MCP Server

Active

MIT

longpath MCP Server

io.github.S-CurveLabs/longpath

Repository Registry

What is the longpath MCP server?

Read-only P6 / MS Project schedule analysis: CPM, float, DCMA 14-point, logic checks, S-curves.

How to install longpath

Copy-paste configuration for popular MCP clients.

transport: stdio

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

Environment / auth

LONGPATH_CONFIG
Path to longpath.toml (java_home, mpxj_classpath, max_rows, allow_writes). Optional: .xer and MS Project XML need no config.
LONGPATH_HOME
Folder searched for longpath.toml when LONGPATH_CONFIG is not set (default: a longpath folder in %LOCALAPPDATA%, or ~/.local/share/longpath).
JAVA_HOME
A Java 11+ runtime, used only to open .mpp / P6 XML files through MPXJ (install longpath[mpp] for the MPXJ jars).

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

{
  "mcpServers": {
    "longpath": {
      "command": "uvx",
      "args": [
        "longpath"
      ],
      "env": {
        "LONGPATH_CONFIG": "<YOUR_LONGPATH_CONFIG>",
        "LONGPATH_HOME": "<YOUR_LONGPATH_HOME>",
        "JAVA_HOME": "<YOUR_JAVA_HOME>"
      }
    }
  }
}

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