gacabartosz/mcp-zus
First public MCP server for Polish ZUS / PUE — KEDU 5.6, OK-WUD, EWD, ePUAP, browser companion. By Bartosz Gaca.
Executive verdict
Current trust snapshot
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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/routeAlert subscription types
Production readiness class
Evidence confidence
Recommended for
No recommendation profile is available yet.
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• Errortools_list• Errortransport_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• Errortools_list• Errortransport_compliance_probe• Error
Evidence provenance
action_safety_probe• OK
Evidence provenance
tool_snapshot_probe• Missingconnector_replay_probe• Missing
Why compatibility is limited by client
Remediation checklist
- No explicit blockers recorded.
Remediation checklist
- No explicit blockers recorded.
Remediation checklist
- No explicit blockers recorded.
Verdict traces
server_failing• critical • Latest validation is failing
Client verdict trace table
| Verdict | Status | Checks | Winning source | Conflicts |
|---|---|---|---|---|
openai_connectors |
Not client-compatible | initialize, tools_list, transport_compliance_probe, step_up_auth_probe, connector_replay_probe, request_association_probe | live_validation | none |
claude_desktop |
Not client-compatible | initialize, tools_list, transport_compliance_probe | live_validation | none |
unsafe_for_write_actions |
Publishing allowed | 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: No
- 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: No
- 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: Likely to fail
- auth_connect: Likely to fail
- safe_write_review: Passes
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 |
|---|---|---|
| May 13, 2026 05:36:37 PM UTC | Latest validation: failing | Score 49.2 with status failing. |
| May 13, 2026 05:36:37 PM UTC | Score changed | Score delta +1.4 versus the previous run. |
| May 13, 2026 09:33:43 AM UTC | Score changed | Score delta +0.4 versus the previous run. |
| May 13, 2026 01:33:22 AM UTC | Score changed | Score delta +0.2 versus the previous run. |
Capabilities
- OAuth:
- DCR/CIMD:
- Prompts:
- Homepage: https://github.com/gacabartosz/mcp-zus
- Docs: https://github.com/gacabartosz/mcp-zus
- Support: https://github.com/gacabartosz/mcp-zus
- Icon: https://avatars.githubusercontent.com/u/89811211?v=4
- Remote endpoint: https://github.com/gacabartosz/mcp-zus
- Server card: none
Security posture
Tool capability & risk inventory
No tool inventory available from the latest validation run.
Write-action governance
Status detail: No unsafe write-action governance gaps detected on the latest validation.
| Tool | Risk | Flags | Safeguards |
|---|---|---|---|
| No high-risk tools were detected on the latest run. | |||
Action-controls diff
Need at least two validation runs before diffing action controls.
Why this score?
Algorithmic score breakdown
Compatibility profiles
Connector URL: https://github.com/gacabartosz/mcp-zus # No OAuth metadata detected. # Server: github-gacabartosz/mcp-zus
{
"mcpServers": {
"mcp-zus": {
"command": "npx",
"args": ["mcp-remote", "https://github.com/gacabartosz/mcp-zus"]
}
}
}
smithery mcp add "https://github.com/gacabartosz/mcp-zus"
curl -sS https://github.com/gacabartosz/mcp-zus -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 |
|---|---|---|---|
| Critical | Ensure tools/list succeeds consistently | Tools discovery is the minimum viable contract for most MCP clients and directories. | Make tools/list succeed unauthenticated when possible, or document the auth flow in the server card.Playbook
|
| Critical | Make initialize deterministic and client-friendly | If initialize fails or requires undocumented auth, many MCP clients cannot connect. | Allow initialize to succeed consistently, or return a deterministic auth-required response with clear metadata.Playbook
|
