Mcp events — mcp-events

# Durable MCP webhook subscriptions. Set EVENT_DATABASE_URL, EVENT_ENCRYPTION_KEY
# (base64 of 32 random bytes), MCP_EVENTS_KEY (32+ chars), and SAMPLE_WEBHOOK_SECRET.
# Run `hookway event-store migrate --config examples/mcp-events.yaml` before serve.
server: {addr: ":8080", max_body_bytes: 1048576}
state_stores: {local: {namespace: mcp-events, memory: {}}}
event_delivery:
  postgres_url: "${EVENT_DATABASE_URL}"
  namespace: example-agent-events
  encryption_key: {provider: env, name: EVENT_ENCRYPTION_KEY}
events:
  issue.opened:
    description: A new issue was opened in the selected repository.
    payload_schema:
      type: object
      required: [issue_id, repository, title]
      additionalProperties: false
      properties:
        issue_id: {type: string, minLength: 1}
        repository: {type: string, minLength: 1}
        title: {type: string, minLength: 1}
destinations:
  agents:
    type: mcp_events
    mcp_events: {endpoint: agent_tools}
flows:
  agent_tools:
    nodes:
      - id: mcp
        type: mcp_trigger
        path: /agents/mcp
        public_url: http://localhost:8080/agents/mcp
        auth:
          api_keys:
            reader: {secret_ref: {provider: env, name: MCP_EVENTS_KEY}}
        tools:
          - name: get_service_status
            description: Read the status of this example gateway.
            read_only: true
            input_schema: {type: object, additionalProperties: false}
            output_schema: {type: object}
            access: {api_keys: [reader]}
        events:
          - event: issue.opened
            input_schema:
              type: object
              additionalProperties: false
              required: [repository]
              properties: {repository: {type: string, minLength: 1}}
            filters: {repository: repository}
            access: {api_keys: [reader]}
      - {id: status, type: mcp_result, source: constant, value: {status: ready}}
    edges: [mcp:get_service_status>status]
  issue_webhook:
    nodes:
      - {id: in, type: http_trigger, path: /webhooks/issues, methods: [POST]}
      - {id: rate, type: rate_limit, store: local, rpm: 60, burst: 10}
      - {id: read, type: read_body, max_bytes: 262144}
      - {id: auth, type: auth, scheme: exact, secret_ref: {provider: env, name: SAMPLE_WEBHOOK_SECRET}, signature_header: X-Api-Key}
      - {id: env, type: envelope, body_format: json}
      - {id: event, type: event, event: issue.opened, event_id_path: issue_id}
      - {id: send, type: publish, destination: agents, target: issue.opened}
    edges: [in>rate, rate>read, read>auth, auth>env, env>event, event>send]