Borrowing it
Nothing to install: this file belongs to lemon-etvibe/prompt-vault. 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/lemon-etvibe/prompt-vault/main/CLAUDE.mdgit clone --depth 1 https://github.com/lemon-etvibe/prompt-vaultWrote 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/instructions/lemon-etvibe/prompt-vault/claude-md)<a href="https://agentmods.dev/instructions/lemon-etvibe/prompt-vault/claude-md"><img src="https://agentmods.dev/badge/instructions/lemon-etvibe/prompt-vault/claude-md/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/instructions/lemon-etvibe/prompt-vault/claude-md"><img src="https://agentmods.dev/badge/instructions/lemon-etvibe/prompt-vault/claude-md.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 | $0.00737 | $0.00737 |
| Opus 5 | $0.00368 | $0.00368 |
| Sonnet 5 | $0.00147 | $0.00147 |
| Haiku 4.5 | $0.00074 | $0.00074 |
Grade A, and why
prompt-vault CLAUDE.md 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 10d 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 — 65 lines — stays where its author put it; the contents beside it link to each section on GitHub.
prompt-vault — Claude Code Plugin
Overview
A Claude Code plugin that systematically logs user prompts and Claude's execution results for each phase during project development, preserving progress state even through context compactions.
Design Philosophy
- A vault that safely stores prompts and work history — protects progress state even when context is compacted
- Reusable plugin form for all projects
- Logs stored in project's
.local/logs/(excluded from git tracking)
File Structure and Roles
| File | Role |
|---|---|
.claude-plugin/plugin.json |
Plugin manifest (name, version, description) |
skills/init/SKILL.md |
/prompt-vault:init — Initialize logging environment (.local/logs, .gitignore, CLAUDE.md, .config) |
skills/log/SKILL.md |
/prompt-vault:log [title] — Record completed work as phase-NNN.md |
skills/status/SKILL.md |
/prompt-vault:status — Show progress summary based on _index.md |
skills/report/SKILL.md |
/prompt-vault:report — Visualize phase logs as HTML reports |
hooks/hooks.json |
Stop (context warning), PreCompact (checkpoint), SessionStart (restore) hooks |
scripts/context-check.sh |
Stop hook — estimate context usage via transcript size, warn at 80% |
scripts/pre-compact.sh |
PreCompact hook — record compaction timestamp/phase count |
scripts/post-compact.sh |
SessionStart hook — re-inject _index.md + latest phase after compaction |
scripts/generate-report.sh |
Report generation shell script (zero token cost) |
templates/phase.md |
Phase log template |
templates/index.md |
_index.md initial template |
templates/claude-md-snippet.md |
Logging protocol snippet for target project's CLAUDE.md |
templates/report-summary.html |
Summary dashboard HTML template |
templates/report-detail.html |
Detailed chat log HTML template |
data/palettes.json |
Curated 5-color palette sets |
Generated Structure in Target Project
project/
├── .local/
│ └── logs/
│ ├── .config # Model/threshold settings
│ ├── _index.md # Phase index table
│ ├── phase-001.md # Individual phase logs
│ ├── phase-002.md
│ ├── compaction.log # Auto-compaction history
│ ├── report-summary.html # Summary dashboard (auto-generated)
│ └── report-detail.html # Detailed chat log (auto-generated)
├── .gitignore # .local/ added
└── CLAUDE.md # Logging protocol section added
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.
- 10d ago First seen · 65 lines · 737 tokens per session scan A f85fab827244
prompt-vault CLAUDE.md is an instructions file published in the GitHub repository lemon-etvibe/prompt-vault (2 stars, last pushed 5mo ago), licensed MIT. It adds 737 tokens to every session, about $0.0037 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 2026-08-31.
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