GuardRails-MCP server
io.github.TAM-DS/guardrails-mcp·v0.1.1Local prompt regression tracker with six fictional cases and evidence for human review.
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GuardRails-MCP tools (4, 2 write)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
get_runwrite actionRead one local run, including checks, outputs, provenance, and known limitations.
list_casesList the six fictional, labeled cases and evaluation limitations.
list_runsList up to 30 local runs; running records can be stale after a hard crash.
run_demowrite actionRun seeded fixtures with zero API calls; persist a local run. This is not model performance.
Public scan report
scanner v0.1.10 · 2026-10-16 · same rubric, same numbers if you re-run it
- Code scan12 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 0 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
How GuardRails-MCP compares
Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 92/100
- higher than 90% of 4,460 AI and agents servers
- Tools
- 4
- the typical AI and agents server has 6
- Tools that change things
- 50%
- typical: 0%. Fewer write tools means less an agent can break
What its tools let an agent do: 2 read · 1 change · 1 run or deploy
Install GuardRails-MCP in Claude Code, Cursor or VS Code
claude mcp add guardrails-mcp -- uvx guardrails-mcp
GuardRails-MCP: common questions
- Is GuardRails-MCP server safe?
- Yes, by our scan: it is graded A (92/100). Read the GuardRails-MCP safety report
- How do I install GuardRails-MCP?
- It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
- Does GuardRails-MCP need an API key?
- No secret keys are declared. It reads 1 setting from the environment.
- Is GuardRails-MCP maintained?
- The last commit was 19 days ago (2026-10-16). The latest release is v0.1.1.
- What can I use instead of GuardRails-MCP?
- Servers from other publishers that do the same job: OpenWorkProof MCP server, HOL Guard MCP server and Agent-Native Analytics MCP server.
- How does GuardRails-MCP compare with other AI and agents MCP servers?
- safety score 92/100 (higher than 90% of 4,460 AI and agents servers); tools 4 (the typical AI and agents server has 6); tools that change things 50% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to GuardRails-MCP
Same job from other publishers: the closest match first, then the best rated.
- OpenWorkProofVerifiable agent evidence; opt-in Codex guard and reference SOC alert review.not reviewedEstablishedA
- HOL GuardLocal-first AI agent security evidence and approval workflows through HOL Guard's stdio MCP server.not reviewedEstablishedA
- Agent-Native AnalyticsAgent-Native Amplitude/Mixpanel - connect data sources, prompt for chartsnot reviewedEstablishedA
- Watch SkillWatch video and live sessions, keep timestamped evidence, and verify an agent's own work.not reviewedEstablishedB
- ImageAI image generation and editing with prompt optimization and quality presetsnot reviewedEstablishedB