kya-brasil

Name: kya-brasil
Author: celfons

MCP serverMCP

KYA backed by a real company: e-CNPJ-signed agent mandates, revocation-checked, signed verdicts

by celfonshomepage ↗v0.4.1

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Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability47/47 checks ok

when	check	result	http	latency	detail
7 h ago	mcp initialize	ok	200	1170 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
14 h ago	mcp initialize	ok	200	1194 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
21 h ago	mcp initialize	ok	200	849 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
29 h ago	mcp initialize	ok	200	992 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
2 d ago	mcp initialize	ok	200	1149 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
2 d ago	mcp initialize	ok	200	1827 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
2 d ago	mcp initialize	ok	200	963 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
2 d ago	mcp initialize	ok	200	662 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
3 d ago	mcp initialize	ok	200	1283 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools
3 d ago	mcp initialize	ok	200	1114 ms	server KYA Brasil 0.12.1 · protocol 2025-06-18 · 15 tools

Tools observed via MCP handshake

kya_register — Register an AI agent for a Brazilian company: agent key (EVM address or Web Bot Auth Ed25519 key), CNPJ and a mandate (JSON, validated against /.well-known/kya-
kya_verify_paid — Same as the free verification, without daily limit, plus a signed receipt of the verification itself (what was checked, when). Pay per call with x402.
kya_check_action — Signed verdict: is this action (action, amount, currency, counterparty, payment instrument) inside the agent's mandate and is the credential active? Evaluates t
kya_renew — Re-issue the credential for 90 more days. The company signs the renewal challenge with an e-CNPJ in force (not revoked); the company must still be ATIVA at the
kya_prove — Free. Send both signatures of the challenge. The e-CNPJ chain is validated against ICP-Brasil roots, the CNPJ must match, the certificate must not be revoked (C
kya_principal_match — Signed answer ($0.01) for a person's agent (principal.kind person): does the CPF you already have match the e-CPF holder behind it? On a match, a subject_ref of
kya_person_agents — Free, person only: every live credential behind your e-CPF and every CPF check made against each one. Sign "KYA Brasil: my agents\nat: <ISO time>" with the e-CP
kya_sign_link — Free. Link for whoever holds the company's e-CNPJ (owner, accountant): give challenge_id and the agent's signature, get the /sign URL. They see agent, company a
kya_verify — Free (50/day per IP). The agent's current credential: principal company, mandate, status (active, suspended, revoked, expired) and signature. Also by key: /v1/a
kya_renew_prove — Free. Second step of kya_renew: send both signatures of the renewal challenge; the credential is re-issued for 90 days if the e-CNPJ is not revoked and the comp
kya_revoke — Free. The company revokes the credential at once (e-CNPJ-signed request). Revocations are listed at /v1/revocations.
kya_company_agents — Free, company only. Every credential ever registered for your CNPJ, any status, whoever held the certificate (an accountant, another employee). Request signed w
kya_company_webhook — Free, company only. Sets the https URL that receives signed events about your agents: credential issued, renewed, suspended, reinstated, revoked. Request signed
kya_revocations — Free. Credentials revoked since a date (default: last 30 days), for verifiers that cache credentials.
kya_about — Free. What KYA Brasil is, how the credential flow works, prices, and where the schemas and signing keys are.

Provenance

Where this record came from

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Official MCP Registryio.github.celfons/kya-brasil

first seen 13 d ago · fetched 3 d agoopen ↗

Field history (9 recent events)

10 d ago · declared · summary → "KYA backed by a real company: e-CNPJ-signed agent mandates, revocation-checked, signed verdicts"
10 d ago · declared · description → "KYA backed by a real company: e-CNPJ-signed agent mandates, revocation-checked, signed verdicts"
10 d ago · declared · version → "0.4.1"
13 d ago · declared · homepageUrl → "https://kya-br-agents.marcelfons.workers.dev"
13 d ago · declared · summary → "KYA backed by a real company: e-CNPJ-signed agent mandates, KYB-checked daily, signed verdicts"
13 d ago · declared · protocols → ["mcp"]
13 d ago · declared · version → "0.2.1"
13 d ago · declared · description → "KYA backed by a real company: e-CNPJ-signed agent mandates, KYB-checked daily, signed verdicts"
13 d ago · declared · publisherName → "celfons"

kya-brasil

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