ar
Active·★ 16·Apache-2.0·Updated 2026-05-29
★ Hidden Gem★ Security & Safety
Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.
Agent Receipts is an open protocol for generating cryptographically signed audit trails for AI agent actions. It provides SDKs in Go, TypeScript, and Python, plus an MCP proxy that intercepts and signs agent tool calls using Ed25519 signatures. The receipts can be verified independently, enabling accountability and traceability in agentic systems.
#agent-receipts#ai#ai-agents#audit#cryptography#ed25519#golang#mcp
01
Features
01Cryptographically signed receipts for every agent tool call using Ed25519
02MCP proxy that transparently intercepts and signs all tool invocations
03SDKs in Go, TypeScript, and Python for direct integration
04Tamper-evident audit trail with verifiable signatures
05Protocol spec for cross-platform interoperability
02
Compatibility
Go
SDK
Verified via docs
TypeScript
SDK
Verified via docs
Python
SDK
Verified via docs
MCP Protocol
Proxy
Verified via docs
03
Quick start
1
$ go install github.com/agent-receipts/ar/cmd/ar-proxy@latest
04
Use cases
↳Audit AI agent actions in production for compliance and accountability
↳Verify that agent tool calls were not tampered with after the fact
↳Build trust layers into multi-agent pipelines with signed receipts
05
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