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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
DeepSeekMistralCursorVS CodeWindsurfJetBrainsClineLovableVercel AI SDKLangChain

Use Fern with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Manage and interact with Fern documentation platforms. generate access tokens, index websites for AI, and query analytics directly from your agent.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

Waiting for input…

Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 6 capabilities

The complete Fern capability set.

These are the exact actions your AI can choose when you ask it to work with Fern.

Capability set01 / 02

01-03

3 capabilities in this set.

Part of 6 available through Fern.

  1. 01

    Get jwt

    Get JWT from Fern API key

  2. 02

    Get recent queries

    Get recent queries and analytics

  3. 03

    Get search key

    Get Algolia search credentials

Capability set02 / 02

04-06

3 capabilities in this set.

Part of 6 available through Fern.

  1. 04

    Index website

    Start crawling and indexing a website for Ask Fern

  2. 05

    Post chat completion

    Interact with the Ask Fern AI assistant

  3. 06

    Whoami

    Get current user information

Observed, not estimated

835ms average. Fast in production.

Fern is checked daily against the live service.

Daily averagePeak 995ms
Aug 24Today
Fastest day
774ms
Slowest day
995ms
14-day trend
Slowing+7%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 6 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Fern, so you can see the experience inside your AI.

It does not authenticate your account with Fern. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Fern Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_VqEKputPZIEstF5UI8C28igkFzBgP67EyQDUBcP9/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Fern capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "fern-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_VqEKputPZIEstF5UI8C28igkFzBgP67EyQDUBcP9/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions Fern owners ask.

  • 01

    Can I use the AI assistant to query my documentation?

    Yes, use the post_chat_completion capability with your documentation domain and a list of messages. The agent will interact with the Ask Fern assistant to provide relevant answers.

  • 02

    How do I update the search index for a new site?

    Use the index_website capability by providing the documentation domain and the base URL you want to crawl. This will trigger a new indexing job for the Ask Fern assistant.

  • 03

    How can I see what my users are searching for?

    The get_recent_queries capability allows you to retrieve analytics and recent questions asked by users on a specific documentation domain.

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