ClawVault is a security vault for controlling how AI agents access private files, credentials, API keys, and other sensitive data. It is for people who want to monitor agent activity, record interactions with protected assets, detect injection attacks, and restrict access through fine-grained capabilities. The catalogue skills support operating and managing this vault.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add tophant-ai/ClawVault --skill tophant-clawvault-mask-projectgit clone --depth 1 https://github.com/tophant-ai/ClawVaultWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/tophant-ai/clawvault/tophant-clawvault-mask-project)<a href="https://agentmods.dev/skills/tophant-ai/clawvault/tophant-clawvault-mask-project"><img src="https://agentmods.dev/badge/skills/tophant-ai/clawvault/tophant-clawvault-mask-project/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/tophant-ai/clawvault/tophant-clawvault-mask-project"><img src="https://agentmods.dev/badge/skills/tophant-ai/clawvault/tophant-clawvault-mask-project.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 107 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00017 | $0.00790 |
| Opus 5 | $0.00009 | $0.00395 |
| Sonnet 5 | $0.00003 | $0.00158 |
| Haiku 4.5 | $0.00002 | $0.00079 |
Grade A, and why
tophant-clawvault-mask-project scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 13d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 109 lines — stays where its author put it; the contents beside it link to each section on GitHub.
ClawVault Project Document Masking
Use this skill when a user asks to analyze a local company or project document only after ClawVault checks and desensitizes it.
Example User Request
Please analyze project.txt. It is a company project document, so use @clawvault to check and mask it first.
Required Safety Flow
When the user requests ClawVault masking before analysis:
- Do not directly read the original file for analysis.
- Run this skill first against the user-specified file.
- Analyze only the returned
sanitized_contentor the file written by--output. - Do not quote, summarize, or expose original sensitive values.
- Do not restore numbered placeholders such as
[mask_1]to original values.
This skill masks sensitive business values with numbered non-reversible placeholders such as [mask_1], [mask_2], and [mask_3]. It does not create a reversible mapping.
Commands
/tophant-clawvault-mask-project generate-policy
Generate the default company-project masking policy.
/tophant-clawvault-mask-project generate-policy
/tophant-clawvault-mask-project generate-policy --save-policy /tmp/clawvault-policy.json
/tophant-clawvault-mask-project mask-file
Mask a local document and return JSON containing sanitized content.
/tophant-clawvault-mask-project mask-file project.txt
/tophant-clawvault-mask-project mask-file project.txt --output project.masked.txt
/tophant-clawvault-mask-project mask-file project.txt --policy /tmp/clawvault-policy.json
/tophant-clawvault-mask-project mask-file project.txt --save-policy /tmp/clawvault-policy.json
What Gets Masked
The default policy targets:
- Company names with common Chinese or English organization suffixes.
- Project amount values, especially after labels such as
Project Amount,Contract Amount,Budget,项目金额,合同金额, or预算. - Contextual person names after labels such as
Project Manager,Contact,Owner,负责人,联系人, or项目经理.
For label-introduced values, the label is preserved and only the sensitive value is masked.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 13d ago First seen · 109 lines · 17 tokens per session scan A 335356ac1fef
tophant-clawvault-mask-project is a skill published in the GitHub repository tophant-ai/ClawVault (1,079 stars, last pushed 23d ago), licensed MIT. It adds 17 tokens to every session and 790 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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