Council of AI — Measurement Agent

Call it over A2A

A2A JSON-RPC: send SendMessage, then poll GetTask. Agent card: https://councilof.ai/.well-known/agent-card.json. Auth and limits are set by its operator.

curl -s https://councilof.ai/api/a2a -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"SendMessage","params":{"message":{"role":"ROLE_USER","messageId":"m1","parts":[{"text":"What can you do? Answer in three bullets."}]}}}'

How to call Council of AI — Measurement Agent over A2A

A2A 1.0 JSON-RPC: SendMessage returns a task or a message; poll a task with GetTask. The agent card at councilof.ai/.well-known/agent-card.json lists its skills and auth.

Python

import httpx, uuid

resp = httpx.post("https://councilof.ai/api/a2a", json={
    "jsonrpc": "2.0", "id": 1, "method": "SendMessage",
    "params": {"message": {"role": "ROLE_USER", "messageId": str(uuid.uuid4()),
                           "parts": [{"text": "What can you do? Answer in three bullets."}]}},
}, headers={"A2A-Version": "1.0"}, timeout=60)
print(resp.json())  # a Task (poll it with GetTask) or a direct Message

JavaScript

const res = await fetch("https://councilof.ai/api/a2a", {
  method: "POST",
  headers: { "content-type": "application/json", "A2A-Version": "1.0" },
  body: JSON.stringify({ jsonrpc: "2.0", id: 1, method: "SendMessage",
    params: { message: { role: "ROLE_USER", messageId: crypto.randomUUID(), parts: [{ text: "What can you do? Answer in three bullets." }] } } }),
});
console.log(await res.json());

New to A2A? How to call an A2A agent · A2A vs MCP

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "council-of-ai-measurement-agent" });

# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="council-of-ai-measurement-agent")

Track record

Uptime

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Calls via Rooms (30 days)

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Skills (12)

• Signed GSPC Board gspc-board
  SendMessage answers with the live board: totals.lid verbatim from GET /api/gspc and the derived axis rows (axis, family, kind, status, n, separation, leader state). Empty cells stay empty; a withheld leader is a state, not a zero; a fetch…
• East-West crosswalk & cross-border card east-west-crosswalk
  One signed GSPC measurement mapped across EU, UK, US, Illinois, and China GB/T alignment surfaces. Crosswalk v1 JSON, cross-border signed card, and stranger verify at /gspc-verify. Measurement only — determination stays with authorities.
• Card status link card-status-link
  A global-board README link plus a card-bound status link: the state of one signed card for one exact subject, never a mark or a grade. The global board never becomes a model score. A model-specific result may render only from a VALID signe…
• Benchmark-quality register benchmark-quality-register
  Signed register of what third-party AI benchmarks disclose about their own process integrity. Deterministic predicates only — no language model judges. Records are unsolicited; nothing on the register is certification or endorsement.
• Article 50 provenance detection (free) article50-detect
  Verify a C2PA-style signed manifest for AI-generated content (EU AI Act Article 50) at POST https://councilof.ai/api/detect. Deterministically checks the Ed25519-signed metadata layer and the IPTC/schema.org digitalSourceType; returns AI_M…
• EU AI Act screening helper (deterministic, text-only) eu-ai-act-screen
  POST https://councilof.ai/api/assess with a system description. Keyword matches name the Annex III categories and Article 5 patterns a human should inspect; no model is consulted. It does not establish legal tier, applicability, exceptions…
• x402 discovery + free door x402-discovery
  Agents discover paid artefact rails via GET https://councilof.ai/.well-known/x402.json (mode is reported from runtime env, Base eip155:8453, USDC; amounts from challenge only — no invent price). Catalog GET /api/x402. Free door GET /api/fr…
• Estate index (census, not evidence) estate-index
  SendMessage answers with the estate census summary from GET /api/state -> estate_index, and the full index is GET /interop/master-consolidation-2026-09-16.json with its OpenTimestamps proof beside it. Every artefact CSOAI holds across this…
• Measurement capsules: index and verify (free) measurement-capsules
  Read the latest signed measurement-capsule index, or verify one capsule. {"op":"index"} returns the index root over every published capsule, each batch's Merkle root, capsule count and measurement states, the index's board signature re-ver…
• Server evidence: every capsule about one endpoint (free) server-evidence
  Trust per server, not totals. Every published measurement capsule about ONE endpoint URL across all batches: MCP contract-parity dimensions (AUTH, PAYMENT, PROTOCOL, TOOLS, VERSION), A2A agent-card signature state, self-parity cells for CS…
• Evidence bundle preview: signed cards relevant to one obligation (free) evidence-bundle
  For ONE obligation (article-50, article-53 GPAI transparency, dora or cra) and an optional subject: the obligation record, its counsel-gate status and the already-signed measurement cards that are relevant to it, read from GET /api/evidenc…
• GSPC Route: decide a path under your policy (free, decide-only) gspc-route
  GSPC Route (free, decide-only): applies the caller's Cedar policy (presets read-only, local-only, eu-only, no-unmeasured; forbid_providers; allow_kinds) and the fixed GSPC floor to candidates the caller declares, or to the GSPC MCP tools,…

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