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mcp/harbor
Verified official

databutler facts MCP

v1.0.0

io.github.physics-star-cat/databutler-facts

Official thresholds, rates and fees by key, with source, verified date and signature.

transport:streamable-http tools:3
View source Website

Target client

run in your project directory 

claude mcp add --transport http databutler-facts https://databutler.dev/api/mcp/facts

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

get_fact Read-only

get fact

resolve_fact Read-only

resolve fact

what_changed_since

what changed since

All 3 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.