io.github.Bluecraft-AI/cold-email

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                "text": "MachFive MCP Server \u2014 AI Cold Email Generator\nGenerate personalized cold email sequences from lead data. MachFive uses AI to research prospects and craft unique, relevant outreach \u2014 not templates.\n\nTOOLS:\n  1. list_campaigns    \u2014 List campaigns (call FIRST \u2014 every generate request needs a campaign ID)\n  2. generate_sequence \u2014 Generate emails for one lead (synchronous, 3-10 min)\n  3. generate_batch    \u2014 Submit multiple leads (async, returns immediately with list_id)\n  4. list_lists        \u2014 Browse lead lists and batch jobs\n  5. get_list_status   \u2014 Poll batch status until completed or failed\n  6. export_list       \u2014 Download results as JSON or CSV\n\nSINGLE LEAD FLOW:\n  list_campaigns \u2192 generate_sequence (wait 3-10 min) \u2192 done\n  Recovery: if timeout, use list_id with get_list_status + export_list\n\nBATCH FLOW:\n  list_campaigns \u2192 generate_batch \u2192 poll get_list_status every 15-30s \u2192 export_list when completed\n\nERRORS:\n  400 = Invalid request or missing email\n  401 = Invalid or missing API key\n  402 = Out of credits\n  403 = Campaign not in your workspace\n  404 = Campaign or list not found\n  409 = Export called before list completed (poll first)\n  429 = Too many concurrent batch jobs (retry later)\n\nAuthentication: Each user provides their own MachFive API key.\nGet yours at https://app.machfive.io \u2192 Settings \u2192 API Keys",
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                  "title": "List Campaigns"
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                "description": "List campaigns in the user's MachFive workspace.\n\nCALL THIS FIRST before generate_sequence or generate_batch \u2014 you need a\ncampaign ID to generate emails. If the user hasn't specified a campaign,\ncall this and ask them to pick one.\n\nReturns JSON array of campaigns with id, name, and created_at.\nUse the 'id' field as campaign_id in generate calls.",
                "inputSchema": {
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                    "query": {
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                "title": "List Campaigns"
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                "annotations": {
                  "destructiveHint": false,
                  "idempotentHint": false,
                  "openWorldHint": true,
                  "readOnlyHint": false,
                  "title": "Generate Email Sequence"
                },
                "description": "Generate a personalized cold email sequence for ONE lead.\n\nThis is SYNCHRONOUS \u2014 the request takes 3-10 minutes because MachFive\nresearches the prospect and crafts unique emails. Do NOT retry if it\nseems slow; wait for the response.\n\nYou must have a campaign_id first. Call list_campaigns if you don't have one.\nIf the request times out, use the returned list_id with get_list_status\nand export_list to recover results.",
                "inputSchema": {
                  "properties": {
                    "approved_ctas": {
                      "default": "",
                      "description": "Comma-separated CTAs, e.g. 'Direct Meeting CTA, Lead Magnet CTA'. Omit to use campaign defaults.",
                      "type": "string"
                    },
                    "campaign_angle": {
                      "default": "",
                      "description": "Additional context/angle for personalization.",
                      "type": "string"
                    },
                    "campaign_id": {
                      "description": "Campaign UUID from list_campaigns.",
                      "type": "string"
                    },
                    "company": {
                      "default": "",
                      "description": "Lead's company name (improves personalization).",
                      "type": "string"
                    },
                    "company_website": {
                      "default": "",
                      "description": "Company URL for AI research.",
                      "type": "string"
                    },
                    "email": {
                      "description": "Lead's email address (REQUIRED).",
                      "type": "string"
                    },
                    "email_count": {
                      "default": 3,
                      "description": "Number of emails in sequence, 1-5.",
                      "type": "integer"
                    },
                    "email_signature": {
                      "default": "",
                      "description": "Signature appended to each email.",
                      "type": "string"
                    },
                    "linkedin_url": {
                      "default": "",
                      "description": "LinkedIn profile URL for deeper personalization.",
                      "type": "string"
                    },
                    "list_name": {
                      "default": "",
                      "description": "Display name for this list in MachFive UI.",
                      "type": "string"
                    },
                    "name": {
                      "default": "",
                      "description": "Lead's full name (improves personalization).",
                      "type": "string"
                    },
                    "title": {
                      "default": "",
                      "description": "Lead's job title (improves personalization).",
                      "type": "string"
                    }
                  },
                  "required": [
                    "campaign_id",
                    "email"
                  ],
                  "type": "object"
                },
                "name": "generate_sequence",
                "outputSchema": {
                  "description": "Generic wrapper for non-object return types.",
                  "properties": {
                    "result": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "result"
                  ],
                  "type": "object",
                  "x-fastmcp-wrap-result": true
                },
                "title": "Generate Email Sequence"
              },
              {
                "_meta": {
                  "_fastmcp": {
                    "tags": []
                  }
                },
                "annotations": {
                  "destructiveHint": false,
                  "idempotentHint": false,
                  "openWorldHint": true,
                  "readOnlyHint": false,
                  "title": "Generate Batch"
                },
                "description": "Submit multiple leads for batch email sequence generation (ASYNC).\n\nReturns IMMEDIATELY with a list_id. Processing runs in the background.\nAfter calling this, poll get_list_status every 15-30 seconds until\nprocessing_status is 'completed' or 'failed', then call export_list.\n\nYou must have a campaign_id first. Call list_campaigns if you don't have one.",
                "inputSchema": {
                  "properties": {
                    "approved_ctas": {
                      "default": "",
                      "description": "Comma-separated CTAs. Omit to use campaign defaults.",
                      "type": "string"
                    },
                    "campaign_angle": {
                      "default": "",
                      "description": "Additional context/angle for personalization.",
                      "type": "string"
                    },
                    "campaign_id": {
                      "description": "Campaign UUID from list_campaigns.",
                      "type": "string"
                    },
                    "email_count": {
                      "default": 3,
                      "description": "Number of emails per lead, 1-5.",
