Defender MCP server
Execute KQL queries against Microsoft Defender Advanced Hunting via natural language.
B75/100grade B
Adoption
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0 stars
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If you have run it, two minutes of your experience saves the next person an afternoon.
Defender tools
No tool declarations could be read from the package source. They show once the server is installed.
Public scan report
scanner v0.1.10 · 2026-10-01 · same rubric, same numbers if you re-run it
no findings
- Code scan4 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 199 days ago4/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Install Defender in Claude Code, Cursor or VS Code
claude mcp add mcp-defender -- uvx mcp-defender
Defender: common questions
- Is Defender MCP server safe?
- Mostly: it is graded B (75/100). Read the Defender safety report
- How do I install Defender?
- It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
- Does Defender need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Defender maintained?
- The last commit was 211 days ago (2026-03-16). The latest release is v0.1.0.