concordance for Claude.ai

com.narrowhighway/concordance

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

client:Claude.ai transport:streamable-http tools:94

Install concordance in Claude.ai

Settings → Connectors → Add custom connector

https://narrowhighway.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

verify
audit
search
seal_fetch
redact
card_get
cards_browse
decks
deck_open
cards_stats
daily_card
grid_axis
grid_dimension
card_connections
locate
library_health
pronounce
steward_budget
steward_cost_destroyed
coach_subjects
coach_overview
coach_unit
coach_next
coach_recommend

All 94 tools →

concordance in other clients

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

concordance MCP server