MCP Server MCP

ChainWeaver

By github 👁 1 views ▲ 0 votes

Expose deterministic ChainWeaver flows as MCP tools without LLM calls between steps.

Homepage Verified source GitHub

Install

uvx chainweaver

Configuration Example

{
  "remotes": [],
  "packages": [
    {
      "registryType": "pypi",
      "registryBaseUrl": "https://pypi.org",
      "identifier": "chainweaver",
      "version": "0.12.1",
      "runtimeHint": "uvx",
      "transport": {
        "type": "stdio"
      },
      "runtimeArguments": [
        {
          "description": "Resolve the MCP extra so a fresh client installs the fastmcp/mcp dependencies the serve command needs.",
          "value": "chainweaver[mcp]",
          "type": "named",
          "name": "--from"
        }
      ],
      "packageArguments": [
        {
          "value": "serve",
          "type": "positional"
        },
        {
          "description": "Path to a .flow.yaml/.flow.json file to expose as MCP tools.",
          "isRequired": true,
          "format": "filepath",
          "type": "positional",
          "valueHint": "flow_file"
        },
        {
          "description": "Python module path exposing Tool instances at top level. Repeatable.",
          "placeholder": "your_package.tools",
          "type": "named",
          "name": "--tools",
          "isRepeated": true
        }
      ]
    }
  ]
}

mcp model-context-protocol pypi