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Connect Grep to Gemini CLI

Give Gemini CLI governed access to Grep’s 1 tools through Runlayer, with identity, policy, scanning, and audit on every call.

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Set up

Add Grep to Gemini CLI in four steps

Admins approve the server once. Everyone in Gemini CLI then gets it through the same governed connection.

  1. 1

    Approve Grep in Runlayer

    Add Grep from the catalog and choose who can use it and which of its tools are allowed.

  2. 2

    Connect Gemini CLI to Runlayer

    Users add the Runlayer Plugin to Gemini CLI by following Runlayer’s setup guide. Gemini CLI reaches Grep’s 1 tool through the Runlayer Plugin’s search and execute tools instead of listing each one.

    Gemini CLI setup guide
  3. 3

    Sign in to Grep

    Sign in the way Grep requires. Runlayer holds the credentials so they stay out of the client’s configuration.

  4. 4

    Use Grep from Gemini CLI

    Grep’s approved tools appear in Gemini CLI. Every call is checked against policy and recorded.

Tools

1 Grep tools in Gemini CLI

Runlayer policy decides which of these Gemini CLI users can call.

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Control

What Runlayer can see and stop in Gemini CLI

Some controls apply to every client at the gateway. Others depend on what Gemini CLI exposes to Runlayer.

  • Gateway policy (available)

    Every Grep call from Gemini CLI passes through Runlayer, where your policies can allow, alert, mask, or block it.

  • Audit trail (available)

    Each call is recorded with the user, Gemini CLI as the client, the tool, and the policy and scanner decisions.

  • Client hooks (available)

    Capture supported prompts, reasoning, local and MCP tool calls, responses, and scanner decisions in real time.

  • Stop a call before it runs (available)

    Runlayer can deny a tool call before Gemini CLI runs it.

  • Block output after it runs (available)

    Runlayer can block a tool’s output before Gemini CLI’s model sees it.

  • Redact output in place (not available)

    Gemini CLI can only add text to a tool result, not replace it, so Runlayer blocks output it would otherwise mask. The gateway still applies policy to the call.

In Gemini CLI

  • Enforcement needs Gemini CLI 0.26.0 or newer.
  • When Runlayer blocks a call or its output, Gemini CLI shows the model the block reason instead.

Frequently asked questions

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