from the advertised capability set. | Only advertise resources if resources/list works and resources expose stable URIs/types.Playbook
|
| Medium | Support resumable HTTP sessions cleanly | Modern MCP clients increasingly expect resumable session behavior on streamable HTTP transports. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
| Low | Expose modern utility surfaces like completions, pagination, or tasks | Utility coverage improves interoperability with larger clients and long-lived agent workflows. | Expose completions, pagination, and task metadata where supported so larger clients can plan and resume work safely.Playbook
|
| Low | Publish newer MCP capability signals | Roots, sampling, elicitation, structured outputs, and related metadata improve client understanding and ranking. | Inspect the latest validation evidence and resolve the client-visible regression.Playbook
|
Point loss breakdown
| Component | Current | Points missing |
|---|---|---|
| Transport Compliance | 0/4 | -4.0 |
| Recovery Semantics | 0/4 | -4.0 |
| Trust Confidence | 1.8/4 | -2.2 |
| Utility Coverage | 2/4 | -2.0 |
| Security Hygiene | 2/4 | -2.0 |
| Schema Completeness | 2/4 | -2.0 |
| Safety Transparency | 2/4 | -2.0 |
| Result Shape Stability | 2/4 | -2.0 |
| Resource Contract | 2/4 | -2.0 |
| Registry Consistency | 2/4 | -2.0 |
| Rate Limit Semantics | 2/4 | -2.0 |
| Prompt Contract | 2/4 | -2.0 |
Validation diff
Need at least two validation runs before diffing changes.
Tool snapshot diff & changelog
Need at least two validation runs before building a tool changelog.
Connector replay
Required-argument replay breaks
| Tool | Added required args | Removed required args |
|---|---|---|
| No required-argument replay breaks detected. | ||
Output-schema replay breaks
| Tool | Removed properties | Added properties |
|---|---|---|
| No output-schema replay breaks detected. | ||
Transport compliance drilldown
Issues: missing_session_id, missing_protocol_header, bad_protocol_not_rejected
Request association
Utility coverage
Benchmark tasks
| Benchmark task | Status | Evidence |
|---|---|---|
| Discover tools | Passes |
|
| Read-only fetch flow | Likely to fail |
|
| OAuth-required connect | Degraded |
|
| Safe write flow with confirmation | Likely to fail |
|
Registry & provenance divergence
| Field | Registry | Live server card |
|---|---|---|
| Title | n/a | Arclan MCP Registry |
| Version | n/a | 0.1.0 |
| Homepage | n/a | n/a |
Active alerts
No active alerts for the current server state.
Aliases & registry graph
| Identifier | Source | Canonical | Score |
|---|---|---|---|
ai.arclan/registry |
official_registry | yes | 69.13 |
Alias consolidation
Source disagreements
| Field | What differs | Observed values |
|---|---|---|
| No source disagreements detected. | ||
Install snippets
Connector URL: https://arclan.ai/mcp # No OAuth metadata detected. # Server: ai.arclan/registry
{
"mcpServers": {
"registry": {
"command": "npx",
"args": ["mcp-remote", "https://arclan.ai/mcp"]
}
}
}
smithery mcp add "https://arclan.ai/mcp"
curl -sS https://arclan.ai/mcp -H 'content-type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"mcp-verify","version":"0.1.0"}}}'
Agent access & tool surface
tools/list, prompts/list, and resources/list checks.ai.arclan/registry.Claims & monitoring
No verified maintainer claim recorded.
Alert routing
| Watch | Team | Channels | Minimum severity |
|---|---|---|---|
| No active watch destinations. | |||
Maintainer analytics
Maintainer response quality
Maintainer annotations
No maintainer annotations have been recorded yet.
Maintainer rebuttals & expected behavior
No maintainer rebuttals or expected-behavior overrides are recorded yet.
Latest validation evidence
Failures
oauth_authorization_serverno authorization serveroauth_protected_resourceClient error '404 Not Found' for url 'https://arclan.ai/.well-known/oauth-protected-resource' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404openid_configurationno authorization servertransport_compliance_probeIssues: missing session id, missing protocol header, bad protocol not rejected (bad protocol=200).
