"Keybase" matching MCP tools:

• check_usernameA

  JobVerify

  Check a username across GitHub, Reddit, and Keybase to reveal online history and account age, helping vet recruiter handles for scam detection.

  MIT

• username_lookupA

  contrastapi

  Search any username across 15+ social and dev platforms to check account existence and support OSINT identity verification.

  MIT

• keybase_lookupD

  OSINT MCP Server

  Look up Keybase usernames to verify identities and gather open-source intelligence for security research and data analysis.

  ISC

• username_lookup

  ContrastAPI

  Search for username across 15+ social/dev platforms (GitHub, Reddit, X/Twitter, LinkedIn, Instagram, TikTok, Discord, YouTube, Keybase, HackerOne, etc.). Use for OSINT investigations and identity verification. Free: 30/hr, Pro: 500/hr. Returns {username, total_found, platforms: [{name, exists, url, status_code}]}.

  Connector