| Critical | Respond to latest validation is failing | Core MCP flows did not validate successfully on the latest run. | Fix the failing checks first, then revalidate to confirm the recovery path.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 | Publish a complete server card | Missing or incomplete server-card metadata weakens discovery, documentation, and trust signals. | Serve /.well-known/mcp/server-card.json and include tools, prompts/resources, homepage, and support links.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 | Raise Adoption & Market score | Adoption clues and public evidence that the server is intended for external use. | Increase external documentation and directory coverage so users can discover and evaluate the server.Playbook
|
| Medium | Raise Interface Quality score | How well the tool/resource interface communicates and behaves under automation. | Improve schemas, error contracts, and recovery messages so agents can reason about the surface automatically.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
|
| Low | Publish or reconcile the server in the official MCP registry | Official registry presence improves discovery confidence and cross-source consistency. | 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 |
| Tool Surface Design | 0/4 | -4.0 |
| Tool Snapshot Churn | 0/4 | -4.0 |
| Tool Namespace Clarity | 0/4 | -4.0 |
| Tool Capability Clarity | 0/4 | -4.0 |
| Session Semantics | 0/4 | -4.0 |
| Schema Completeness | 0/4 | -4.0 |
| Result Shape Stability | 0/4 | -4.0 |
| OAUTH Interop | 0/4 | -4.0 |
| Input Sanitization Safety | 0/4 | -4.0 |
| Auth Operability | 0/4 | -4.0 |
| Recovery Semantics | 0.5/4 | -3.5 |
Validation diff
Regressed checks: none
Improved checks: none
| Component | Previous | Latest | Delta |
|---|---|---|---|
installability_score | 2.0 | 3.93 | 1.93 |
freshness_confidence_score | 2.5 | 3.0 | 0.5 |
maintenance_signal_score | 2.75 | 2.95 | 0.2 |
trust_confidence_score | 0.5 | 0.6 | 0.1 |
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_protocol_header, bad_protocol_not_rejected
Request association
Utility coverage
Benchmark tasks
| Benchmark task | Status | Evidence |
|---|---|---|
| Discover tools | Likely to fail |
|
| Read-only fetch flow | Likely to fail |
|
| OAuth-required connect | Degraded |
|
| Safe write flow with confirmation | Passes |
|
Registry & provenance divergence
| Field | Registry | Live server card |
|---|---|---|
| Title | n/a | n/a |
| Version | n/a | n/a |
| Homepage | n/a | n/a |
Active alerts
- Latest validation is failing (critical)
Core MCP flows did not validate successfully on the latest run.
Aliases & registry graph
| Identifier | Source | Canonical | Score |
|---|---|---|---|
github-gacabartosz/mcp-zus |
github_topic_registry | yes | 49.2 |
Alias consolidation
Source disagreements
| Field | What differs | Observed values |
|---|---|---|
| No source disagreements detected. | ||
Install snippets
Connector URL: https://github.com/gacabartosz/mcp-zus # No OAuth metadata detected. # Server: github-gacabartosz/mcp-zus
{
"mcpServers": {
"mcp-zus": {
"command": "npx",
"args": ["mcp-remote", "https://github.com/gacabartosz/mcp-zus"]
}
}
}
smithery mcp add "https://github.com/gacabartosz/mcp-zus"
curl -sS https://github.com/gacabartosz/mcp-zus -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.github-gacabartosz/mcp-zus.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
initializeClient error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422oauth_authorization_serverno authorization serveroauth_protected_resourceClient error '404 Not Found' for url 'https://github.com/.well-known/oauth-protected-resource' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404openid_configurationno authorization serverserver_cardClient error '404 Not Found' for url 'https://github.com/.well-known/mcp/server-card.json' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404tools_listClient error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422transport_compliance_probeIssues: missing protocol header, bad protocol not rejected (bad protocol=422).