Checks
| Check | Status | Latency | Evidence |
|---|---|---|---|
action_safety_probe |
Error | n/a | 1 high-risk, 1 exec-capable tool(s); no clear auth boundary; safeguards=1; confirmation=none. |
advanced_capabilities_probe |
Missing | n/a | No advanced MCP capability signals detected. |
connector_publishability_probe |
Warning | n/a | Publishability blockers: transport compliance, action safety. |
connector_replay_probe |
Missing | n/a | No connector replay evidence recorded. |
determinism_probe |
OK | 83.4 ms | Check completed |
initialize |
OK | 252.3 ms | Protocol 2024-11-05 |
interactive_flow_probe |
Missing | n/a | Check completed |
oauth_authorization_server |
Missing | n/a | no authorization server |
oauth_protected_resource |
Error | 82.5 ms | Client error '404 Not Found' for url 'https://arclan.ai/.well-known/oauth-protected-resource' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404 |
official_registry_probe |
OK | n/a | Check completed |
openid_configuration |
Missing | n/a | no authorization server |
probe_noise_resilience |
OK | 82.0 ms | Fetched https://arclan.ai/robots.txt |
prompt_get |
Missing | n/a | not advertised |
prompts_list |
Missing | 83.5 ms | not supported |
protocol_version_probe |
Warning | n/a | Claims 2024-11-05; 3 release(s) behind 2025-11-25. |
provenance_divergence_probe |
OK | n/a | Check completed |
request_association_probe |
Missing | n/a | No request-association capabilities were advertised. |
resource_read |
Missing | n/a | not advertised |
resources_list |
Missing | 83.0 ms | not supported |
server_card |
OK | 270.4 ms | $schema, capabilities, description, name |
session_resume_probe |
Warning | n/a | no session id |
step_up_auth_probe |
Missing | n/a | No OAuth or incremental-scope signals detected. |
tool_snapshot_probe |
Missing | n/a | no historical snapshot |
tools_list |
OK | 84.0 ms | 4 tool(s) exposed |
transport_compliance_probe |
Error | 83.7 ms | Issues: missing session id, missing protocol header, bad protocol not rejected (bad protocol=200). |
utility_coverage_probe |
Missing | 82.9 ms | No completions evidence; no pagination evidence; tasks missing. |
Raw evidence view
Show raw JSON evidence
{
"checks": {
"action_safety_probe": {
"details": {
"auth_present": false,
"confirmation_signals": [],
"safeguard_count": 1,
"summary": {
"bulk_access_tools": 2,
"capability_distribution": {
"exec": 1,
"export": 2,
"filesystem": 1,
"network": 2,
"read": 4,
"write": 3
},
"destructive_tools": 0,
"egress_tools": 2,
"exec_tools": 1,
"high_risk_tools": 1,
"risk_distribution": {
"critical": 0,
"high": 1,
"low": 0,
"medium": 3
},
"secret_tools": 0,
"tool_count": 4
}
},
"latency_ms": null,
"status": "error"
},
"advanced_capabilities_probe": {
"details": {
"capabilities": {
"completions": false,
"elicitation": false,
"prompts": false,
"resource_links": false,
"resources": false,
"roots": false,
"sampling": false,
"structured_outputs": false
},
"enabled": [],
"enabled_count": 0,
"initialize_capability_keys": [
"tools"
]
},
"latency_ms": null,
"status": "missing"
},
"connector_publishability_probe": {
"details": {
"blockers": [
"transport_compliance",
"action_safety"
],
"criteria": {
"action_safety": false,
"auth_flow": true,
"connector_replay": true,
"initialize": true,
"protocol_version": true,
"remote_transport": true,
"request_association": true,
"server_card": true,
"session_resume": true,
"step_up_auth": true,
"tool_surface": true,
"tools_list": true,
"transport_compliance": false
},
"high_risk_tools": 1,
"tool_count": 4,
"transport": "streamable-http"
},
"latency_ms": null,
"status": "warning"
},
"connector_replay_probe": {
"details": {
"reason": "no_historical_snapshot"
},
"latency_ms": null,
"status": "missing"
},
"determinism_probe": {
"details": {
"attempts": 2,
"baseline_signature": "676f4e783efa5e0b550c887a24366d5763f10b4222c22f36dcf75bb0830a2099",
"errors": [],
"matches": 2,
"stable_ratio": 1.0,
"successful": 2
},
"latency_ms": 83.4,
"status": "ok"
},
"initialize": {
"details": {
"headers": {
"content-type": "application/json; charset=utf-8",
"strict-transport-security": "max-age=31536000; includeSubDomains; preload"
},
"http_status": 200,
"payload": {
"id": 1,
"jsonrpc": "2.0",
"result": {
"capabilities": {
"tools": {}
},
"protocolVersion": "2024-11-05",
"serverInfo": {
