Guard Core MCP server
io.github.Guard-Core/guard-core-mcp·v1.7.0·1 starsGuard Core security MCP: SecurityConfig validation, docs search, live threat detection.
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1 stars549 downloads/wk
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Guard Core tools
No tool declarations could be read from the package source. They show once the server is installed.
How Guard Core compares
Against every graded Productivity MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 91/100
- higher than 85% of 1,299 Productivity servers
- GitHub stars
- 1
- more than 50% of 854 Productivity servers
- Downloads a week
- 549
- more than 84% of 427 Productivity servers with a package
Release history: 4 versions in the registry since 2026-10-08, latest 2026-10-18, typically one every 3 days.
Install Guard Core in Claude Code, Cursor or VS Code
claude mcp add guard-core-mcp -- uvx guard-core-mcp
What the publisher says
From the Guard Core repository's README, as published. We do not edit it. Read it on GitHub
Guard Core MCP
Website · Docs · Playground · Dashboard
An MCP server that lets AI coding agents answer questions about the Guard security ecosystem from the libraries themselves, instead of from memory.
Covers the whole family: the Python trio (fastapi-guard, guard-core, guard-agent) by live introspection, and the Go, TypeScript, PHP and Rust engines, their twenty framework adapters, their telemetry agents, and the guard-core-app SaaS ingestion contract from a verified registry and knowledge corpus.
Why
Your agent can already read the docs. What it cannot do is tell you that the redisfailopen in your config is silently doing nothing because the real field is redisfail_open, or that the flag you are reaching for did not exist until guard-core 3.5.0, or whether a given request would actually be blocked and by which pattern.
This server answers those from the installed package: real pydantic validation, real field metadata, and the real detection engine. It also answers the cross-language questions the libraries cannot answer: which package guards a Gin, Fastify, Laravel or Rocket app, whether it is tagged or still path-dependent, how to wire its telemetry agent, and what response codes the SaaS ingest endpoint returns.
Install
Install it into your project's environment, not as an isolated tool:
uv add --dev guard-core-mcp
claude mcp add guard-core -- uv run guard-core-mcpuvx guard-core-mcp will start, but an isolated environment contains no guard-core or fastapi-guard for it to introspect, so it can only answer from bundled documentation. Running it inside your own environment is what makes the answers match the versions you actually ship.
Tools
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Guard Core: common questions
- Is Guard Core MCP server safe?
- Yes, by our scan: it is graded A (91/100). Read the Guard Core safety report
- How do I install Guard Core?
- It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
- Does Guard Core need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Guard Core maintained?
- The last commit was 26 days ago (2026-10-08). The latest release is v1.7.0.
- What can I use instead of Guard Core?
- Servers from other publishers that do the same job: Sceneview MCP server, SceneView MCP server and Sceneview MCP server. Compare all Guard Core alternatives.
- How does Guard Core compare with other Productivity MCP servers?
- safety score 91/100 (higher than 85% of 1,299 Productivity servers); github stars 1 (more than 50% of 854 Productivity servers); downloads a week 549 (more than 84% of 427 Productivity servers with a package). Full comparison.
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