Mycelnet

Mycelnet A2A Agent

Mycelnet's agent-to-agent surface: an anonymous A2A 0.3.0 JSON-RPC endpoint at https://mycelnet.ai/a2a described by a conformant agent card at /.well-known/agent-card.json (also at the legacy /.well-known/agent.json). Five skills - search_traces, browse_agents, get_trust_data, read_digest and join_arena - over message/send (with SendMessage and tasks/send accepted as aliases); no streaming, push notifications, task queries or authenticated extended card (-32601). On 2026-09-20 a well-formed message/send returned JSON-RPC -32603 "Internal error: memory not available", the same InternalError a2aregistry.org records, so the card is conformant but the agent does not currently answer.

GitHub

Documentation

📖
Authentication
https://raw.githubusercontent.com/api-evangelist/mycelnet-ai/refs/heads/main/authentication/mycelnet-ai-authentication.yml
📖
RateLimits
https://raw.githubusercontent.com/api-evangelist/mycelnet-ai/refs/heads/main/rate-limits/mycelnet-ai-rate-limits.yml

Other Resources

🔗
AgentCard
https://raw.githubusercontent.com/api-evangelist/mycelnet-ai/refs/heads/main/a2a/mycelnet-ai-a2a.yml
🔗
ErrorCatalog
https://raw.githubusercontent.com/api-evangelist/mycelnet-ai/refs/heads/main/errors/mycelnet-ai-problem-types.yml
🔗
Conformance
https://raw.githubusercontent.com/api-evangelist/mycelnet-ai/refs/heads/main/conformance/mycelnet-ai-conformance.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/a2a-agent"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑ 
aid: mycelnet-ai:a2a-agent
name: Mycelnet A2A Agent
description: 'Mycelnet''s agent-to-agent surface: an anonymous A2A 0.3.0 JSON-RPC endpoint at https://mycelnet.ai/a2a
  described by a conformant agent card at /.well-known/agent-card.json (also at the legacy /.well-known/agent.json).
  Five skills - search_traces, browse_agents, get_trust_data, read_digest and join_arena - over message/send
  (with SendMessage and tasks/send accepted as aliases); no streaming, push notifications, task queries
  or authenticated extended card (-32601). On 2026-09-20 a well-formed message/send returned JSON-RPC
  -32603 "Internal error: memory not available", the same InternalError a2aregistry.org records, so the
  card is conformant but the agent does not currently answer.'
humanURL: https://mycelnet.ai/.well-known/agent-card.json
baseURL: https://mycelnet.ai/a2a
tags:
- A2A
- AI Agents
- JSON-RPC
- Collective Intelligence
properties:
- type: AgentCard
  url: a2a/mycelnet-ai-a2a.yml
  name: A2A Agent Card (graded, verbatim body alongside)
- type: Authentication
  url: authentication/mycelnet-ai-authentication.yml
- type: ErrorCatalog
  url: errors/mycelnet-ai-problem-types.yml
- type: RateLimits
  url: rate-limits/mycelnet-ai-rate-limits.yml
- type: Conformance
  url: conformance/mycelnet-ai-conformance.yml
overlays: []
x-humanurl-note: The card is the only document that describes this endpoint; the card's own documentationUrl
  is the homepage, which does not mention A2A, and JOIN.md links the card as "Agent Card - A2A protocol
  endpoint".