Perseus Ledger — verifiable, hash-chained event provenance for Claude Code

io.github.perseus-computing-llc/ledger

Verifiable, hash-chained event provenance for autonomous systems. Local-first, MIT. 5 MCP tools.

client:Claude Code transport:stdio runtime:pypi

Install Perseus Ledger — verifiable, hash-chained event provenance in Claude Code

run in your project directory

claude mcp add ledger -- uvx perseus-ledger

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