Koskamo

loenn-mcp

An MCP server for the game Celeste that allows AI agents to read, edit, analyze, generate, and preview .bin map files. It supports tools for listing maps, querying room details, adding or removing entities and triggers, managing decals, and converting maps to JSON for authoring. It includes safety features like backups and works with Everest mods.

Package and access

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

loenn-mcp logo, by MagedelineCommunity listingLocal stdioSource reviewed; not executedPublished by Magedeline
Vendor documentation

What you can do with it

  • List all .bin map files in a directory
  • Read full room details including tiles and entities
  • Add or remove entities and triggers in a map
  • Convert maps to JSON for scripted authoring

Source and maintenance

Community listingRegistry 7.2.0
Maintenance checked

Packages and installation

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

https://github.com/Magedeline/loenn-mcp/releases/download/v7.2.0/loenn-mcp-7.2.0.mcpb 7.2.0

mcpbSHA-256 supplied
https://github.com/Magedeline/loenn-mcp/releases/download/v7.2.0/loenn-mcp-7.2.0.mcpb package definition
{
  "version": "7.2.0",
  "transport": "stdio",
  "fileSha256": "99aa5f3cd18d0bcc9fc9016683aa7a10b29beaa868161cb40f45f640fe2a90f5",
  "identifier": "https://github.com/Magedeline/loenn-mcp/releases/download/v7.2.0/loenn-mcp-7.2.0.mcpb",
  "registryType": "mcpb",
  "environmentVariables": [
    {
      "name": "LOENN_MCP_WORKSPACE",
      "description": "Root of the Celeste mod project; map paths are relative to it (default: current directory)"
    }
  ]
}

Tools

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

No tool definitions available.

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