Checks
| Check | Status | Latency | Evidence |
|---|---|---|---|
action_safety_probe |
OK | n/a | No high-risk write, destructive, or exec tools detected. |
advanced_capabilities_probe |
Missing | n/a | No advanced MCP capability signals detected. |
connector_publishability_probe |
Error | n/a | Publishability blockers: initialize, tools list, protocol version, transport compliance, +3 more. |
connector_replay_probe |
Missing | n/a | No connector replay evidence recorded. |
determinism_probe |
Missing | n/a | tools list unavailable |
initialize |
Error | 41.6 ms | Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422 |
interactive_flow_probe |
Missing | n/a | Check completed |
oauth_authorization_server |
Missing | n/a | no authorization server |
oauth_protected_resource |
Error | 29.8 ms | Client error '404 Not Found' for url 'https://github.com/.well-known/oauth-protected-resource' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404 |
official_registry_probe |
Warning | n/a | Check completed |
openid_configuration |
Missing | n/a | no authorization server |
probe_noise_resilience |
OK | 220.1 ms | Fetched https://github.com/robots.txt |
prompt_get |
Missing | n/a | not advertised |
prompts_list |
Missing | 30.8 ms | Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422 |
protocol_version_probe |
Missing | n/a | No protocol version was advertised. |
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 | 26.3 ms | Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422 |
server_card |
Error | 52.2 ms | Client error '404 Not Found' for url 'https://github.com/.well-known/mcp/server-card.json' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404 |
session_resume_probe |
Missing | 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 tools |
tools_list |
Error | 38.5 ms | Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus' For more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422 |
transport_compliance_probe |
Error | 27.9 ms | Issues: missing protocol header, bad protocol not rejected (bad protocol=422). |
utility_coverage_probe |
Missing | 23.6 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": 0,
"summary": {
"bulk_access_tools": 0,
"capability_distribution": {},
"destructive_tools": 0,
"egress_tools": 0,
"exec_tools": 0,
"high_risk_tools": 0,
"risk_distribution": {
"critical": 0,
"high": 0,
"low": 0,
"medium": 0
},
"secret_tools": 0,
"tool_count": 0
}
},
"latency_ms": null,
"status": "ok"
},
"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": []
},
"latency_ms": null,
"status": "missing"
},
"connector_publishability_probe": {
"details": {
"blockers": [
"initialize",
"tools_list",
"protocol_version",
"transport_compliance",
"server_card",
"tool_surface",
"auth_flow"
],
"criteria": {
"action_safety": true,
"auth_flow": false,
"connector_replay": true,
"initialize": false,
"protocol_version": false,
"remote_transport": true,
"request_association": true,
"server_card": false,
"session_resume": true,
"step_up_auth": true,
"tool_surface": false,
"tools_list": false,
"transport_compliance": false
},
"high_risk_tools": 0,
"tool_count": 0,
"transport": "streamable-http"
},
"latency_ms": null,
"status": "error"
