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Connect Neon to Gemini CLI

Give Gemini CLI governed access to Neon’s 29 tools through Runlayer, with identity, policy, scanning, and audit on every call.

Book a demo Gemini CLI setup guide

Set up

Add Neon 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 Neon in Runlayer

    Add Neon 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 Neon’s 29 tools through the Runlayer Plugin’s search and execute tools instead of listing each one.

    Gemini CLI setup guide
  3. 3

    Sign in to Neon

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

  4. 4

    Use Neon from Gemini CLI

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

Tools

29 Neon tools in Gemini CLI

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

  • List projects

    Lists the first 10 Neon projects in your account.

  • List organizations

    Lists all organizations that the current user has access to.

  • List shared projects

    Lists projects that have been shared with the current user.

  • Create project

    Create a new Neon project.

  • Delete project

    Delete a Neon project

  • Describe project

    Describes a Neon project

  • Run SQL

    Execute a single SQL statement against a Neon database.

  • Run SQL transaction

    Execute a SQL transaction against a Neon database, should be used for multiple SQL statements.

See all 29 Neon tools

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 Neon 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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