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MCP Comparison · 2026

Redis vs Semgrep MCP Server

Comparing Redis and Semgrep as MCP servers? Redis (inspect & debug redis) is best when cache inspection. Semgrep (run semgrep scans) is best when pre-commit sast. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.

Redis

Redis

Inspect keys, run commands, and debug Redis from an AI agent.

Semgrep

Semgrep

Open-source SAST scanning against custom rules from an AI agent.

Side-by-side specs

Pulled from each MCP's verified fact sheet.

 RedisSemgrep
Primary functionInspect & Debug RedisRun Semgrep scans
MaintainerRedisSemgrep
PricingOpen sourceOpen source
Setup complexityLow · ~3 minLow · ~5 min
Transportstdiostdio
Auth modelAPI keyNone
LicenseMITLGPL-2.1
LanguagePythonPython
Latest versionlatestlatest
Compatible clientsClaude, Cursor, VS Code, Windsurf, Any MCP-compatible client, Redis 6+, Redis Stack, ValkeyClaude, Cursor, VS Code, Windsurf, Any MCP-compatible client, Semgrep 1.30+
Last verified2026-05-272026-05-27

Which one should you pick?

Decision rubric drawn from each MCP's documented strengths.

Choose Redis

  • Cache inspection
  • Session debugging
  • Queue depth checks
See full Redis write-up →

Choose Semgrep

  • Pre-commit SAST
  • Custom rule enforcement
  • Reviewing third-party PRs
See full Semgrep write-up →

Pick something else if…

  • Production-wide KEYS scans
  • Dependency-vulnerability scanning

Feature breakdown

Key capabilities each server ships out of the box.

Redis

  • Redis + Redis Stack + Valkey support
  • Read-only mode default
  • Per-data-type read tools
  • TTL and memory inspection
  • Pattern-based SCAN (not KEYS)

Semgrep

  • Open-source rule registry
  • Custom YAML rules
  • Per-language rule selection
  • Diff-mode (scan only changed lines)
  • JSON output for agent ingestion

Install snippets

Open the detail page for ready-to-paste config for every major client.

Install Redis

Setup snippets for Claude, Cursor, VS Code, Windsurf →

uvx --from "git+https://github.com/redis/mcp-redis" redis-mcp

Install Semgrep

Setup snippets for Claude, Cursor, VS Code, Windsurf →

uvx semgrep-mcp

FAQ

Redis vs Semgrep: which MCP server should I use?

Pick Redis when cache inspection. Pick Semgrep when pre-commit sast. Redis is built for inspect & debug redis, while Semgrep focuses on run semgrep scans.

Can I run both Redis and Semgrep together?

Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.

How fresh is this comparison?

Updated for 2026. Redis's last verification: 2026-05-27. Semgrep's last verification: 2026-05-27. We refresh detail-page facts on every catalog rebuild.

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