},
"connector_replay_probe": {
"details": {
"reason": "no_tools"
},
"latency_ms": null,
"status": "missing"
},
"determinism_probe": {
"details": {
"reason": "tools_list_unavailable"
},
"latency_ms": null,
"status": "missing"
},
"initialize": {
"details": {
"error": "Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422",
"headers": {
"content-type": "text/html; charset=utf-8",
"set-cookie": "_gh_sess=92RQTIrayE43bBLNWhzjvl%2Fda2dDy3z%2FV3i06KiJxPC7XbaWdlxkF2hlBaeKaRXipnUNSymxad%2F3HYdi05CDXgcsCeq2jlf8nYedPteJERNm4V492YtMUAFQp7M9XY3fTpgDHZbiOOkSnLHBjNvklR2i0zv6gdm87eRqzVcgAmg8dYJhFfNw3xEjvat4e8LCN200lAriwR81yVDu9Ae2a0BvR4ynQReu%2Byv2is6oMYCqGsTJ%2FwCIvwyfGK5MF0PDc4OkDDJjNu279MgmS2TPiwur37W9bCjC60ZRFL8hf9WQXLD%2F--aCTkfjvjjC2Lfnj2--llxq9k%2B5lGj4%2B2VVrSR3Dg%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
"strict-transport-security": "max-age=31536000; includeSubdomains; preload"
},
"http_status": 422,
"payload": {},
"url": "https://github.com/gacabartosz/mcp-zus"
},
"latency_ms": 41.6,
"status": "error"
},
"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://github.com/.well-known/oauth-protected-resource'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404",
"url": "https://github.com/.well-known/oauth-protected-resource"
},
"latency_ms": 29.75,
"status": "error"
},
"official_registry_probe": {
"details": {
"direct_match": false,
"official_identifiers": [
"io.github.YuzuKyouma/ponzu",
"io.github.M-China-Official/mcd-mcp",
"eu.ansvar/peruvian-law-mcp",
"io.github.olgasafonova/miro-mcp-server",
"io.getunleash/unleash-mcp",
"com.gitkraken/gk-cli",
"io.github.bajoski34/mcp-flutterwave",
"ai.smithery/arjunkmrm-ts-test-2",
"io.github.levelsofself/self-awareness-game",
"io.github.kirbah/mcp-youtube"
],
"official_peer_count": 10,
"registry_source": "github_topic_registry"
},
"latency_ms": null,
"status": "warning"
},
"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://github.com/robots.txt"
},
"latency_ms": 220.11,
"status": "ok"
},
"prompt_get": {
"details": {
"reason": "not_advertised"
},
"latency_ms": null,
"status": "missing"
},
"prompts_list": {
"details": {
"error": "Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422",
"headers": {
"content-type": "text/html; charset=utf-8",
"set-cookie": "_gh_sess=qMsUAz19tnCFL2%2Bkz%2FyMQqLXvpo2CDdKhpUla7yksHSqT20Pac%2F3tvG7nAAniS8gnLz0UF1y7ipuHOztms98fPytLx%2B1zdNJw7YxZ0gdVGtnQ7YTGvelHTImwTF8GBWWFsGLcqqxuDb664Xay3sSMV3dMfiSyye7yIBgAb1fcKXVDwua%2BxHJlb3z64vkleaRTfk4uL82t83gAxj%2Fb9p5IWJ2W74tM%2Fvc5LUDJxxGPALWtlJNr%2FFk0TJ%2FXniZrJY7Lb9slOMiBxcCELaqllSmJtfe0k0sa2zDolzYfUKl265hj%2FYq--c7osD2IMw8BGsQEQ--jXsB20S76lyd05ngPMkvVg%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
"strict-transport-security": "max-age=31536000; includeSubdomains; preload"
},
"http_status": 422,
"payload": {},
"reason": "not_advertised",
"url": "https://github.com/gacabartosz/mcp-zus"
},
"latency_ms": 30.75,
"status": "missing"
},
"protocol_version_probe": {
"details": {
"latest_known_version": "2025-11-25",
"reason": "no_protocol_version",
"validator_protocol_version": "2025-03-26"
},
"latency_ms": null,
"status": "missing"
},
"provenance_divergence_probe": {
"details": {