"description": "MCP server registry \u2014 find and report on validated MCP servers",
"name": "arclan-registry",
"version": "0.1.0"
}
}
},
"url": "https://arclan.ai/mcp"
},
"latency_ms": 252.28,
"status": "ok"
},
"interactive_flow_probe": {
"details": {
"oauth_supported": false,
"prompt_available": false,
"risk_hits": [],
"safe_hits": []
},
"latency_ms": null,
"status": "missing"
},
"oauth_authorization_server": {
"details": {
"reason": "no_authorization_server"
},
"latency_ms": null,
"status": "missing"
},
"oauth_protected_resource": {
"details": {
"error": "Client error '404 Not Found' for url 'https://arclan.ai/.well-known/oauth-protected-resource'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404",
"url": "https://arclan.ai/.well-known/oauth-protected-resource"
},
"latency_ms": 82.53,
"status": "error"
},
"official_registry_probe": {
"details": {
"direct_match": true,
"official_peer_count": 1,
"registry_identifier": "ai.arclan/registry",
"registry_source": "official_registry"
},
"latency_ms": null,
"status": "ok"
},
"openid_configuration": {
"details": {
"reason": "no_authorization_server"
},
"latency_ms": null,
"status": "missing"
},
"probe_noise_resilience": {
"details": {
"headers": {
"content-type": "text/plain",
"strict-transport-security": "max-age=31536000; includeSubDomains; preload"
},
"http_status": 200,
"url": "https://arclan.ai/robots.txt"
},
"latency_ms": 81.97,
"status": "ok"
},
"prompt_get": {
"details": {
"reason": "not_advertised"
},
"latency_ms": null,
"status": "missing"
},
"prompts_list": {
"details": {
"headers": {
"content-type": "application/json; charset=utf-8",
"strict-transport-security": "max-age=31536000; includeSubDomains; preload"
},
"http_status": 200,
"payload": {
"error": {
"code": -32601,
"message": "Method not found: prompts/list"
},
"id": 3,
"jsonrpc": "2.0"
},
"reason": "not_supported",
"url": "https://arclan.ai/mcp"
},
"latency_ms": 83.55,
"status": "missing"
},
"protocol_version_probe": {
"details": {
"claimed_version": "2024-11-05",
"lag_days": 385,
"latest_known_version": "2025-11-25",
"releases_behind": 3,
"validator_protocol_version": "2025-03-26"
},
"latency_ms": null,
"status": "warning"
},
"provenance_divergence_probe": {
"details": {
"direct_official_match": true,
"drift_fields": [],
"metadata_document_count": 2,
"registry_homepage": null,
"registry_repository": null,
"registry_title": null,
"registry_version": null,
"server_card_homepage": null,
"server_card_repository": null,
"server_card_title": "Arclan MCP Registry",
"server_card_version": "0.1.0"
},
"latency_ms": null,
"status": "ok"
},
"request_association_probe": {
"details": {
"reason": "no_request_association_capabilities_advertised"
},
"latency_ms": null,
"status": "missing"
},
"resource_read": {
"details": {
"reason": "not_advertised"
},
"latency_ms": null,
"status": "missing"
},
"resources_list": {
"details": {
"headers": {
"content-type": "application/json; charset=utf-8",
"strict-transport-security": "max-age=31536000; includeSubDomains; preload"
},
"http_status": 200,
"payload": {
"error": {
"code": -32601,
"message": "Method not found: resources/list"
},
"id": 5,
"jsonrpc": "2.0"
},
"reason": "not_supported",
"url": "https://arclan.ai/mcp"
},
"latency_ms": 83.03,
"status": "missing"
},
"server_card": {
"details": {
"headers": {
"content-type": "application/json",
"strict-transport-security": "max-age=31536000; includeSubDomains; preload"
},
"http_status": 200,
"payload": {
"$schema": "https://static.modelcontextprotocol.io/schemas/server-card/draft/server-card.schema.json",
"capabilities": {
"tools": {}
},
"description": "Machine-evaluated registry of MCP servers. Every server is validated via live handshake, scored on reliability, and monitored continuously.",
"name": "ai.arclan/registry",
"packages": [
{
"registryType": "url",
"transport": {
"type": "http"
},
"url": "https://arclan.ai/mcp"
}
],
"remotes": [
{
"authentication": {
"type": "none"
},
"transportType": "http",
"url": "https://arclan.ai/mcp"
}
],
"supportedProtocolVersions": [
"2024-11-05",
"2025-03-26",
"2025-11-25"
],
"title": "Arclan MCP Registry",
"version": "0.1.0",
"websiteUrl": "https://arclan.ai"
},
"url": "https://arclan.ai/.well-known/mcp/server-card.json"
},
"latency_ms": 270.37,
"status": "ok"
},
"session_resume_probe": {
"details": {
