How to Install MCP Servers in Gemini CLI
How to add MCP servers to Google Gemini CLI — the mcpServers block in ~/.gemini/settings.json, project-level config, and how to list connected servers.
Step-by-step installation guide
Open the Gemini settings file
Edit ~/.gemini/settings.json for all projects, or .gemini/settings.json in a repository for that project only. Create the file if it does not exist.
Add the server under mcpServers
Add a named entry with "command", "args", and optional "env". Gemini CLI uses the same mcpServers shape as Claude Desktop and Cursor, so those configs paste in directly. You can also run "gemini mcp add".
Restart and list servers
Start a new Gemini CLI session and run the /mcp command to see each server, its connection status, and the tools it exposes.
Configuration
settings.jsonLocation
~/.gemini/settings.jsonSnippet
{
"mcpServers": {
"filesystem": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-filesystem", "/path/to/allowed/dir"],
"env": {}
}
}
}Popular MCP servers to try in Gemini CLI
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- 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.
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-
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_v1in a loop.
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Frequently Asked Questions
Add the server under "mcpServers" in ~/.gemini/settings.json (or a project .gemini/settings.json) with a command and args, or run gemini mcp add. Use /mcp in a session to confirm it connected.
Yes. Both use an mcpServers object with command, args, and env, so a server block copied from claude_desktop_config.json works in Gemini CLI settings.json unchanged.
Run /mcp inside a Gemini CLI session. It lists every configured server, whether it connected, and the tools each one exposes to the model.