"direct_official_match": false,
"drift_fields": [],
"metadata_document_count": 1,
"registry_homepage": null,
"registry_repository": null,
"registry_title": null,
"registry_version": null,
"server_card_homepage": null,
"server_card_repository": null,
"server_card_title": null,
"server_card_version": null
},
"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": {
"error": "Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422",
"headers": {
"content-type": "text/html; charset=utf-8",
"set-cookie": "_gh_sess=V1c6LtZwQEcCTOmo%2Fe72KMjNkUkNm6lUCA%2F7RbCo9R1Zmsu6Kr%2BgfxPdr0L%2FA%2Fna8LPRd2s2C38AyqvB1zaON6H8KaFrtfFC16Tb5KR2vwmnV3K85LaQTtcYEq92gSchNbeIrt1mc58pU%2BCMP%2FNiSHKEM7JuPvPtjlAhifFSkr3zHAjNGbRl67%2Fg%2BVpq%2BIMJ8jGBBxkuvoj37MW74D1KU%2FzO%2BuqHVDGMPDVW8o1D9MKeHrZ6bNgq8ubakH9pf5%2BQBmKDIzqdHwPyhXGQi3d9a2VoNx%2BjX%2BZJx7k3jtk4SDmAJc3Z--c6lvfOqPcwuGfKhT--Mmyl1vzvY%2F7NOOcoEngWTw%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
"strict-transport-security": "max-age=31536000; includeSubdomains; preload"
},
"http_status": 422,
"payload": {},
"reason": "not_advertised",
"url": "https://github.com/gacabartosz/mcp-zus"
},
"latency_ms": 26.34,
"status": "missing"
},
"server_card": {
"details": {
"error": "Client error '404 Not Found' for url 'https://github.com/.well-known/mcp/server-card.json'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404",
"url": "https://github.com/.well-known/mcp/server-card.json"
},
"latency_ms": 52.2,
"status": "error"
},
"session_resume_probe": {
"details": {
"protocol_version": null,
"reason": "no_session_id",
"resume_expected": false,
"transport": "streamable-http"
},
"latency_ms": null,
"status": "missing"
},
"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": {
"reason": "no_tools"
},
"latency_ms": null,
"status": "missing"
},
"tools_list": {
"details": {
"error": "Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422",
"headers": {
"content-type": "text/html; charset=utf-8",
"set-cookie": "_gh_sess=7G6W4urUds7nwaA6G%2BoNeHj9n1IQvJ1PzXcd99vxZnefjkRSRRzlYenSV0TBQVOIKXo5QNLeuS7QnL0oo5AQSVxPZWW%2BEh9EWcmJLC10LjPzgGPpf9evaaPBfkRJ1QYU3lkF8eJx4rUqx29%2BvBJFPLJLk0FOu0LF3y9lXZ2QgClREnx2I6zBFSIE57oRL70fn2ufdV6bLTqFub0ySOGGAVUW31f9vT6FkhKAqcj5lBg1tJPhvv9uHH5ryNN%2Bdomt943mAhY9GVBnKn00zqBK0f%2FOo2A6nn2HkMN3pyoNG3cgdlze--%2BtvAGaOJG8FVuNFh--ONAInha6Xl1pI%2BUVblOz%2FA%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
"strict-transport-security": "max-age=31536000; includeSubdomains; preload"
},
"http_status": 422,
"payload": {},
"url": "https://github.com/gacabartosz/mcp-zus"
},
"latency_ms": 38.51,
"status": "error"
},
"transport_compliance_probe": {
"details": {
"bad_protocol_error": null,
"bad_protocol_headers": {
"content-type": "text/html; charset=utf-8",
"set-cookie": "_gh_sess=eq%2F2RZHP1D7ry9%2BupxsADMZEF1PWTPc0dBHk6JIv8QoNNzt0Kv%2FLmf3oSYe5yfxxxUk0nOeVPtq1VgHoX3wFFCSjSpY%2BE7%2FpXEn3H23iERenBhrWFrvkbtbBxZ8m66W7ba1AgYOCFVRtP%2Bd7SW39hHo7UOIntpaou%2B1l%2BmseFBjar6%2F8pXum8oeSLgYaSeYMKjhTQt5ffb4UOt28cue5lknAiQg%2FGdp%2FAjVLXhe5AkVzStyqtZRl1Ht8TfM3EECA58eJ99m%2Fm86rMs%2FkxPwmClHjJc%2BSz1oyxrJdU6rU9wTXg5Sk--kuEGdGSVwtJlw8pw--VVSs88DyWWxyT3H%2FuQovuQ%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