"protocol_version": "2024-11-05",
"reason": "no_session_id",
"resume_expected": true,
"transport": "streamable-http"
},
"latency_ms": null,
"status": "warning"
},
"step_up_auth_probe": {
"details": {
"auth_required_checks": [],
"broad_scopes": [],
"challenge_headers": [],
"minimal_scope_documented": false,
"oauth_present": false,
"scope_specificity_ratio": 0.0,
"step_up_signals": [],
"supported_scopes": []
},
"latency_ms": null,
"status": "missing"
},
"tool_snapshot_probe": {
"details": {
"current_tool_count": 4,
"reason": "no_historical_snapshot"
},
"latency_ms": null,
"status": "missing"
},
"tools_list": {
"details": {
"headers": {
"content-type": "application/json; charset=utf-8",
"strict-transport-security": "max-age=31536000; includeSubDomains; preload"
},
"http_status": 200,
"payload": {
"id": 2,
"jsonrpc": "2.0",
"result": {
"tools": [
{
"description": "Search the Arclan registry for MCP servers. By default returns only connectable servers (active, mcp_partial, auth_gated). Use status=stdio to browse local-only servers available for installation. Use status=all to query the full index. Use production_safe=true to restrict to servers with uptime > 97% and handshake success > 95%. Use read_only=true to restrict to servers with no write or exec tools. Use this before connecting to an MCP server to check its validation status and score. After using a server, call report_server to contribute reliability data.",
"inputSchema": {
"properties": {
"capability": {
"description": "Filter by tool name or keyword (searches name, description, tools)",
"type": "string"
},
"limit": {
"description": "Max results to return 1\u201320 (default 10)",
"type": "number"
},
"min_score": {
"description": "Minimum validation score 0\u2013100 (default 0)",
"type": "number"
},
"production_safe": {
"description": "Only return servers with uptime_7d > 97% and handshake_success_rate > 95%. Use when reliability matters.",
"type": "boolean"
},
"read_only": {
"description": "Only return servers with no write or exec tools \u2014 safe for read-only agent workflows.",
"type": "boolean"
},
"status": {
"description": "Filter by state. Default (omit): connectable states only (active + mcp_partial + auth_gated). Use \"stdio\" for local-install catalog. Use \"all\" for the full index.",
"enum": [
"active",
"mcp_partial",
"auth_gated",
"stdio",
"unreachable",
"invalid",
"zombie",
"all"
],
"type": "string"
},
"transport": {
"description": "Filter by transport type",
"enum": [
"http",
"sse",
"stdio",
"unknown"
],
"type": "string"
}
},
"type": "object"
},
"name": "query_registry"
},
{
"description": "Get full details for a specific MCP server. Pass the server name (e.g. \"GitHub\", \"Brave Search\"), registry ID slug, or endpoint URL. Returns score, state, tools list, latency, and recent test history.",
"inputSchema": {
"properties": {
"id": {
"description": "Server name, registry ID slug, or any identifier (e.g. \"github\", \"brave-search\", \"gateway-pipeworx-io-rpc-mcp\")",
"type": "string"
},
"url": {
"description": "The MCP server endpoint URL (e.g. \"https://mcp.example.com/mcp\")",
"type": "string"
}
},
"type": "object"
},
"name": "get_server"
},
{
"description": "Get ranked MCP server recommendations for a task. Returns servers scored by production safety, keyword relevance, registry score, latency, and freshness. Each result includes a reason code array explaining why it was ranked. Use this instead of query_registry when you want an opinionated ranked list rather than a filtered search.",
"inputSchema": {
"properties": {
"auth": {
"description": "Include servers that require authentication (default: true)",
"type": "boolean"
},
"limit": {
"description": "Max results 1\u201320 (default: 5)",
"type": "number"
},
"production_safe": {
"description": "Only return production-safe servers (uptime > 97%, handshake > 95%)",
"type": "boolean"
},
"q": {
"description": "Task or capability query \u2014 e.g. \"search the web\" or \"read files\"",
"type": "string"
},
"read_only": {
"description": "Only return servers with no write-classified tools",
"type": "boolean"
}
},
"type": "object"
},
"name": "recommend_server"
},
{
"description": "Submit an agent usage report for an MCP server. Reports are aggregated and influence registry trust scores. Call this after using an MCP server so the registry can track real-world reliability. Supports both a simple outcome report and a structured scoring report (criterion + component_score).",
