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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.
| 1Password | Semgrep | |
|---|---|---|
| Primary function | Inject 1Password secrets | Run Semgrep scans |
| Maintainer | Community (takescake) | Semgrep |
| Pricing | Paid | Open source |
| Setup complexity | Low · ~8 min | Low · ~5 min |
| Transport | stdio | stdio |
| Auth model | API key | None |
| License | MIT | LGPL-2.1 |
| Language | TypeScript | Python |
| Latest version | latest | latest |
| Compatible clients | Claude, Cursor, VS Code, Windsurf, Any MCP-compatible client, 1Password Business or Teams | Claude, Cursor, VS Code, Windsurf, Any MCP-compatible client, Semgrep 1.30+ |
| Last verified | 2026-05-31 | 2026-05-27 |
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
Choose Semgrep
- Pre-commit SAST
- Custom rule enforcement
- Reviewing third-party PRs
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.
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