Artem / A2A Sandbox

Sandbox Contractor Agent (A2A)

Agent2Agent protocol surface: an agent card served from https://a2a.elonsusk.com/.well-known/agent-card.json (and the legacy /.well-known/agent.json) declaring protocolVersion "1.0", JSONRPC transport, version 0.1.0, provider "Artem / A2A Sandbox", 28 skills each carrying inputModes, outputModes, tags, an example and — for the 24 keyless skills — a priceUsd from $0.001 to $0.02. The JSON-RPC 2.0 endpoint at https://a2a.elonsusk.com/a2a implements tasks/send, tasks/get and tasks/cancel (plus message/send and the SendMessage/GetTask/CancelTask aliases per the card's transports block); it answers a live probe with a JSON-RPC error for an unknown task id and -32601 for an unknown method. Streaming and push notifications are declared unsupported; stateTransitionHistory is supported and a nine-state task state machine is published in the card. No securitySchemes: the gate is payment (x402 pay-per-call or a crypto invoice whose memo is the task id).

GitHub

Documentation

📖
Documentation
https://a2a.elonsusk.com/

Other Resources

🔗
AgentCard
https://raw.githubusercontent.com/api-evangelist/elonsusk-com/refs/heads/main/a2a/elonsusk-com-a2a.yml
🔗
AgentCard
https://a2a.elonsusk.com/.well-known/agent-card.json

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API entry from apis.yml

apis.yml Raw ↑ 
aid: elonsusk-com:sandbox-contractor-agent-a2a
name: Sandbox Contractor Agent (A2A)
description: 'Agent2Agent protocol surface: an agent card served from https://a2a.elonsusk.com/.well-known/agent-card.json
  (and the legacy /.well-known/agent.json) declaring protocolVersion "1.0", JSONRPC transport, version
  0.1.0, provider "Artem / A2A Sandbox", 28 skills each carrying inputModes, outputModes, tags, an example
  and — for the 24 keyless skills — a priceUsd from $0.001 to $0.02. The JSON-RPC 2.0 endpoint at https://a2a.elonsusk.com/a2a
  implements tasks/send, tasks/get and tasks/cancel (plus message/send and the SendMessage/GetTask/CancelTask
  aliases per the card''s transports block); it answers a live probe with a JSON-RPC error for an unknown
  task id and -32601 for an unknown method. Streaming and push notifications are declared unsupported;
  stateTransitionHistory is supported and a nine-state task state machine is published in the card. No
  securitySchemes: the gate is payment (x402 pay-per-call or a crypto invoice whose memo is the task id).'
humanURL: https://a2a.elonsusk.com/
baseURL: https://a2a.elonsusk.com/a2a
tags:
- A2A
- Agent-Native
- x402
- Agentic Commerce
tags_raw:
- A2A
- agent-native
- x402
- Agent Commerce
properties:
- type: AgentCard
  url: a2a/elonsusk-com-a2a.yml
- type: AgentCard
  name: A2A Agent Card (provider-hosted)
  url: https://a2a.elonsusk.com/.well-known/agent-card.json
- type: Documentation
  url: https://a2a.elonsusk.com/