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OneCLI

Name: OneCLI
Author: 9bests.com

An open-source secret vault and credential gateway for AI agents. Store API keys once in OneCLI and the Rust gateway injects them into outbound requests at call time — agents work with placeholder keys and never see the real secrets.

★★★★⯨ 4.4 Free (Open Source)

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📖 9bests In-Depth Review Jul 31, 2026

OneCLI Review 2026: The Secret Vault That Keeps API Keys Away From Your AI Agents

OneCLI is an open-source credential gateway for AI agents — store secrets once, and the Rust gateway injects them at request time so agents never see real keys. Full review, architecture, and who it's for.

Read the full long-form review & analysis →

💡 9bests Editorial Buying Advice

Why choose OneCLI: An open-source secret vault and credential gateway for AI agents. Store API keys once in OneCLI and the Rust gateway injects them into outbound requests at call time — agents work with placeholder keys and never see the real secrets.

Optimal workflow match: Ideal for teams seeking automated and streamlined AI workflows.

✅ Pros / Key Advantages

• Agents never see real secrets
• Encrypted at rest
• Per-agent scoped tokens
• One place to rotate and audit
• Optional password-manager backing
• Apache-2.0
• Easy install

❌ Cons / Limitations

• A new component to run and keep up
• HTTPS interception requires trusting a MITM cert
• Self-hosting means owning Postgres, backups, and encryption keys
• Young project with a sizable open-issue count

💰 Pricing Plans & Structure

Free (Open Source)

Pricing details are gathered from public sources and are subject to change. Please visit the official website for real-time rates and trial terms.

Pricing verified from official public sources · Reviewed by Bill (Lead Editor)

🎯 Who should use OneCLI

Best suited for users focused on digital productivity and AI automation who value agents never see real secrets.

⚠️ Who should look elsewhere

Users who require features outside its core scope or cannot accommodate a new component to run and keep up may benefit from exploring alternative tools in this category.

🚀 Common use cases

Autocompleting and refactoring code

Multi-file AI edits

Debugging and test generation

⚖️ Direct Head-to-Head Comparisons

Curated Matchups

Compare Matrix → Free (Open Source) vs Free / $20/mo

OneCLI vs Cursor

Side-by-side analysis of features, scores, pros, and cons.

Compare Matrix → Free (Open Source) vs $10-39/mo

OneCLI vs GitHub Copilot

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OneCLI vs Windsurf (Codeium)

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Compare Matrix → Free (Open Source) vs Free / $25/mo

OneCLI vs Replit Agent

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❓ Frequently asked questions

Is OneCLI free?

Pricing for OneCLI is available on its official site.

What is OneCLI used for and what are its strengths?

Key strengths of OneCLI: Agents never see real secrets, Encrypted at rest. An open-source secret vault and credential gateway for AI agents. Store API keys once in OneCLI and the Rust gateway injects them into outbound requests at call time — agents work with placeholder keys and never see the real secrets.

What is the best alternative to OneCLI?

If you're looking for an alternative to OneCLI, consider Cursor: it stands out for Best AI code editor, Multi-file editing.

How do I choose the right alternative to OneCLI?

Selection advice: compare ratings, pricing, and core features within the AI Coding category, then match to your own workflow. See the comparison matrix and Top alternatives list on this page.