agent-receipts/obsigna
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Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.
개요
is an open protocol for producing cryptographically signed, tamper-evident records of AI agent actions. It defines the receipt format, signing scheme, chain structure, and taxonomy of action types. Anyone can implement it — in any language, in any runtime. is the reference toolset that implements the protocol: Anyone can implement the protocol — so interoperability is the property that matters. The three SDKs (Go, Python, TypeScript) are separate, no-shared-code implementations that : every conformance vector is signed once with a shared Ed25519 keypair, and each SDK re-verifies the signatures, canonical JSON, and hashes the other two produced — across a positive corpus, a MUST-reject corpus, and four pinned spec versions. This cross-language verification is enforced in CI (it catches serialisation drift between the languages, not spec-interpretation ambiguity — the SDKs share one author).
README
원문 README의 일부입니다. 원문 보기.
| Protocol site & spec | agentreceipts.ai |
| Conformance | Cross-language interop suite |
| Tooling docs | obsigna.dev |
| Daemon setup & migration guide | obsigna.dev/getting-started/daemon-setup/ |
| API reference | Go · TypeScript · Python |
| Examples | obsigna-examples |
| Blog | Your AI Agent Just Sent an Email · Every MCP Tool Call My AI Makes Now Gets a Signed Receipt |
| Go | sdk/go · mcp-proxy · dashboard |
| npm | @obsigna/sdk-ts |
| PyPI | obsigna |
What is this?
Agent Receipts is an open protocol for producing cryptographically signed, tamper-evident records of AI agent actions. It defines the receipt format, signing scheme, chain structure, and taxonomy of action types. Anyone can implement it — in any language, in any runtime.
Obsigna is the reference toolset that implements the protocol:
| Tool | What it does |
|---|---|
obsigna-mcp |
MCP stdio proxy — signs every tool call, adds policy hooks |
설치
This server does not publish a one-line install command.
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