"inputSchema": {
"properties": {
"agentId": {
"description": "Identifier for the reporting agent (optional)",
"type": "string"
},
"componentScore": {
"description": "Score 0\u2013100 for the specified criterion",
"type": "number"
},
"criterion": {
"description": "Specific reliability criterion being scored (enables structured component scoring)",
"enum": [
"output_reliability",
"side_effect_transparency",
"failure_handling",
"rate_limits",
"agent_feedback"
],
"type": "string"
},
"environment": {
"description": "Environment the server was used in",
"enum": [
"prod",
"staging",
"dev",
"unknown"
],
"type": "string"
},
"errors": {
"description": "Array of error strings encountered during tool use",
"items": {
"type": "string"
},
"type": "array"
},
"evidenceRef": {
"description": "Trace ID, log URL, or other reference supporting this report",
"type": "string"
},
"latencyMs": {
"description": "Total wall-clock latency in milliseconds",
"type": "number"
},
"outcome": {
"description": "Result of using the server",
"enum": [
"success",
"failure",
"partial"
],
"type": "string"
},
"serverUrl": {
"description": "The MCP server endpoint URL that was used",
"type": "string"
},
"severity": {
"description": "Severity of the worst issue encountered",
"enum": [
"info",
"warning",
"error",
"critical"
],
"type": "string"
},
"taskCategory": {
"description": "Category of task attempted (e.g. \"search\", \"write\", \"read\")",
"type": "string"
},
"taskDescription": {
"description": "Brief description of what the task was",
"type": "string"
},
"toolsUsed": {
"description": "List of tool names that were called",
"items": {
"type": "string"
},
"type": "array"
},
"turnsRequired": {
"description": "Number of turns to complete the task",
"type": "number"
}
},
"required": [
"serverUrl",
"outcome"
],
"type": "object"
},
"name": "report_server"
}
]
}
},
"url": "https://arclan.ai/mcp"
},
"latency_ms": 84.02,
"status": "ok"
},
"transport_compliance_probe": {
"details": {
"bad_protocol_error": null,
"bad_protocol_headers": {
"content-type": "application/json; charset=utf-8",
"strict-transport-security": "max-age=31536000; includeSubDomains; preload"
},
"bad_protocol_payload": {
"id": 410,
"jsonrpc": "2.0",
"result": {
"tools": [
{
"description": "Search the Arclan registry for MCP servers. By default returns only connectable servers (active, mcp_partial, auth_gated). Use status=stdio to browse local-only servers available for installation. Use status=all to query the full index. Use production_safe=true to restrict to servers with uptime > 97% and handshake success > 95%. Use read_only=true to restrict to servers with no write or exec tools. Use this before connecting to an MCP server to check its validation status and score. After using a server, call report_server to contribute reliability data.",
"inputSchema": {
"properties": {
"capability": {
"description": "Filter by tool name or keyword (searches name, description, tools)",
"type": "string"
},
"limit": {
"description": "Max results to return 1\u201320 (default 10)",
"type": "number"
},
"min_score": {
"description": "Minimum validation score 0\u2013100 (default 0)",
"type": "number"
},
"production_safe": {
"description": "Only return servers with uptime_7d > 97% and handshake_success_rate > 95%. Use when reliability matters.",
"type": "boolean"
},
"read_only": {
"description": "Only return servers with no write or exec tools \u2014 safe for read-only agent workflows.",
"type": "boolean"
},
"status": {
"description": "Filter by state. Default (omit): connectable states only (active + mcp_partial + auth_gated). Use \"stdio\" for local-install catalog. Use \"all\" for the full index.",
"enum": [
"active",
"mcp_partial",
"auth_gated",
"stdio",
"unreachable",
"invalid",
"zombie",
"all"
],
"type": "string"
},
"transport": {
"description": "Filter by transport type",
"enum": [
"http",
"sse",
"stdio",
"unknown"
],
"type": "string"
}
},
"type": "object"
},
"name": "query_registry"
},
{
"description": "Get full details for a specific MCP server. Pass the server name (e.g. \"GitHub\", \"Brave Search\"), registry ID slug, or endpoint URL. Returns score, state, tools list, latency, and recent test history.",
