Koskamo

LLM Preflight MCP

A local, cross-provider preflight check tool for LLM integration changes. It allows engineers to define output rules, JSON shapes, or routing labels, and then validates LLM responses against these constraints before deploying model, prompt, schema, or provider changes. It supports running as an MCP server to integrate with AI agents.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

LLM Preflight MCP logo, by feronovakCommunity listingLocal stdioSource reviewed; not executedPublished by feronovak
Vendor documentation

What you can do with it

  • Validate LLM responses against defined JSON schemas or output rules
  • Check model outputs before changing providers or prompts
  • Run preflight checks locally as an MCP server for agent integration

Source and maintenance

Community listingRegistry 2.23.0
mcp-registry: io.github.feronovak/llm-preflight@2.23.0Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

llm-preflight 2.23.0

pypi
llm-preflight package definition
{
  "version": "2.23.0",
  "transport": "stdio",
  "identifier": "llm-preflight",
  "registryType": "pypi",
  "packageArguments": [
    {
      "name": "--workspace",
      "type": "named",
      "format": "filepath",
      "isRequired": true,
      "description": "Absolute path to the repository that the server may read."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "llm-preflight-mcp": {
      "command": "uvx",
      "args": [
        "llm-preflight==2.23.0"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "llm-preflight-mcp": {
      "command": "uvx",
      "args": [
        "llm-preflight==2.23.0"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "llm-preflight-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "llm-preflight==2.23.0"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "llm-preflight-mcp": {
      "command": "uvx",
      "args": [
        "llm-preflight==2.23.0"
      ]
    }
  }
}

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