Put a Lobster Between Your AI and Its APIs
ClawVault is a transparent proxy that sits between your AI agents and external APIs to intercept leaked secrets, prompt injections, and dangerous commands before they escape.

What it does
ClawVault runs as a transparent proxy gateway between your AI tools and external APIs like OpenAI or Anthropic. It inspects outbound traffic for sensitive data leaks—API keys, passwords, PII, credit cards, and more than a dozen other patterns—and can auto-sanitize them by replacing secrets with placeholders before they leave the wire. It also logs access, enforces token budgets, and offers a web dashboard to configure per-agent rules and review interception records.
The interesting bit
Instead of static configuration files, the project frames security policies as composable “atomic capabilities” that stack like building blocks; you can even describe a rule in natural language via a chat interface and have the system attempt to generate and enforce it. The whole thing is wrapped in a slightly unhinged “Security Lobster” brand that notifies you when an agent touches your vault.
Key highlights
- Transparent proxy intercepts traffic to major LLM APIs without requiring client rewrites
- Detects 15+ sensitive data patterns and auto-sanitizes them, restoring values on the response path
- Blocks prompt injection, role hijacking, and dangerous shell commands like
rm -rforcurl | bash - Supports natural-language policy generation: describe constraints in chat and the system builds the rule
- SQLite-backed audit log with daily/monthly token budgets and real-time cost alerts
Caveats
- File-side monitoring, full agent-level atomic control, and generative policy orchestration are all marked as work-in-progress
- The documentation emphasizes installation as an OpenClaw Skill; standalone Python usage exists but feels like a secondary path
Verdict
Evaluate it if you run local or self-hosted AI agents that touch customer data or execute generated code, and you want a single-node gatekeeper with a web UI. Skip it if you need mature file-system monitoring today or already have enterprise API security layers.
Frequently asked
- What is tophant-ai/ClawVault?
- ClawVault is a transparent proxy that sits between your AI agents and external APIs to intercept leaked secrets, prompt injections, and dangerous commands before they escape.
- Is ClawVault open source?
- Yes — tophant-ai/ClawVault is open source, released under the MIT license.
- What language is ClawVault written in?
- tophant-ai/ClawVault is primarily written in Python.
- How popular is ClawVault?
- tophant-ai/ClawVault has 1.2k stars on GitHub.
- Where can I find ClawVault?
- tophant-ai/ClawVault is on GitHub at https://github.com/tophant-ai/ClawVault.