"inputSchema": {
"properties": {
"id": {
"description": "Server name, registry ID slug, or any identifier (e.g. \"github\", \"brave-search\", \"gateway-pipeworx-io-rpc-mcp\")",
"type": "string"
},
"url": {
"description": "The MCP server endpoint URL (e.g. \"https://mcp.example.com/mcp\")",
"type": "string"
}
},
"type": "object"
},
"name": "get_server"
},
{
"description": "Get ranked MCP server recommendations for a task. Returns servers scored by production safety, keyword relevance, registry score, latency, and freshness. Each result includes a reason code array explaining why it was ranked. Use this instead of query_registry when you want an opinionated ranked list rather than a filtered search.",
"inputSchema": {
"properties": {
"auth": {
"description": "Include servers that require authentication (default: true)",
"type": "boolean"
},
"limit": {
"description": "Max results 1\u201320 (default: 5)",
"type": "number"
},
"production_safe": {
"description": "Only return production-safe servers (uptime > 97%, handshake > 95%)",
"type": "boolean"
},
"q": {
"description": "Task or capability query \u2014 e.g. \"search the web\" or \"read files\"",
"type": "string"
},
"read_only": {
"description": "Only return servers with no write-classified tools",
"type": "boolean"
}
},
"type": "object"
},
"name": "recommend_server"
},
{
"description": "Submit an agent usage report for an MCP server. Reports are aggregated and influence registry trust scores. Call this after using an MCP server so the registry can track real-world reliability. Supports both a simple outcome report and a structured scoring report (criterion + component_score).",
"inputSchema": {
"properties": {
"agentId": {
"description": "Identifier for the reporting agent (optional)",
"type": "string"
},
"componentScore": {
"description": "Score 0\u2013100 for the specified criterion",
"type": "number"
},
"criterion": {
"description": "Specific reliability criterion being scored (enables structured component scoring)",
"enum": [
"output_reliability",
"side_effect_transparency",
"failure_handling",
"rate_limits",
"agent_feedback"
],
"type": "string"
},
"environment": {
"description": "Environment the server was used in",
"enum": [
"prod",
"staging",
"dev",
"unknown"
],
"type": "string"
},
"errors": {
"description": "Array of error strings encountered during tool use",
"items": {
"type": "string"
},
"type": "array"
},
"evidenceRef": {
"description": "Trace ID, log URL, or other reference supporting this report",
"type": "string"
},
"latencyMs": {
"description": "Total wall-clock latency in milliseconds",
"type": "number"
},
"outcome": {
"description": "Result of using the server",
"enum": [
"success",
"failure",
"partial"
],
"type": "string"
},
"serverUrl": {
"description": "The MCP server endpoint URL that was used",
"type": "string"
},
"severity": {
"description": "Severity of the worst issue encountered",
"enum": [
"info",
"warning",
"error",
"critical"
],
"type": "string"
},
"taskCategory": {
"description": "Category of task attempted (e.g. \"search\", \"write\", \"read\")",
"type": "string"
},
"taskDescription": {
"description": "Brief description of what the task was",
"type": "string"
},
"toolsUsed": {
"description": "List of tool names that were called",
"items": {
"type": "string"
},
"type": "array"
},
"turnsRequired": {
"description": "Number of turns to complete the task",
"type": "number"
}
},
"required": [
"serverUrl",
"outcome"
],
"type": "object"
},
"name": "report_server"
}
]
}
},
"bad_protocol_status_code": 200,
"delete_error": null,
"delete_status_code": null,
"expired_session_error": null,
"expired_session_status_code": null,
"issues": [
"missing_session_id",
"missing_protocol_header",
"bad_protocol_not_rejected"
],
"last_event_id_visible": false,
"protocol_header_present": false,
"requested_protocol_version": "2024-11-05",
"session_id_present": false,
"transport": "streamable-http"
},
"latency_ms": 83.65,
"status": "error"
},
"utility_coverage_probe": {
"details": {
"completions": {
"advertised": false,
"live_probe": "not_executed",
"sample_target": null
},
"initialize_capability_keys": [
"tools"
],
"pagination": {
"metadata_signal": false,
"next_cursor_methods": [],
"supported": false
},
"tasks": {
"advertised": false,
"http_status": 200,
