Borrowing it
Nothing to install: this file belongs to lbruton/claude-context. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/lbruton/claude-context/master/.agents/skills/vault-update/SKILL.mdgit clone --depth 1 https://github.com/lbruton/claude-contextWrote 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/lbruton/claude-context/vault-update)<a href="https://agentmods.dev/skills/lbruton/claude-context/vault-update"><img src="https://agentmods.dev/badge/skills/lbruton/claude-context/vault-update/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/lbruton/claude-context/vault-update"><img src="https://agentmods.dev/badge/skills/lbruton/claude-context/vault-update.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00094 | $0.01165 |
| Opus 5.5 | $0.00038 | $0.00466 |
| Sonnet 5.5 | $0.00019 | $0.00233 |
| Haiku 4.5 | $0.00009 | $0.00117 |
Grade A, and why
vault-update scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Vault Update
Since DEVS-78 (2026-09-28), docs are split across three vaults. There is no central repo to commit to anymore. The old central vault is a frozen, read-only archive on the home Gitea (homelab/DocVault), not cloned locally by default.
Vault locations
Resolve paths with vault-path (installed at ~/.local/bin/vault-path, source Devops/scripts/vault-path.sh):
| Vault | Path | Holds | How edits land |
|---|---|---|---|
| Project | PROJECT_VAULT=$(vault-path project), i.e. <repo>/DocVault/ |
Overview, specs/, Research, Runbooks, curated pages for this project |
Edit inside the current worktree. The change rides the feature branch and PR. No separate commit or push. |
| Shared | SHARED_VAULT=$(vault-path shared), usually /Volumes/DATA/GitHub/Devops/DocVault/ |
KnowledgeBase (Infrastructure, Architecture, Skill/Agent Matrix), Runbooks, cross-project Research, Clippings, Reports | Commit directly to Devops main, paths under DocVault/ only. |
| Private companion | $(vault-path private), i.e. $SHARED_VAULT/Projects/<name>/ |
Anything from a public repo that can't be public: LAN IPs, internal hostnames, security reviews, dated audit/sweep/drift reports | Same as shared. |
vault-path project exits 2 when the repo has no DocVault/ yet. Scaffold it from $SHARED_VAULT/Templates/project-vault/README.md.
Which vault?
- Infrastructure, homelab, or anything cross-project → shared (
KnowledgeBase/Infrastructure/for hosts, stacks, IPs). - Project page with no sensitive detail → project vault.
- Project page that mentions LAN IPs, internal hosts, credentials locations or security findings, and the repo is public → private companion. Link to it from the public page by path; never copy it.
Check visibility when unsure: gh repo view --json visibility -q .visibility. Private repos (HomeNetwork, Devops) can take everything in their project vault.
How to update
Step 1: Find the page
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.
- 5d ago Changed f5c7d4afb070
- 9d ago Changed 8858eb9ff86f
- 11d ago First seen · 90 lines · 94 tokens per session scan A b804e6b542ca
vault-update is a skill published in the GitHub repository lbruton/claude-context (2 stars, last pushed 5d ago), licensed MIT. It adds 94 tokens to every session and 1,165 once invoked, about $0.0004 per session on Opus 5.5. 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 2026-10-17.
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