How to Install MCP Servers in JetBrains AI Assistant

How to add MCP servers to JetBrains IDEs (IntelliJ IDEA, PyCharm, WebStorm) through AI Assistant — the MCP settings page, JSON import, and verifying tools.

Step-by-step installation guide

Open the AI Assistant MCP settings
In your JetBrains IDE, go to Settings → Tools → AI Assistant → Model Context Protocol (MCP). This requires the AI Assistant plugin to be installed and enabled.
Add a server or paste JSON
Click Add, then either fill in the command and arguments or switch to the JSON view and paste an mcpServers block. Configs from Claude Desktop can be imported as-is.
Apply and use the tools in chat
Apply the settings, then open AI Assistant chat. The server status shows on the MCP settings page, and its tools become available to the assistant.

Configuration

Settings → Tools → AI Assistant → MCP

LocationAny OS

Settings → Tools → AI Assistant → Model Context Protocol (MCP)

Snippet

JSON

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/path/to/allowed/dir"],
      "env": {}
    }
  }
}

Popular MCP servers to try in JetBrains AI Assistant

AllMCPs Server
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- text_purge_v1 — $0.01 per call Removes invisible Unicode characters and replaces homoglyphs in a text string, then normalizes the result. Returns the cleaned text plus a before-and-after risk comparison.
- domain_check_score_v1 — free Overall score, per-category scores, and how many findings each category raised. Use it to triage: rank a list of domains, confirm one is healthy, or decide whether the full report is worth pulling. It tells you which categories are weak and how many issues they hold, but not what the issues are.
- domain_check_score_batch_v1 — free The same triage scores for up to 100 domains in a single call. One score summary per distinct domain: overall score, per-category scores, and how many findings each category raised. Never the findings themselves.
- domain_check_v1 — $0.01 per call Full report for one domain: weighted score out of 100, per-category breakdown, and every individual finding with a prioritised remediation order.
- domain_check_batch_v1 — from $0.005 per domain The same full report for up to 100 domains in a single call, with one payment for the whole batch instead of one per domain. Both cheaper per domain and much faster than calling domain_check_v1 in a loop.
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Frequently Asked Questions

Open Settings → Tools → AI Assistant → Model Context Protocol (MCP), click Add, and enter the command and args or paste an mcpServers JSON block. The same steps apply to every JetBrains IDE with AI Assistant.

Yes. AI Assistant accepts the standard mcpServers JSON, so you can paste server blocks from claude_desktop_config.json into the JSON view of the MCP settings page.

Yes — recent JetBrains IDEs include a built-in MCP server that lets external clients such as Claude Desktop or Cursor use IDE features. That is separate from adding MCP servers to AI Assistant.

Step-by-step installation guide

Open the AI Assistant MCP settings

Add a server or paste JSON

Apply and use the tools in chat

Configuration

Popular MCP servers to try in JetBrains AI Assistant

Frequently Asked Questions

How do I add an MCP server in IntelliJ or PyCharm?

Can I import my Claude Desktop MCP config into JetBrains?

Can a JetBrains IDE act as an MCP server?

Install MCP servers in other clients