"probe_status": "missing"
}
},
"latency_ms": 82.86,
"status": "missing"
}
},
"failures": {
"oauth_authorization_server": {
"reason": "no_authorization_server"
},
"oauth_protected_resource": {
"error": "Client error '404 Not Found' for url 'https://arclan.ai/.well-known/oauth-protected-resource'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404",
"url": "https://arclan.ai/.well-known/oauth-protected-resource"
},
"openid_configuration": {
"reason": "no_authorization_server"
},
"transport_compliance_probe": {
"bad_protocol_error": null,
"bad_protocol_headers": {
"content-type": "application/json; charset=utf-8",
"strict-transport-security": "max-age=31536000; includeSubDomains; preload"
},
"bad_protocol_payload": {
"id": 410,
"jsonrpc": "2.0",
"result": {
"tools": [
{
"description": "Search the Arclan registry for MCP servers. By default returns only connectable servers (active, mcp_partial, auth_gated). Use status=stdio to browse local-only servers available for installation. Use status=all to query the full index. Use production_safe=true to restrict to servers with uptime > 97% and handshake success > 95%. Use read_only=true to restrict to servers with no write or exec tools. Use this before connecting to an MCP server to check its validation status and score. After using a server, call report_server to contribute reliability data.",
"inputSchema": {
"properties": {
"capability": {
"description": "Filter by tool name or keyword (searches name, description, tools)",
"type": "string"
},
"limit": {
"description": "Max results to return 1\u201320 (default 10)",
"type": "number"
},
"min_score": {
"description": "Minimum validation score 0\u2013100 (default 0)",
"type": "number"
},
"production_safe": {
"description": "Only return servers with uptime_7d > 97% and handshake_success_rate > 95%. Use when reliability matters.",
"type": "boolean"
},
"read_only": {
"description": "Only return servers with no write or exec tools \u2014 safe for read-only agent workflows.",
"type": "boolean"
},
"status": {
"description": "Filter by state. Default (omit): connectable states only (active + mcp_partial + auth_gated). Use \"stdio\" for local-install catalog. Use \"all\" for the full index.",
"enum": [
"active",
"mcp_partial",
"auth_gated",
"stdio",
"unreachable",
"invalid",
"zombie",
"all"
],
"type": "string"
},
"transport": {
"description": "Filter by transport type",
"enum": [
"http",
"sse",
"stdio",
"unknown"
],
"type": "string"
}
},
"type": "object"
},
"name": "query_registry"
},
{
"description": "Get full details for a specific MCP server. Pass the server name (e.g. \"GitHub\", \"Brave Search\"), registry ID slug, or endpoint URL. Returns score, state, tools list, latency, and recent test history.",
"inputSchema": {
"properties": {
"id": {
"description": "Server name, registry ID slug, or any identifier (e.g. \"github\", \"brave-search\", \"gateway-pipeworx-io-rpc-mcp\")",
"type": "string"
},
"url": {
"description": "The MCP server endpoint URL (e.g. \"https://mcp.example.com/mcp\")",
"type": "string"
}
},
"type": "object"
},
"name": "get_server"
},
{
"description": "Get ranked MCP server recommendations for a task. Returns servers scored by production safety, keyword relevance, registry score, latency, and freshness. Each result includes a reason code array explaining why it was ranked. Use this instead of query_registry when you want an opinionated ranked list rather than a filtered search.",
"inputSchema": {
"properties": {
"auth": {
"description": "Include servers that require authentication (default: true)",
"type": "boolean"
},
"limit": {
"description": "Max results 1\u201320 (default: 5)",
"type": "number"
},
"production_safe": {
"description": "Only return production-safe servers (uptime > 97%, handshake > 95%)",
"type": "boolean"
},
"q": {
"description": "Task or capability query \u2014 e.g. \"search the web\" or \"read files\"",
"type": "string"
},
"read_only": {
"description": "Only return servers with no write-classified tools",
"type": "boolean"
}
},
"type": "object"
},
"name": "recommend_server"
},
{
"description": "Submit an agent usage report for an MCP server. Reports are aggregated and influence registry trust scores. Call this after using an MCP server so the registry can track real-world reliability. Supports both a simple outcome report and a structured scoring report (criterion + component_score).",
