Tampermonkey Mcp
List, edit, and manage Tampermonkey userscripts from your agent instead of clicking through the extension UI.
Overview
Tampermonkey MCP is a MCP server for the Build phase that lets your agent manage Tampermonkey userscripts through stdio MCP tools.
What is this MCP server?
- Official-style Tampermonkey MCP from io.github.Tampermonkey/tampermonkey-mcp
- npm stdio package tampermonkey-mcp v0.0.4
- Manage Tampermonkey scripts via MCP tools rather than manual UI
- Pairs with browser extension and agent stacks for repetitive site automation
- Registry version 0.0.4
- npm identifier tampermonkey-mcp on registry.npmjs.org
- GitHub repository Tampermonkey/tampermonkey-mcp
Community signal: 13 GitHub stars.
What problem does it solve?
You maintain dozens of userscripts by hand in the extension UI while your agent could apply consistent edits and inventory in one place.
Who is it for?
Builders who already use Tampermonkey for personal or internal browser automation and want agent-controlled script ops.
Skip if: Teams that need Playwright/Puppeteer-grade E2E testing or production scraping without userscripts.
What do I get? / Deliverables
Your agent can drive Tampermonkey script management so browser automation stays versioned and repeatable with your dev workflow.
- Programmatic userscript management from your agent session
- Reduced manual extension UI work for script maintenance
Recommended MCP Servers
Journey fit
How it compares
Extension script manager MCP, not a headless browser farm or web-scraping marketplace skill.
Common Questions / FAQ
Who is Tampermonkey MCP for?
Developers using the Tampermonkey extension who want Claude Code, Cursor, or other MCP clients to manage userscripts from the editor.
When should I use Tampermonkey MCP?
Use it in Build when you integrate browser userscripts into your workflow—bulk edits, inventory, or agent-generated helpers for sites you automate.
How do I add Tampermonkey MCP to my agent?
Install npm package tampermonkey-mcp, add a stdio MCP server entry in your client, and follow Tampermonkey/tampermonkey-mcp on GitHub for environment prerequisites.