MCP Comparison · 2026

1Password vs Semgrep MCP Server

Comparing 1Password and Semgrep as MCP servers? 1Password (inject 1password secrets) is best when reference-only secret injection. 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.

Side-by-side specs

Pulled from each MCP's verified fact sheet.

 1PasswordSemgrep
Primary functionInject 1Password secretsRun Semgrep scans
MaintainerCommunity (takescake)Semgrep
PricingPaidOpen source
Setup complexityLow · ~8 minLow · ~5 min
Transportstdiostdio
Auth modelAPI keyNone
LicenseMITLGPL-2.1
LanguageTypeScriptPython
Latest versionlatestlatest
Compatible clientsClaude, Cursor, VS Code, Windsurf, Any MCP-compatible client, 1Password Business or TeamsClaude, Cursor, VS Code, Windsurf, Any MCP-compatible client, Semgrep 1.30+
Last verified2026-05-312026-05-27

Which one should you pick?

Decision rubric drawn from each MCP's documented strengths.

Choose 1Password

  • Reference-only secret injection
  • Multi-credential workflows
  • Team-shared vaults for AI tools
See full 1Password write-up →

Choose Semgrep

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

Pick something else if…

  • Workflows with one local API key in env
  • Dependency-vulnerability scanning

Feature breakdown

Key capabilities each server ships out of the box.

1Password

  • op:// secret references
  • Service-account auth
  • Per-vault scoping
  • 1Password Connect support for self-hosted
  • Resolve secrets without persisting to chat history

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.

FAQ

1Password vs Semgrep: which MCP server should I use?

Pick 1Password when reference-only secret injection. Pick Semgrep when pre-commit sast. 1Password is built for inject 1password secrets, while Semgrep focuses on run semgrep scans.

Can I run both 1Password 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. 1Password's last verification: 2026-05-31. Semgrep's last verification: 2026-05-27. We refresh detail-page facts on every catalog rebuild.

More 1Password comparisons

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