{"openapi":"3.1.0","info":{"title":"POST /api/v1/mcp-connections/oauth/start","version":"1.0.0","description":"Start OAuth for an MCP server"},"servers":[{"url":"https://api.ondayzero.com","description":"Production"}],"paths":{"/api/v1/mcp-connections/oauth/start":{"post":{"tags":["mcp-connections"],"summary":"Start OAuth for an MCP server","description":"Discover the server's authorization endpoints, register DayZero as a client, and return the URL to send the admin to. Also sets a browser-binding cookie the callback requires.","operationId":"start_mcp_oauth","parameters":[{"name":"authorization","in":"header","required":false,"schema":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Authorization"}},{"name":"x-business-id","in":"header","required":false,"schema":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"X-Business-Id"}}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"$ref":"#/components/schemas/McpOAuthStartRequest"}}}},"responses":{"200":{"description":"Successful Response","content":{"application/json":{"schema":{"$ref":"#/components/schemas/SuccessEnvelope_McpOAuthStartResponse_"}}}},"400":{"description":"Bad Request - Invalid input","content":{"application/json":{"example":{"error":"validation_error","message":"Validation failed: due_date: Input should be a valid date","errors":{"due_date":"Input should be a valid date"},"code":"GEN_002","request_id":"3f0e7c2a-9b4d-4e1a-8c6f-2d5b7a1e9c30"},"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"401":{"description":"Unauthorized - Missing or expired token, an MCP OAuth token used against the REST API, or no access to this business","content":{"application/json":{"example":{"error":"unauthorized","message":"Authentication required","code":"AUTH_001","request_id":"3f0e7c2a-9b4d-4e1a-8c6f-2d5b7a1e9c30"},"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"403":{"description":"Forbidden - Insufficient permissions","content":{"application/json":{"example":{"error":"forbidden","message":"You don't have permission to access this resource","code":"AUTH_002","request_id":"3f0e7c2a-9b4d-4e1a-8c6f-2d5b7a1e9c30"},"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"409":{"description":"Conflict - Resource already exists or is in an incompatible state","content":{"application/json":{"example":{"error":"conflict","message":"Resource already exists","code":"CONFLICT_001","request_id":"3f0e7c2a-9b4d-4e1a-8c6f-2d5b7a1e9c30"},"schema":{"$ref":"#/components/schemas/ErrorResponse"}}}},"422":{"description":"Validation Error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ErrorResponse"},"example":{"error":"validation_error","message":"Validation failed: amount: Input should be a valid integer","errors":{"amount":"Input should be a valid integer"},"code":"GEN_002","request_id":"3f0e7c2a-9b4d-4e1a-8c6f-2d5b7a1e9c30"}}}}},"x-fastapi-operation-id":"start_mcp_oauth_api_v1_mcp_connections_oauth_start_post"}}},"components":{"schemas":{"McpOAuthStartRequest":{"properties":{"name":{"type":"string","maxLength":120,"minLength":1,"title":"Name"},"server_url":{"type":"string","maxLength":2048,"minLength":8,"title":"Server Url"},"trust_read_only_hints":{"type":"boolean","title":"Trust Read Only Hints","default":false},"oauth_client_id":{"anyOf":[{"type":"string","maxLength":512},{"type":"null"}],"title":"Oauth Client Id","description":"Only for servers without dynamic client registration."},"oauth_client_secret":{"anyOf":[{"type":"string","maxLength":1024},{"type":"null"}],"title":"Oauth Client Secret"}},"type":"object","required":["name","server_url"],"title":"McpOAuthStartRequest","description":"Begin the OAuth flow for a server that supports it."},"McpOAuthStartResponse":{"properties":{"connect_url":{"type":"string","title":"Connect Url"},"state":{"type":"string","title":"State"}},"type":"object","required":["connect_url","state"],"title":"McpOAuthStartResponse"},"SuccessEnvelope_McpOAuthStartResponse_":{"properties":{"success":{"type":"boolean","title":"Success","default":true},"message":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Message"},"code":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Code"},"data":{"anyOf":[{"$ref":"#/components/schemas/McpOAuthStartResponse"},{"type":"null"}]}},"additionalProperties":true,"type":"object","title":"SuccessEnvelope[McpOAuthStartResponse]"},"ErrorResponse":{"title":"ErrorResponse","type":"object","description":"Envelope returned by every non-2xx response. Branch on `code` (stable) rather than `message` (human-readable, may change).","required":["error","message","code"],"properties":{"error":{"type":"string","description":"Error category: `validation_error`, `unauthorized`, `forbidden`, `not_found`, `conflict`, `rate_limited`, `server_error`, or `service_unavailable`."},"message":{"type":"string","description":"Human-readable explanation, safe to show to end users."},"code":{"type":"string","description":"Stable machine-readable code in `CATEGORY_NNN` form (e.g. `NOT_FOUND_006`, `AUTH_010`, `GEN_002`)."},"request_id":{"type":"string","description":"Correlation id for support requests. Echoes the `x-request-id` request header when one was supplied."},"errors":{"type":"object","additionalProperties":{"type":"string"},"description":"Field-level validation messages keyed by field name. Present on 400/422 validation failures only."}}}},"securitySchemes":{"BearerAuth":{"type":"http","scheme":"bearer","bearerFormat":"API Token","description":"API token authentication. Format: `Bearer dz_...`"}}},"security":[{"BearerAuth":[]}]}