{"apiVersion":"v1","directorySlug":"pcrzero-mcp-7bd3a66134","title":"PCRZERO — Don’t trust. Measure.","description":"Verify an enclave","pageUrl":"https://www.mcpbundles.com/skills/pcrzero-mcp-7bd3a66134","connectPath":"importable","connectAction":"import_server","catalogListing":false,"bundleSlug":null,"listingKind":"remote_mcp","kind":"provider","transportUrl":"https://mcp.pcrzero.com/mcp","hostedMcpUrl":null,"toolCount":3,"toolInventoryStatus":"observed","refreshedAt":"2026-11-03T13:26:00.516172+00:00","registryName":"com.pcrzero/pcrzero-mcp-7bd3a66134","registryVersion":"2026.11.3","registryEligible":true,"tools":[{"name":"issue_receipt","description":"Adjudicates an attestation document against a policy and returns the verdict together with a signed receipt pair — the durable, independently checkable proof that this decision was made, by these keys, over this document. **Metered: every call bills one `receipt_verifications` unit against the API key configured for this server, and a `fail` verdict bills exactly like a `pass`. You are paying for the adjudication, not for the answer you wanted.** This is the only tool here that spends. If you al","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","properties":{"nonce":{"type":"string"},"policy":{"type":"object","additionalProperties":{}},"receipt":{"type":"boolean"},"document":{"type":"string"},"documents":{"type":"array","items":{"type":"string"}},"policy_id":{"type":"string"}},"additionalProperties":false},"logicalName":"issue_receipt","displayName":"issue_receipt","title":"issue_receipt","annotations":{"untrustedContentHint":true,"readOnlyHint":true}},{"name":"verify_receipt","description":"Checks a PCRZERO receipt pair against the signing keyset: whether the signature holds, and whether the receipt says what it appears to say. **Free, with no API key and no account, and it stays free.** Offline by default — supply `keyset` and this call touches the network not at all; omit it and the server fetches the public keyset from api.pcrzero.com once. The result field `keyset_source` tells you which of the two happened, every time. This tool issues nothing, bills nothing, and cannot spend.","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","required":["receipt"],"properties":{"keyset":{"type":"object","required":["keys"],"properties":{"keys":{"type":"array","items":{"type":"object","additionalProperties":{}}}},"additionalProperties":false},"receipt":{"type":"string"},"conformance":{"enum":["full","classical-only"],"type":"string"}},"additionalProperties":false},"logicalName":"verify_receipt","displayName":"verify_receipt","title":"verify_receipt","annotations":{"untrustedContentHint":true,"readOnlyHint":true}},{"name":"get_keyset","description":"Returns the current PCRZERO signing keyset — key ids, public halves, and each key's status. Public and unauthenticated: no API key, no cost, no account. This is the same document an outside party fetches to check a PCRZERO receipt without trusting us, and fetching it is how you stop taking our word for anything.","inputSchema":{"type":"object","$schema":"http://json-schema.org/draft-07/schema#","properties":{}},"logicalName":"get_keyset","displayName":"get_keyset","title":"get_keyset","annotations":{"untrustedContentHint":true,"readOnlyHint":true}}],"toolSource":"directory_preview","agentAction":"both","installLinks":[{"id":"cursor","label":"Cursor","href":"cursor://anysphere.cursor-deeplink/mcp/install?name=PCRZERO-Don-t-trust-Measure-&config=eyJ1cmwiOiAiaHR0cHM6Ly9tY3AucGNyemVyby5jb20vbWNwIn0%3D"},{"id":"vscode","label":"VS Code","href":"vscode:mcp/install?%7B%22name%22%3A%22PCRZERO-Don-t-trust-Measure-%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fmcp.pcrzero.com%2Fmcp%22%7D"},{"id":"vscode-insiders","label":"VS Code Insiders","href":"vscode-insiders:mcp/install?%7B%22name%22%3A%22PCRZERO-Don-t-trust-Measure-%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fmcp.pcrzero.com%2Fmcp%22%7D"},{"id":"claude-web","label":"Claude.ai","href":"https://claude.ai/customize/connectors?modal=add-custom-connector&connectorName=PCRZERO+%E2%80%94+Don%E2%80%99t+trust.+Measure.&connectorUrl=https%3A%2F%2Fmcp.pcrzero.com%2Fmcp"},{"id":"codex","label":"Codex","copyText":"codex mcp add \"PCRZERO-Don-t-trust-Measure-\" --url \"https://mcp.pcrzero.com/mcp\""},{"id":"chatgpt","label":"ChatGPT","href":"https://www.mcpbundles.com/docs/integrations/chatgpt"}],"catalogUrl":"https://www.mcpbundles.com/api/directory/v1/servers/pcrzero-mcp-7bd3a66134","callUrl":"https://www.mcpbundles.com/api/directory/v1/servers/pcrzero-mcp-7bd3a66134/tools/{tool}","mcpServerUrl":"https://mcp.pcrzero.com/mcp","liveCatalogUrl":"https://www.mcpbundles.com/api/directory/v1/servers/pcrzero-mcp-7bd3a66134?live=1"}