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@components-kit/open-workbook-mcp-server

v0.1.26

Published

2 months ago

MCP stdio server exposing the Open Workbook excel.agent.run workflow surface.

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mcp excel office-js spreadsheet automation

@components-kit/open-workbook-mcp-server

MCP stdio server for Open Workbook.

This package exposes the public excel.agent.run workflow tool, JSON resources, and prompts to MCP clients. It also starts or connects to the local backend WebSocket used by the sideloaded Excel add-in.

Usage

Installed CLI users should normally run:

owb mcp

Direct package binary:

open-workbook-mcp

Environment

OPEN_WORKBOOK_HOST: backend host, default 127.0.0.1
OPEN_WORKBOOK_PORT: backend port, default 37845
OPEN_WORKBOOK_ADDIN_PATH: backend WebSocket path, default /addin
OPEN_WORKBOOK_DAEMON_URL: existing backend daemon URL, default derived from host/port
OPEN_WORKBOOK_MCP_STANDALONE: set 1 to force an in-process backend

Source Layout

src/index.ts: small stdio bootstrap
src/tools/agent-run.ts: the single public MCP tool schema and registration
src/resources.ts: JSON resource registrations
src/prompts.ts: safe workflow prompts
src/runtime-facade.ts: daemon proxy or standalone backend startup

Notes

Use @components-kit/open-workbook for end-user installs. This package is published separately so advanced integrators can embed or run the MCP server directly.