MasterMCP
MasterMCP is an MCP server by slowmist. A demonstration toolkit revealing potential security vulnerabilities in MCP (Model Context Protocol) frameworks through data poisoning, JSON injection, function overriding, and cross-MCP call attacks, exposing AI security issues while providing defense recommendations. For educational and research p. It has 98 GitHub stars and ranks #570 of 2217 in Developer Tools by stars.
- Category
- Developer Tools
- Author
- slowmist
- GitHub stars
- 98
- This week
- Tracking since 18 Oct 2026
- Language
- Python
- License
- MIT (open source)
- Last update
- 2025-07-06 (16 months ago)
- Links
- Source
How to install MasterMCP
Install steps differ per project, so follow the README in the MasterMCP repository. Most MCP servers start with a single command (npx -y <package>, uvx <package> or a Docker image) that you add to your client's config. The install guide shows where that goes in Claude Code, Claude Desktop, Cursor and VS Code.
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Frequently asked questions
What is MasterMCP?
MasterMCP is an MCP server by slowmist in the Developer Tools category. A demonstration toolkit revealing potential security vulnerabilities in MCP (Model Context Protocol) frameworks through data poisoning, JSON injection, function overriding, and cross-MCP call attacks, exposing AI security issues while providing defense recommendations. For educational and research p. It has 98 GitHub stars and ranks #570 of 2217 in Developer Tools by stars.
Is MasterMCP free and open source?
Yes. MasterMCP is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.
What are the alternatives to MasterMCP?
Other Developer Tools projects on MCP Harbor include rea, storybook, context7. Each alternative links to its own page with stars, license and recent activity. The Developer Tools category ranks all 2217 by stars, and you can re-sort it by growth this week.
Alternatives to MasterMCP
All 2217 Developer Tools MCP servers →
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