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FactQL

factql/factql-mcp

Verified answers from your data, with the query and rows behind them, or a decline, never a guess.

tools
2
auth
Secret needed
transport
STDIO, HTTP
env vars
4
last updated
Nov 10, 2026
View on GitHub

Tools

2 tools

Public tool metadata for what this MCP can expose to an agent.

whoamiThe tenant, plan, and workspaces this key can query.

The tenant, plan, and workspaces this key can query.

No parameter schema in public metadata yet.

askThe answer, the SQL that ran, and up to 50 rows.

The answer, the SQL that ran, and up to 50 rows.

No parameter schema in public metadata yet.

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Configuration

FACTQL_API_KEY*secret

FactQL API key (an ask-only key is enough)

FACTQL_BASE_URLdefault: https://api.factql.ai

FactQL API base URL

FACTQL_WORKSPACE_ID

Default workspace, for tenants that use workspaces

FACTQL_END_USER_ID

Who is asking; defaults to mcp:<os user>

Readme

factql-mcp

FactQL is the harness around the model.

Ask a question about your data. FactQL runs the query, checks the result before you see an answer, and declines instead of guessing when it can't verify.

Every answer ships with the query that ran, the rows it returned and the lineage behind it. One API call. Works with Postgres, MySQL, DuckDB, uploaded CSV and XLSX files, and PDFs with cited answers.

Built for developers putting AI near real data: AI apps, agents and internal tools that can't afford a confident wrong number.

This package is FactQL's MCP server: it brings those answers into Claude Desktop, Claude Code, Cursor, or any MCP client. Learn more at factql.ai.

Hosted server (no install)

FactQL also runs this server for you at:

https://api.factql.ai/mcp

View the full README on GitHub

Details

Repository
github.com/factql/factql-mcp
Website
factql.ai
Category
Data & Analytics
Package
factql-mcp
Transport
STDIO, HTTP
Auth
Required
Registry
MCP registry, active

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