MCP Server

MantisBT MCP Server MCP Server

io.github.dpesch/mantisbt-mcp-server

Registry

What is the MantisBT MCP Server MCP server?

MantisBT MCP server – manage issues, notes, files, tags, and relationships. With semantic search.

How to install MantisBT MCP Server

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

MANTIS_BASE_URL
required
Base URL of the MantisBT REST API, e.g. https://your-mantis.example.com/api/rest
MANTIS_API_KEY
required
secret
MantisBT API key (Profile → API Tokens in MantisBT)
MANTIS_USE_INDEX_PHP
Use /api/rest/index.php/ for MantisBT installations without URL rewriting. Detected automatically when MANTIS_BASE_URL ends with /api/rest/index.php
MANTIS_CACHE_DIR
Directory for the metadata cache. Defaults to ~/.cache/mantisbt-mcp
MANTIS_CACHE_TTL
Metadata cache TTL in seconds. Default: 3600 (1 hour)
TRANSPORT
Transport mode. 'stdio' for local use (default), 'http' for remote/team deployments
PORT
HTTP port when TRANSPORT=http. Default: 3000
MCP_HTTP_HOST
Bind address when TRANSPORT=http. Default: 127.0.0.1 (local only). Use 0.0.0.0 for Docker/remote.
MCP_HTTP_TOKEN
secret
Optional Bearer token to protect the /mcp endpoint when TRANSPORT=http
MANTIS_SEARCH_ENABLED
Enable offline semantic search (requires ~80 MB model download on first use)
MANTIS_SEARCH_BACKEND
Vector store backend for semantic search. 'vectra' (default, pure JS) or 'sqlite-vec' (faster for >10k issues)
MANTIS_SEARCH_DIR
Directory for the semantic search index. Defaults to ~/.cache/mantisbt-mcp/search
MANTIS_SEARCH_MODEL
Hugging Face model for embeddings. Default: Xenova/paraphrase-multilingual-MiniLM-L12-v2
MANTIS_SEARCH_THREADS
ONNX inference threads for the embedding model. Default: 1
MANTIS_UPLOAD_DIR
If set, restricts file uploads to this directory (path traversal protection)

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mantisbt-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@dpesch/mantisbt-mcp-server"
      ],
      "env": {
        "MANTIS_BASE_URL": "<YOUR_MANTIS_BASE_URL>",
        "MANTIS_API_KEY": "<YOUR_MANTIS_API_KEY>",
        "MANTIS_USE_INDEX_PHP": "<YOUR_MANTIS_USE_INDEX_PHP>",
        "MANTIS_CACHE_DIR": "<YOUR_MANTIS_CACHE_DIR>",
        "MANTIS_CACHE_TTL": "<YOUR_MANTIS_CACHE_TTL>",
        "TRANSPORT": "<YOUR_TRANSPORT>",
        "PORT": "<YOUR_PORT>",
        "MCP_HTTP_HOST": "<YOUR_MCP_HTTP_HOST>",
        "MCP_HTTP_TOKEN": "<YOUR_MCP_HTTP_TOKEN>",
        "MANTIS_SEARCH_ENABLED": "<YOUR_MANTIS_SEARCH_ENABLED>",
        "MANTIS_SEARCH_BACKEND": "<YOUR_MANTIS_SEARCH_BACKEND>",
        "MANTIS_SEARCH_DIR": "<YOUR_MANTIS_SEARCH_DIR>",
        "MANTIS_SEARCH_MODEL": "<YOUR_MANTIS_SEARCH_MODEL>",
        "MANTIS_SEARCH_THREADS": "<YOUR_MANTIS_SEARCH_THREADS>",
        "MANTIS_UPLOAD_DIR": "<YOUR_MANTIS_UPLOAD_DIR>"
      }
    }
  }
}