2s A2A Agent

Agent2Agent (A2A) protocol surface: an agent card served from https://2s.io/.well-known/agent-card.json (protocolVersion 0.3.0, JSONRPC transport, version 1.0.0, provider 2s) advertising a single skill, discover-endpoints — send a natural-language task as text/plain to the JSON-RPC endpoint at https://2s.io/a2a and receive the best-matching 2s endpoints (id, path, method, group, description, per-call price) as application/json, ranked deterministically over the live catalog. Discovery is free; the endpoints it returns are x402-paid. The endpoint implements only message/send (tasks/get and the extended card return -32601); streaming, push notifications and state history are declared unsupported.

Documentation GitHub

Other Resources

🔗

AgentCard

https://raw.githubusercontent.com/api-evangelist/2s-io/refs/heads/main/a2a/2s-io-a2a.yml

🔗

AgentCard

https://2s.io/.well-known/agent-card.json

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API entry from apis.yml

aid: 2s-io:2s-a2a-agent
name: 2s A2A Agent
description: 'Agent2Agent (A2A) protocol surface: an agent card served from https://2s.io/.well-known/agent-card.json
  (protocolVersion 0.3.0, JSONRPC transport, version 1.0.0, provider 2s) advertising a single skill, discover-endpoints
  — send a natural-language task as text/plain to the JSON-RPC endpoint at https://2s.io/a2a and receive
  the best-matching 2s endpoints (id, path, method, group, description, per-call price) as application/json,
  ranked deterministically over the live catalog. Discovery is free; the endpoints it returns are x402-paid.
  The endpoint implements only message/send (tasks/get and the extended card return -32601); streaming,
  push notifications and state history are declared unsupported.'
humanURL: https://2s.io/llms.txt
baseURL: https://2s.io/a2a
tags:
- A2A
- Agent-Native
- x402
tags_raw:
- A2A
- agent-native
- x402
properties:
- type: AgentCard
  url: a2a/2s-io-a2a.yml
- type: AgentCard
  name: A2A Agent Card (provider-hosted)
  url: https://2s.io/.well-known/agent-card.json