"strict-transport-security": "max-age=31536000; includeSubdomains; preload"
},
"bad_protocol_payload": {},
"bad_protocol_status_code": 422,
"delete_error": null,
"delete_status_code": null,
"expired_session_error": null,
"expired_session_status_code": null,
"issues": [
"missing_protocol_header",
"bad_protocol_not_rejected"
],
"last_event_id_visible": false,
"protocol_header_present": false,
"requested_protocol_version": "2025-03-26",
"session_id_present": false,
"transport": "streamable-http"
},
"latency_ms": 27.95,
"status": "error"
},
"utility_coverage_probe": {
"details": {
"completions": {
"advertised": false,
"live_probe": "not_executed",
"sample_target": null
},
"initialize_capability_keys": [],
"pagination": {
"metadata_signal": false,
"next_cursor_methods": [],
"supported": false
},
"tasks": {
"advertised": false,
"http_status": 422,
"probe_status": "missing"
}
},
"latency_ms": 23.56,
"status": "missing"
}
},
"failures": {
"initialize": {
"error": "Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422",
"headers": {
"content-type": "text/html; charset=utf-8",
"set-cookie": "_gh_sess=92RQTIrayE43bBLNWhzjvl%2Fda2dDy3z%2FV3i06KiJxPC7XbaWdlxkF2hlBaeKaRXipnUNSymxad%2F3HYdi05CDXgcsCeq2jlf8nYedPteJERNm4V492YtMUAFQp7M9XY3fTpgDHZbiOOkSnLHBjNvklR2i0zv6gdm87eRqzVcgAmg8dYJhFfNw3xEjvat4e8LCN200lAriwR81yVDu9Ae2a0BvR4ynQReu%2Byv2is6oMYCqGsTJ%2FwCIvwyfGK5MF0PDc4OkDDJjNu279MgmS2TPiwur37W9bCjC60ZRFL8hf9WQXLD%2F--aCTkfjvjjC2Lfnj2--llxq9k%2B5lGj4%2B2VVrSR3Dg%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
"strict-transport-security": "max-age=31536000; includeSubdomains; preload"
},
"http_status": 422,
"payload": {},
"url": "https://github.com/gacabartosz/mcp-zus"
},
"oauth_authorization_server": {
"reason": "no_authorization_server"
},
"oauth_protected_resource": {
"error": "Client error '404 Not Found' for url 'https://github.com/.well-known/oauth-protected-resource'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404",
"url": "https://github.com/.well-known/oauth-protected-resource"
},
"openid_configuration": {
"reason": "no_authorization_server"
},
"server_card": {
"error": "Client error '404 Not Found' for url 'https://github.com/.well-known/mcp/server-card.json'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404",
"url": "https://github.com/.well-known/mcp/server-card.json"
},
"tools_list": {
"error": "Client error '422 Unprocessable Entity' for url 'https://github.com/gacabartosz/mcp-zus'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/422",
"headers": {
"content-type": "text/html; charset=utf-8",
"set-cookie": "_gh_sess=7G6W4urUds7nwaA6G%2BoNeHj9n1IQvJ1PzXcd99vxZnefjkRSRRzlYenSV0TBQVOIKXo5QNLeuS7QnL0oo5AQSVxPZWW%2BEh9EWcmJLC10LjPzgGPpf9evaaPBfkRJ1QYU3lkF8eJx4rUqx29%2BvBJFPLJLk0FOu0LF3y9lXZ2QgClREnx2I6zBFSIE57oRL70fn2ufdV6bLTqFub0ySOGGAVUW31f9vT6FkhKAqcj5lBg1tJPhvv9uHH5ryNN%2Bdomt943mAhY9GVBnKn00zqBK0f%2FOo2A6nn2HkMN3pyoNG3cgdlze--%2BtvAGaOJG8FVuNFh--ONAInha6Xl1pI%2BUVblOz%2FA%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
"strict-transport-security": "max-age=31536000; includeSubdomains; preload"
},
"http_status": 422,
"payload": {},
"url": "https://github.com/gacabartosz/mcp-zus"
},