                      "type": "integer"
                    },
                    "email_signature": {
                      "default": "",
                      "description": "Signature appended to each email.",
                      "type": "string"
                    },
                    "leads_json": {
                      "description": "JSON array of lead objects. Each MUST have \"email\". Optional: name, title, company, company_website, linkedin_url. Example: '[{\"email\":\"jane@acme.com\",\"name\":\"Jane Doe\"}]'",
                      "type": "string"
                    },
                    "list_name": {
                      "default": "",
                      "description": "Display name for this batch in MachFive UI.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "campaign_id",
                    "leads_json"
                  ],
                  "type": "object"
                },
                "name": "generate_batch",
                "outputSchema": {
                  "description": "Generic wrapper for non-object return types.",
                  "properties": {
                    "result": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "result"
                  ],
                  "type": "object",
                  "x-fastmcp-wrap-result": true
                },
                "title": "Generate Batch"
              },
              {
                "_meta": {
                  "_fastmcp": {
                    "tags": []
                  }
                },
                "annotations": {
                  "destructiveHint": false,
                  "idempotentHint": true,
                  "openWorldHint": true,
                  "readOnlyHint": true,
                  "title": "List Lead Lists"
                },
                "description": "List lead lists (batch jobs) in the user's MachFive workspace.\n\nUseful for browsing past batches, checking what's in progress, or finding\na list_id to export. Results are ordered newest first.",
                "inputSchema": {
                  "properties": {
                    "campaign_id": {
                      "default": "",
                      "description": "Filter by campaign UUID.",
                      "type": "string"
                    },
                    "limit": {
                      "default": 20,
                      "description": "Max results to return, 1-100.",
                      "type": "integer"
                    },
                    "offset": {
                      "default": 0,
                      "description": "Pagination offset.",
                      "type": "integer"
                    },
                    "status": {
                      "default": "",
                      "description": "Filter by processing status: 'pending', 'processing', 'completed', or 'failed'.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "name": "list_lists",
                "outputSchema": {
                  "description": "Generic wrapper for non-object return types.",
                  "properties": {
                    "result": {
                      "type": "string"
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                  },
                  "required": [
                    "result"
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                  "type": "object",
                  "x-fastmcp-wrap-result": true
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                "title": "List Lead Lists"
              },
              {
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                },
                "annotations": {
                  "destructiveHint": false,
                  "idempotentHint": true,
                  "openWorldHint": true,
                  "readOnlyHint": true,
                  "title": "Get List Status"
                },
                "description": "Check the processing status of a lead list.\n\nUse this to POLL after calling generate_batch. Call every 15-30 seconds\nuntil processing_status is 'completed' or 'failed'.\nWhen completed, call export_list. When failed, submit a new batch.",
                "inputSchema": {
                  "properties": {
                    "list_id": {
                      "description": "List UUID from generate_batch or generate_sequence response.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "list_id"
                  ],
                  "type": "object"
                },
                "name": "get_list_status",
                "outputSchema": {
                  "description": "Generic wrapper for non-object return types.",
                  "properties": {
                    "result": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "result"
                  ],
                  "type": "object",
                  "x-fastmcp-wrap-result": true
                },
                "title": "Get List Status"
              },
              {
                "_meta": {
                  "_fastmcp": {
                    "tags": []
                  }
                },
                "annotations": {
                  "destructiveHint": false,
                  "idempotentHint": true,
                  "openWorldHint": true,
                  "readOnlyHint": true,
                  "title": "Export List"
                },
                "description": "Download the generated email sequences for a COMPLETED list.\n\nOnly call this AFTER get_list_status shows processing_status = 'completed'.\nIf the list is not yet completed, you'll get a 409 error \u2014 poll first.",
                "inputSchema": {
                  "properties": {
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                  "required": [
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                  "type": "object",
                  "x-fastmcp-wrap-result": true
                },
                "title": "Export List"
              }
            ]
          }
        },
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      },
      "latency_ms": 142.94,
      "status": "ok"
    },
    "transport_compliance_probe": {
      "details": {
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        "bad_protocol_headers": {
          "content-type": "application/json"
        },
        "bad_protocol_payload": {
          "error": {
            "code": -32600,
            "message": "Bad Request: Unsupported protocol version: 1999-99-99. Supported versions: 2024-11-05, 2025-03-26, 2025-06-18, 2025-11-25"
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        "delete_error": null,
        "delete_status_code": null,
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        "expired_session_status_code": null,
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      "status": "warning"
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        },
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          "probe_status": "ok"
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      "status": "ok"
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  },
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    },
    "oauth_protected_resource": {
      "error": "Client error '404 ' for url 'https://mcp.machfive.io/.well-known/oauth-protected-resource'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404",
      "url": "https://mcp.machfive.io/.well-known/oauth-protected-resource"
    },
    "openid_configuration": {
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    },
    "server_card": {
      "error": "Client error '404 ' for url 'https://mcp.machfive.io/.well-known/mcp/server-card.json'\nFor more information check: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/404",
      "url": "https://mcp.machfive.io/.well-known/mcp/server-card.json"
    }
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  "remote_url": "https://mcp.machfive.io/mcp/{api_key}",
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}