Github · GitHub Repository Radar
MCP-Defender MCP-Defender
Desktop app that automatically scans and blocks malicious MCP traffic in AI apps like Cursor, Claude, VS Code and Windsurf.
Stars
257
Forks
42
Watchers: 257
Language
License: GNU Affero General Public License v3.0
Repository Radar Score
35 / 100
Growth
- 7d
- +0
- 30d
- +0
- %
- 0.0%
Not enough metric snapshots yet to chart growth for this repository.
Score breakdown
- popularity 43
- growth 0
- activity 35
- freshness 100
- community 52
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🛡️ MCP Defender is a desktop app that protects AI apps like Cursor from a variety of attacks.
🚦 All MCP tool call requests and responses from AI apps are automatically proxied through MCP Defender.
🔎 The intercepted data is then checked against a set of signatures.
🔐 If anything harmful is detected, MCP Defender alerts you and asks if you want to allow or block the tool call.
MCP.Defender.Small.mp4
Alternatively you can clone the git repo, and run it as follows:
# Install dependencies
npm install
# Start app
npm startMCP Defender protects Cursor, Claude, Visual Studio Code and Windsurf.
MCP Defender is licensed under the AGPL-3.0 license. For more details, see the LICENSE.
Repository Radar analysis
Deterministic insights derived from public metadata and our observations — not personal testing or reviews.
Why this repository is interesting
- Listed in our discovery index with public GitHub metadata for analysis.
Who should use it
- Developers working primarily with TypeScript
- Teams exploring AI tooling, agents, or ML infrastructure
- Security-minded engineers reviewing tooling options
Potential use cases
- Reference or evaluate TypeScript open-source approaches in this domain
- Prototype AI/agent workflows or study reference architectures
Strengths
- README present in our index
- Declared license: GNU Affero General Public License v3.0
Limitations / considerations
- Insights are derived from public metadata and our observations — not a substitute for code review
What to watch
- Radar Score is modest — dig into activity and docs before committing
Source: GitHub (public metadata) + Repository Radar analysis. We do not claim ownership of third-party repositories.
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