CLRK
Open-source agent runtime with gVisor sandboxing and MitM guardrails for secure AI agent execution
✅ Pros / Advantages
- • Strong isolation via gVisor — battle-tested technology used in Google Cloud Run
- • MitM guardrails provide network-level control that most agent runtimes lack
- • Open-source with no licensing costs
- • Addresses a critical gap in AI agent security — most agents run with full user privileges
- • Suitable for enterprise environments where compliance and audit trails are mandatory
❌ Cons / Limitations
- • gVisor adds performance overhead — may not be suitable for compute-intensive agent tasks
- • Setup complexity — requires gVisor installation and configuration, which is non-trivial
- • Linux-only (gVisor does not support macOS or Windows natively)
- • Early-stage project with limited community and documentation
- • May require custom policy writing for non-standard agent workflows
💰 Pricing Plans
Free (Open Source)
Pricing details are gathered from public sources and are subject to change. Please visit the official website for real-time rates.
Last updated: July 2026 · 9bests editorial review
✅ Who should use CLRK
- • Strong isolation via gVisor — battle-tested technology used in Google Cloud Run
- • MitM guardrails provide network-level control that most agent runtimes lack
- • Open-source with no licensing costs
- • Addresses a critical gap in AI agent security — most agents run with full user privileges
- • Suitable for enterprise environments where compliance and audit trails are mandatory
⚠️ Who should look elsewhere
- • gVisor adds performance overhead — may not be suitable for compute-intensive agent tasks
- • Setup complexity — requires gVisor installation and configuration, which is non-trivial
- • Linux-only (gVisor does not support macOS or Windows natively)
- • Early-stage project with limited community and documentation
- • May require custom policy writing for non-standard agent workflows
🎯 Common use cases
Meeting summaries and notes
Inbox and task automation
Workflow orchestration
⚖️ CLRK vs Otter.ai
| CLRK | Otter.ai | |
|---|---|---|
| Rating | 3.75/5 | 4.4/5 |
| Pricing | Free (Open Source) | Free / $16.99/mo |
| Key strength | Strong isolation via gVisor — battle-tested technology used in Google Cloud Run | Real-time transcription |
See the full head-to-head in our CLRK vs Otter.ai comparison.
❓ Frequently asked questions
Is CLRK free?
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CLRK offers a free tier (Free (Open Source)). Paid plans unlock higher limits and advanced features.
What is CLRK best for?
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CLRK is best for Strong isolation via gVisor — battle-tested technology used in Google Cloud Run and MitM guardrails provide network-level control that most agent runtimes lack. Open-source agent runtime with gVisor sandboxing and MitM guardrails for secure AI agent execution
How does CLRK compare to Otter.ai?
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CLRK (3.75/5) and Otter.ai (4.4/5) serve overlapping needs. CLRK stands out for Strong isolation via gVisor — battle-tested technology used in Google Cloud Run, while Otter.ai is stronger at Real-time transcription. Choose based on your priority.
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