Claude Code

concordance for Claude Code

com.narrowhighway/concordance

Deterministic claim verification with receipts across ~60 domains. No model in the loop.

client:Claude Code transport:streamable-http tools:94

Install concordance in Claude Code

run in your project directory

claude mcp add --transport http concordance https://narrowhighway.com/mcp

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

What Claude Code can do once it is connected

All 94 tools →

concordance in other clients

concordance MCP server