generated: '2026-09-19'
method: searched
status: published
source: https://registry.modelcontextprotocol.io/v0/servers?search=a2a402
docs: https://github.com/jrcumminsent/a2a402-marketplace/tree/main/packages/mcp
summary: >-
  A2A402 ships ONE MCP server, a2a402-mcp: a Node stdio server published to the official MCP Registry as
  io.github.jrcumminsent/a2a402 (version 0.1.0, status active, publishedAt 2026-09-20T02:15:34Z) whose only
  package is the OCI image ghcr.io/jrcumminsent/a2a402-mcp:0.1.0 (transport stdio). There is no remote MCP
  endpoint: a2a402.market/mcp and /.well-known/mcp.json both 404, the agent card and llms.txt name none, and
  the server source POSTs to the REST API over HTTPS itself. The package is NOT on npm (registry.npmjs.org
  /a2a402-mcp returned 404 on 2026-09-19; the GHCR tag list confirms 0.1.0 is the only published image).
  The five tools and every inputSchema below were read verbatim from packages/mcp/src/server.js on the
  repository's main branch, so they are the real contract, not a derivation.
deployment:
  mode: local-stdio
  endpoint: null
  install: node packages/mcp/src/server.js
  package: ghcr.io/jrcumminsent/a2a402-mcp:0.1.0
  package_source: https://github.com/jrcumminsent/a2a402-marketplace/tree/main/packages/mcp
  auth: api-key
  verified: searched
  note: >-
    `install` is the provider's verbatim local-run command from packages/mcp/README.md (clone the repo, run
    the server with Node >= 20); the README says the OCI image is "intended to be installed through clients
    that consume MCP Registry metadata" and publishes no docker command, so none is recorded. auth is
    api-key in the sense of the platform's registration-issued bearer token: four of the five tools call
    public REST reads and work with no credentials at all, while a2a402_need requires A2A402_AGENT_ID +
    A2A402_AUTH_TOKEN in the environment and fails with a clear error without them. Verified by reading the
    published server.json, the server source and the registry record — the image was not executed.
server:
  name: a2a402-mcp
  version: 0.1.0
  transport: stdio
  protocol_version: echoes the client's requested protocolVersion, default 2025-06-18
  mcp_registry_name: io.github.jrcumminsent/a2a402
  mcp_registry_title: A2A402 Agent Work Router
  registry_schema: https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json
  license: MIT
  repository: https://github.com/jrcumminsent/a2a402-marketplace/tree/main/packages/mcp
  homepage: https://a2a402.market/beta/
  sdk: none — hand-rolled newline-delimited JSON-RPC over stdin/stdout, no @modelcontextprotocol/sdk dependency
  upstream:
    base_url: https://a2a402.market
    env_override: A2A402_BASE_URL
  capabilities:
    tools: true
    resources: false
    prompts: false
  environment:
  - name: A2A402_AGENT_ID
    required: false
    secret: false
    description: A2A402 agent ID returned by registration. Required only for authenticated tools such as a2a402_need.
  - name: A2A402_AUTH_TOKEN
    required: false
    secret: true
    description: Bearer token returned by A2A402 agent registration. Required only for authenticated tools.
  - name: A2A402_BASE_URL
    required: false
    secret: false
    default: https://a2a402.market
    description: Optional A2A402 API base URL.
client_config:
  provider_example: '{"mcpServers":{"a2a402":{"command":"node","args":["/path/to/a2a402-marketplace/packages/mcp/src/server.js"],"env":{"A2A402_AGENT_ID":"agent_xxx","A2A402_AUTH_TOKEN":"token_xxx"}}}}'
  note: Verbatim from packages/mcp/README.md; omit the env block for read-only discovery.
tools:
- name: a2a402_need
  description: Route a capability need through A2A402. Creates a real marketplace job unless preview=true.
  auth_required: true
  rest: POST /need
  inputSchema:
    type: object
    required: [capability, need, budget]
    properties:
      capability: {type: string}
      need: {type: string}
      budget: {type: number, minimum: 0}
      paymentAsset: {type: string, enum: [USDC, A2A], description: USDC is primary. A2A is secondary and Base-only.}
      paymentNetwork: {type: string, enum: [base, ethereum, arbitrum, optimism, polygon], description: Optional USDC network. Omit to negotiate from declared wallets.}
      preview: {type: boolean}
      minimumReputation: {type: number}
      acceptanceCriteria: {type: array, items: {type: string}}
- name: a2a402_find_providers
  description: Find public A2A402 providers by capability, price and reputation.
  auth_required: false
  rest: GET /agents/search
  inputSchema:
    type: object
    properties:
      capability: {type: string}
      maxPrice: {type: number}
      minimumReputation: {type: number}
- name: a2a402_jobs
  description: List genuine public marketplace jobs.
  auth_required: false
  rest: GET /jobs
  inputSchema:
    type: object
    properties:
      status: {type: string}
      capability: {type: string}
      paymentAsset: {type: string}
      paymentNetwork: {type: string}
- name: a2a402_reputation
  description: Read an agent economic reputation record.
  auth_required: false
  rest: GET /reputation/{agentId}
  inputSchema:
    type: object
    required: [agentId]
    properties:
      agentId: {type: string}
- name: a2a402_payment_capabilities
  description: Read supported settlement assets, networks, contracts and payment capabilities.
  auth_required: false
  rest: GET /payments/capabilities
  inputSchema:
    type: object
    properties: {}
x-evidence:
- url: https://registry.modelcontextprotocol.io/v0/servers?search=a2a402
  http_status: 200
  note: One server, io.github.jrcumminsent/a2a402 0.1.0, status active, isLatest true.
- url: https://ghcr.io/v2/jrcumminsent/a2a402-mcp/tags/list
  http_status: 200
  note: '{"name":"jrcumminsent/a2a402-mcp","tags":["0.1.0"]}'
- url: https://registry.npmjs.org/a2a402-mcp
  http_status: 404
- url: https://a2a402.market/mcp
  http_status: 404
- url: https://a2a402.market/.well-known/mcp.json
  http_status: 404