# Council of AI Measurement Agent (A2A)

**Canonical:** https://apis.io/apis/councilof-ai/council-of-ai-measurement-agent-a2a/  
**Provider:** Council of AI — https://apis.io/providers/councilof-ai/  
**Base URL:** https://councilof.ai/api/a2a  
**Documentation:** https://councilof.ai/llms.txt

Council of AI Measurement Agent (A2A) is one of 3 APIs that [Council of AI](https://apis.io/providers/councilof-ai/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include A2A, Agent-Native, and AI Governance. The published artifact set on APIs.io includes API documentation.

Agent2Agent v1.0 surface: an agent card served from https://councilof.ai/.well-known/agent-card.json (application/a2a+json, version 1.1.0, supportedInterfaces[0] JSONRPC 1.0 at https://councilof.ai/api/a2a) advertising eight skills — signed GSPC board, East-West crosswalk, measured badge, benchmark-quality register, Article 50 provenance detection, EU AI Act screening helper, x402 discovery + free door, estate index — routed to fixed free handlers. Streaming, push notifications and the extended card are declared false; GetTask on an unknown id returns -32001 TASK_NOT_FOUND and 0.3 method names return -32009. Three extension URIs are declared (signed-receipts draft, x402 discovery, x402 Offer & Receipt), none required. Listed on a2aregistry.org.

## Machine-readable artifacts (3)

- **AgentCard** — https://raw.githubusercontent.com/api-evangelist/councilof-ai/refs/heads/main/a2a/councilof-ai-a2a.yml
- **AgentCard** — https://councilof.ai/.well-known/agent-card.json
- **Documentation** — https://councilof.ai/api/a2a

## Other Council of AI APIs (2)

- [Council of AI Public API](https://apis.io/apis/councilof-ai/council-of-ai-public-api/)
- [Council of AI GSPC MCP Server](https://apis.io/apis/councilof-ai/council-of-ai-gspc-mcp-server/)

## Tags

A2A, Agent-Native, AI Governance

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/councilof-ai/council-of-ai-measurement-agent-a2a/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/councilof-ai/.