"inputSchema": {
"properties": {
"agentId": {
"description": "Identifier for the reporting agent (optional)",
"type": "string"
},
"componentScore": {
"description": "Score 0\u2013100 for the specified criterion",
"type": "number"
},
"criterion": {
"description": "Specific reliability criterion being scored (enables structured component scoring)",
"enum": [
"output_reliability",
"side_effect_transparency",
"failure_handling",
"rate_limits",
"agent_feedback"
],
"type": "string"
},
"environment": {
"description": "Environment the server was used in",
"enum": [
"prod",
"staging",
"dev",
"unknown"
],
"type": "string"
},
"errors": {
"description": "Array of error strings encountered during tool use",
"items": {
"type": "string"
},
"type": "array"
},
"evidenceRef": {
"description": "Trace ID, log URL, or other reference supporting this report",
"type": "string"
},
"latencyMs": {
"description": "Total wall-clock latency in milliseconds",
"type": "number"
},
"outcome": {
"description": "Result of using the server",
"enum": [
"success",
"failure",
"partial"
],
"type": "string"
},
"serverUrl": {
"description": "The MCP server endpoint URL that was used",
"type": "string"
},
"severity": {
"description": "Severity of the worst issue encountered",
"enum": [
"info",
"warning",
"error",
"critical"
],
"type": "string"
},
"taskCategory": {
"description": "Category of task attempted (e.g. \"search\", \"write\", \"read\")",
"type": "string"
},
"taskDescription": {
"description": "Brief description of what the task was",
"type": "string"
},
"toolsUsed": {
"description": "List of tool names that were called",
"items": {
"type": "string"
},
"type": "array"
},
"turnsRequired": {
"description": "Number of turns to complete the task",
"type": "number"
}
},
"required": [
"serverUrl",
"outcome"
],
"type": "object"
},
"name": "report_server"
}
]
}
},
"bad_protocol_status_code": 200,
"delete_error": null,
"delete_status_code": null,
"expired_session_error": null,
"expired_session_status_code": null,
"issues": [
"missing_session_id",
"missing_protocol_header",
"bad_protocol_not_rejected"
],
"last_event_id_visible": false,
"protocol_header_present": false,
"requested_protocol_version": "2024-11-05",
"session_id_present": false,
"transport": "streamable-http"
}
},
"remote_url": "https://arclan.ai/mcp",
"server_card_payload": {
"$schema": "https://static.modelcontextprotocol.io/schemas/server-card/draft/server-card.schema.json",
"capabilities": {
"tools": {}
},
"description": "Machine-evaluated registry of MCP servers. Every server is validated via live handshake, scored on reliability, and monitored continuously.",
"name": "ai.arclan/registry",
"packages": [
{
"registryType": "url",
"transport": {
"type": "http"
},
"url": "https://arclan.ai/mcp"
}
],
"remotes": [
{
"authentication": {
"type": "none"
},
"transportType": "http",
"url": "https://arclan.ai/mcp"
}
],
"supportedProtocolVersions": [
"2024-11-05",
"2025-03-26",
"2025-11-25"
],
"title": "Arclan MCP Registry",
"version": "0.1.0",
"websiteUrl": "https://arclan.ai"
},
"server_identifier": "ai.arclan/registry"
}
Known versions
0.1.0
Validation history
| Timestamp | Status | Score | Latency | Tools |
|---|---|---|---|---|
| Jul 31, 2026 05:34:02 AM UTC | Healthy | 69.1 | 1277.7 ms | 4 |
Validation timeline
| Validated | Summary | Score | Protocol | Auth mode | Tools | High-risk tools | Changes |
|---|---|---|---|---|---|---|---|
| Jul 31, 2026 05:34:02 AM UTC | Healthy | 69.1 | 2024-11-05 | public | 4 | 1 | none |
Recent validation runs
| Started | Status | Summary | Latency | Checks |
|---|---|---|---|---|
| Jul 31, 2026 05:34:01 AM UTC | Completed | Healthy | 1277.7 ms | action_safety_probe, advanced_capabilities_probe, connector_publishability_probe, connector_replay_probe, determinism_probe, initialize, interactive_flow_probe, oauth_authorization_server, oauth_protected_resource, official_registry_probe, openid_configuration, probe_noise_resilience, prompt_get, prompts_list, protocol_version_probe, provenance_divergence_probe, request_association_probe, resource_read, resources_list, server_card, session_resume_probe, step_up_auth_probe, tool_snapshot_probe, tools_list, transport_compliance_probe, utility_coverage_probe |