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Optibot

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AI code review for local changes, branch diffs, and patch files.

MCP ServerAI & KnowledgeLocal (stdio)
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Updated 2026-06-16

What is the Optibot MCP server?

Optibot enables AI clients to perform automated code reviews on local repositories. It supports analysis of uncommitted changes, comparisons between branches, and application of patch files.

Running as a stdio-based MCP server, Optibot integrates directly with AI assistants to provide contextual feedback on code modifications without requiring additional network setup.

Install & connect

Add this to your MCP client config. Pick your client below and copy.

{
  "mcpServers": {
    "optibot": {
      "command": "npx",
      "args": [
        "-y",
        "@optimalai/optibot-mcp"
      ],
      "env": {
        "OPTIBOT_API_KEY": "<YOUR_OPTIBOT_API_KEY>"
      }
    }
  }
}

Package: @optimalai/optibot-mcp (npm)

Example prompts

Once connected, try asking your AI client:

Review the current local changes in my project for any issues
Compare the feature branch against main and summarize the diffs
Analyze this patch file and suggest improvements
Check my unstaged changes for code quality problems

Configuration

Environment variables this server needs.

VariableRequiredDescription
OPTIBOT_API_KEYsecretNoOptional Optibot API key (optk_...) for non-interactive auth. If unset, use the login tool for browser-based OAuth.

Security & permissions

Requires OPTIBOT_API_KEY environment variable and runs locally via stdio, accessing local file changes and diffs.

What you can do with Optibot

Review local changes

Quickly analyze uncommitted modifications in a working directory before committing.

Compare branch diffs

Evaluate differences between feature branches and main to identify issues early.

Validate patch files

Inspect and review patch files for correctness and potential problems.

How to use Optibot

  1. 1Install the Optibot MCP server package.
  2. 2Set the OPTIBOT_API_KEY environment variable with your valid key.
  3. 3Configure your AI client to use the stdio transport for Optibot.
  4. 4Restart the AI client to load the server connection.
  5. 5Start prompting for code reviews on local changes or diffs.

Optibot: pros & cons

Pros

  • +Direct integration with local code for fast reviews
  • +Supports multiple review scenarios including patches and branches
  • +Simple stdio setup with minimal configuration
  • +Enhances AI assistants with specialized code review capabilities

Cons

  • No tools documented in available descriptions
  • Depends on external API key for functionality
  • Limited to local filesystem access only
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Frequently asked questions

The OPTIBOT_API_KEY must be set for the server to function.

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