io.github.celfons由 GitHub 账号 celfons 发布v0.4.1更新于 Oct 25, 2026
KYA backed by a real company: e-CNPJ-signed agent mandates, revocation-checked, signed verdicts
KYA Brasil 远程 MCP 服务器，让助手注册、验证、续期和撤销由巴西公司 e-CNPJ 签名的 AI 代理凭证。
Web executable，通过 Streamable HTTP。 远程服务在工作区中配置后即可从网页运行时运行。
把这段提示词粘贴到 Claude Code、Codex、Cursor 等智能体，或 SourceWeft 对话中。智能体会读取该服务器的安装指南，先向你展示发布者、端点和登录方式，经你同意后再把它添加到你的客户端。密钥不会写进任何命令。
阅读 https://sourceweft.com/mcp/io.github.celfons%2Fkya-brasil/install.md，并按其中说明把这个 MCP 服务器接入我的客户端。修改任何配置之前，先告诉我它的发布者、端点和登录方式，等我确认。不要把 API 密钥写进命令或我会提交的文件；问我密钥应从哪里获取。把它添加到你客户端的 mcpServers 配置中。
{
"mcpServers": {
"kya-brasil": {
"type": "http",
"url": "https://kya-br-agents.marcelfons.workers.dev/mcp"
}
}
}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-mandate.schema.json). Returns a one-time challenge the agent signs with its key and the company signs with its e-CNPJ (CMS/PKCS#7). Price covers the checks at issuance.
cnpjagent必填mandate必填principalSame as the free verification, without daily limit, plus a signed receipt of the verification itself (what was checked, when). Pay per call with x402.
credential_id必填Signed verdict: is this action (action, amount, currency, counterparty, payment instrument) inside the agent's mandate and is the credential active? Evaluates the reserved mandate fields; lists the fields it did not evaluate.
actionamountcurrencyspent_todaycounterpartycredential_id必填payment_networkpayment_ref_sha256Re-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 Receita.
credential_id必填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 (CRL) and the company must be ATIVA; then the credential is issued (90 days, Ed25519-signed).
challenge_id必填credential_id必填agent_signature必填ecnpj_signature必填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 your own for that person (stable for you, different for every verifier). The CPF is never stored, published or revealed; 3 non-matching answers per credential stop your checks. The person sees every check.
cpf必填credential_id必填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-CPF (valid 10 minutes).
signed_text必填ecpf_signature必填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 and mandate and sign in the browser (A1 .pfx) or with any ICP-Brasil signer (A3 token, cloud), or run kya-sign (npm @kya-brasil/agent-tools) with the link. The issuer never sees the certificate.
challenge_id必填credential_id必填agent_signatureFree (50/day per IP). The agent's current credential: principal company, mandate, status (active, suspended, revoked, expired) and signature. Also by key: /v1/agents/by-key?kind=&id=.
agentcredential_idFree. 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 company is still ATIVA.
challenge_id必填credential_id必填agent_signature必填ecnpj_signature必填Free. The company revokes the credential at once (e-CNPJ-signed request). Revocations are listed at /v1/revocations.
reasonsigned_text必填credential_id必填ecnpj_signature必填Free, company only. Every credential ever registered for your CNPJ, any status, whoever held the certificate (an accountant, another employee). Request signed with your e-CNPJ over "KYA Brasil: agents <cnpj>" + "at: <ISO time>".
cnpj必填signed_text必填ecnpj_signature必填Free, company only. Sets the https URL that receives signed events about your agents: credential issued, renewed, suspended, reinstated, revoked. Request signed with your e-CNPJ; url "-" removes it.
cnpj必填signed_text必填ecnpj_signature必填Free. Credentials revoked since a date (default: last 30 days), for verifiers that cache credentials.
sinceFree. What KYA Brasil is, how the credential flow works, prices, and where the schemas and signing keys are.
无需输入参数。
已满足适用检查项的 83%
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托管服务按其提供方的条款使用，因此这里不要求许可证。此检查项不计入百分比。