"transport_compliance_probe": {
"bad_protocol_error": null,
"bad_protocol_headers": {
"content-type": "text/html; charset=utf-8",
"set-cookie": "_gh_sess=eq%2F2RZHP1D7ry9%2BupxsADMZEF1PWTPc0dBHk6JIv8QoNNzt0Kv%2FLmf3oSYe5yfxxxUk0nOeVPtq1VgHoX3wFFCSjSpY%2BE7%2FpXEn3H23iERenBhrWFrvkbtbBxZ8m66W7ba1AgYOCFVRtP%2Bd7SW39hHo7UOIntpaou%2B1l%2BmseFBjar6%2F8pXum8oeSLgYaSeYMKjhTQt5ffb4UOt28cue5lknAiQg%2FGdp%2FAjVLXhe5AkVzStyqtZRl1Ht8TfM3EECA58eJ99m%2Fm86rMs%2FkxPwmClHjJc%2BSz1oyxrJdU6rU9wTXg5Sk--kuEGdGSVwtJlw8pw--VVSs88DyWWxyT3H%2FuQovuQ%3D%3D; path=/; secure; HttpOnly; SameSite=Lax",
"strict-transport-security": "max-age=31536000; includeSubdomains; preload"
},
"bad_protocol_payload": {},
"bad_protocol_status_code": 422,
"delete_error": null,
"delete_status_code": null,
"expired_session_error": null,
"expired_session_status_code": null,
"issues": [
"missing_protocol_header",
"bad_protocol_not_rejected"
],
"last_event_id_visible": false,
"protocol_header_present": false,
"requested_protocol_version": "2025-03-26",
"session_id_present": false,
"transport": "streamable-http"
}
},
"remote_url": "https://github.com/gacabartosz/mcp-zus",
"server_card_payload": null,
"server_identifier": "github-gacabartosz/mcp-zus"
}
Known versions
- No versions recorded.
Validation history
| Timestamp | Status | Score | Latency | Tools |
|---|---|---|---|---|
| May 13, 2026 05:36:37 PM UTC | Failing | 49.2 | 502.0 ms | 0 |
| May 13, 2026 09:33:43 AM UTC | Failing | 47.8 | 267.0 ms | 0 |
| May 13, 2026 01:33:22 AM UTC | Failing | 47.4 | 261.8 ms | 0 |
| May 12, 2026 05:32:30 PM UTC | Failing | 47.2 | 382.2 ms | 0 |
| May 12, 2026 09:31:08 AM UTC | Failing | 47.0 | 365.6 ms | 0 |
| May 12, 2026 01:30:20 AM UTC | Failing | 44.6 | 487.7 ms | 0 |
Validation timeline
| Validated | Summary | Score | Protocol | Auth mode | Tools | High-risk tools | Changes |
|---|---|---|---|---|---|---|---|
| May 13, 2026 05:36:37 PM UTC | Failing | 49.2 | unknown | unknown | 0 | 0 | none |
| May 13, 2026 09:33:43 AM UTC | Failing | 47.8 | unknown | unknown | 0 | 0 | none |
| May 13, 2026 01:33:22 AM UTC | Failing | 47.4 | unknown | unknown | 0 | 0 | none |
| May 12, 2026 05:32:30 PM UTC | Failing | 47.2 | unknown | unknown | 0 | 0 | none |
| May 12, 2026 09:31:08 AM UTC | Failing | 47.0 | unknown | unknown | 0 | 0 | none |
| May 12, 2026 01:30:20 AM UTC | Failing | 44.6 | unknown | unknown | 0 | 0 | none |
Recent validation runs
| Started | Status | Summary | Latency | Checks |
|---|---|---|---|---|
| May 13, 2026 05:36:37 PM UTC | Completed | Failing | 502.0 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 |
| May 13, 2026 09:33:43 AM UTC | Completed | Failing | 267.0 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 |
| May 13, 2026 01:33:22 AM UTC | Completed | Failing | 261.8 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 |
| May 12, 2026 05:32:30 PM UTC | Completed | Failing | 382.2 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 |
| May 12, 2026 09:31:08 AM UTC | Completed | Failing | 365.6 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 |
| May 12, 2026 01:30:20 AM UTC | Completed | Failing | 487.7 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 |