proof layer for Claude Code

io.github.world-999-labs/proof-layer

Signed, hash-chained provenance receipts for AI agent actions.

client:Claude Code transport:stdio runtime:npm

Install proof layer in Claude Code

run in your project directory

claude mcp add proof-layer -e PROOF_LAYER_API_KEY=<PROOF_LAYER_API_KEY> -e PROOF_LAYER_API_URL=<PROOF_LAYER_API_URL> -e PROOF_LAYER_TELEMETRY=<PROOF_LAYER_TELEMETRY> -- npx -y @proof-layer/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

proof layer in other clients

Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
LangChain

proof layer MCP server