NOTICE

perplexity-user-mcp
Copyright (c) 2026 Nskha and contributors

This product includes software developed as derivative / optional
dependencies of the following third-party projects:

1. patchright (Apache License 2.0)
   https://github.com/Kaliiiiiiiiii-Vinyzu/patchright
   Used for stealth browser automation against Perplexity's web frontend.

2. @modelcontextprotocol/sdk (MIT License)
   https://github.com/modelcontextprotocol/typescript-sdk
   MCP protocol implementation — server, auth, and transport layers.

3. express (MIT License)
   https://github.com/expressjs/express
   HTTP framework for the embedded daemon server.

4. got-scraping (MIT License)
   https://github.com/apify/got-scraping
   HTTP client with TLS fingerprint impersonation for the fast-path tier.

5. @ngrok/ngrok (MIT / Apache-2.0)
   https://github.com/ngrok/ngrok-javascript
   Optional — NAPI tunnel binding for remote MCP access via ngrok.

6. helmet (MIT License)
   https://github.com/helmetjs/helmet
   Security headers middleware for the daemon HTTP surface.

7. gray-matter (MIT License)
   https://github.com/jonschlinkert/gray-matter
   YAML frontmatter parser for the Markdown history store.

8. otpauth (MIT License)
   https://github.com/hectorm/otpauth
   Optional — used when a profile needs TOTP-style secondary auth.

9. keytar (MIT License)
   https://github.com/atom/node-keytar
   Optional — used for storing the vault master key in the OS keychain.