English Français العربية

Koma Gate MCP

Community AI and agents

Classify input for prompt injection and out-of-scope content with Koma Gate's LLM-based classifier.

Source code Documentation

What can you do with Koma Gate MCP?

  • text (required) — the untrusted user input to classify
  • preset (optional) — general | code | support | reference (default: general)

Install

The installation steps are in the documentation below. Documentation

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Koma Gate MCP
  2. What it does
  3. Setup
  4. Tool: classify_input
  5. Security Boundary

Koma Gate MCP

Expose Koma Gate's prompt-injection classification as an MCP tool for AI agents.

npm install koma-gate-mcp

What it does

Provides a single tool, classify_input, that an AI agent can call to check whether untrusted user text is safe and in-scope before acting on it.

Setup

Set the provider and API key:

# Provider: openai | anthropic | google | deepseek | ollama (default: google)
export KOMA_PROVIDER=google
export GEMINI_API_KEY=sk-...
Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "koma-gate": {
      "command": "npx",
      "args": ["-y", "koma-gate-mcp"]
    }
  }
}

Tool: classify_input

  • text (required) — the untrusted user input to classify
  • preset (optional) — general | code | support | reference (default: general)

Returns:

{
  "allowed": true,
  "in_scope": true,
  "reason": "in scope",
  "preset": "general",
  "model": "gemini-2.5-flash"
}

Security Boundary

This is an LLM-based scope classifier, not a cryptographic prompt-injection defense. See koma-gate's README for the full security boundary and BENCHMARKS.md for evaluation results.

Frequently asked questions

What is Koma Gate MCP?

Classify input for prompt injection and out-of-scope content with Koma Gate's LLM-based classifier.

How do I install Koma Gate MCP?

Follow the installation steps in its documentation, shown on this page and in its repository.

Is Koma Gate MCP open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Koma Gate MCP?

It is published by swnotmetal. AI.tn lists it but does not maintain or endorse it.

From the community awesome-mcp-servers lists and the project's GitHub repository. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.