# Lenz Fact-Check Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Lenz Fact-Check

Verify factual claims in your writing with quick verdicts or detailed source-backed checks

- Record: https://musedirectory.ai/connector/lenz-fact-check
- Category: Research & Data
- Developer: Lenz (https://lenz.io)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, sign-in needed, 368ms, checked 2026-09-28T07:45:52Z
- Endpoint: https://lenz.io/mcp
- Auth: Sign in with your account; Pricing: unknown
- Screening: Screened, no issues found (2026-09-24T04:51:09Z)
- Source: Found in the official MCP Registry (io.lenz/fact-check) https://registry.modelcontextprotocol.io/v0/servers?search=io.lenz%2Ffact-check

Fact-checks claims in drafts and answers. Provides quick verdicts or deep checks with sources to help verify information accuracy before publishing or sending.

Example request: "Check if the statistics in my blog post about climate change are accurate"

How to connect: Lenz Fact-Check is not in Muse's Connectors list yet, and it needs you to sign in with your Lenz Fact-Check account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

Screening checks:
- MCP handshake: pass (Requires sign-in (publishes OAuth metadata))
- Domain against threat feeds (Cloudflare security DNS): pass (lenz.io not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: n/a (Tools are behind sign-in)
- Inputs asking for passwords, card numbers or seed phrases: n/a (Tools are behind sign-in)
- Domain and redirects: pass (No redirects off the domain)
- AI review of purpose and tool behavior: pass (No concerns)