Linkerd Proxy Admin API

naftiko: 1.0.0-alpha2
info:
  label: Linkerd Proxy Admin API
  description: The Linkerd proxy exposes an admin HTTP server on each meshed pod, providing health check endpoints, readiness
    probes, Prometheus-compatible metrics, and runtime diagnostic information. By default this server listens on port 4191.
  tags:
  - Linkerd
  - API
  created: '2026-05-06'
  modified: '2026-05-06'
capability:
  consumes:
  - type: http
    namespace: linkerd
    baseUri: http://localhost:4191
    description: Linkerd Proxy Admin API HTTP API.
    resources:
    - name: metrics
      path: /metrics
      operations:
      - name: getproxymetrics
        method: GET
        description: Linkerd Get proxy metrics
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: ready
      path: /ready
      operations:
      - name: getproxyreadiness
        method: GET
        description: Linkerd Proxy readiness check
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: live
      path: /live
      operations:
      - name: getproxyliveness
        method: GET
        description: Linkerd Proxy liveness check
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: shutdown
      path: /shutdown
      operations:
      - name: shutdownproxy
        method: POST
        description: Linkerd Initiate proxy shutdown
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
  exposes:
  - type: rest
    port: 8080
    namespace: linkerd-rest
    description: REST adapter for Linkerd Proxy Admin API.
    resources:
    - path: /metrics
      name: getproxymetrics
      operations:
      - method: GET
        name: getproxymetrics
        description: Linkerd Get proxy metrics
        call: linkerd.getproxymetrics
        outputParameters:
        - type: object
          mapping: $.
    - path: /ready
      name: getproxyreadiness
      operations:
      - method: GET
        name: getproxyreadiness
        description: Linkerd Proxy readiness check
        call: linkerd.getproxyreadiness
        outputParameters:
        - type: object
          mapping: $.
    - path: /live
      name: getproxyliveness
      operations:
      - method: GET
        name: getproxyliveness
        description: Linkerd Proxy liveness check
        call: linkerd.getproxyliveness
        outputParameters:
        - type: object
          mapping: $.
    - path: /shutdown
      name: shutdownproxy
      operations:
      - method: POST
        name: shutdownproxy
        description: Linkerd Initiate proxy shutdown
        call: linkerd.shutdownproxy
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    port: 9090
    namespace: linkerd-mcp
    transport: http
    description: MCP adapter for Linkerd Proxy Admin API for AI agent use.
    tools:
    - name: getproxymetrics
      description: Linkerd Get proxy metrics
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: linkerd.getproxymetrics
      outputParameters:
      - type: object
        mapping: $.
    - name: getproxyreadiness
      description: Linkerd Proxy readiness check
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: linkerd.getproxyreadiness
      outputParameters:
      - type: object
        mapping: $.
    - name: getproxyliveness
      description: Linkerd Proxy liveness check
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: linkerd.getproxyliveness
      outputParameters:
      - type: object
        mapping: $.
    - name: shutdownproxy
      description: Linkerd Initiate proxy shutdown
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: linkerd.shutdownproxy
      outputParameters:
      - type: object
        mapping: $.