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 paulo-yamagishi/claude-code-setup --skill add-project-guidegit clone --depth 1 https://github.com/paulo-yamagishi/claude-code-setupWrote 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/paulo-yamagishi/claude-code-setup/add-project-guide)<a href="https://agentmods.dev/skills/paulo-yamagishi/claude-code-setup/add-project-guide"><img src="https://agentmods.dev/badge/skills/paulo-yamagishi/claude-code-setup/add-project-guide/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/paulo-yamagishi/claude-code-setup/add-project-guide"><img src="https://agentmods.dev/badge/skills/paulo-yamagishi/claude-code-setup/add-project-guide.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 | $0.00014 | $0.00425 |
| Opus 5 | $0.00007 | $0.00212 |
| Sonnet 5 | $0.00003 | $0.00085 |
| Haiku 4.5 | $0.00001 | $0.00042 |
Grade A, and why
add-project-guide 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 9d 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.
What it actually says
Add Project Guide
Create a new projects/{stack}/ directory with guide and templates for the language/stack specified in $ARGUMENTS.
Steps
-
Validate: Confirm
projects/$ARGUMENTS/does not already exist. If it does, report and stop. -
Study existing project guide: Read the contents of one existing project directory (prefer
projects/python/orprojects/typescript/) to extract the pattern:guide.md— stack-specific tooling, conventions, common commands, tipsCLAUDE.md.template— project instructions template with<!-- CUSTOMIZE -->markerssettings.json.template— settings with stack-appropriate permissions and hooks
-
Generate
projects/$ARGUMENTS/guide.md:- Follow the same structure as the reference guide
- Include stack-specific: package manager, test runner, linter, formatter, build tool
- Include common commands and conventions for the stack
- Add cross-references to relevant core guides
- Keep under 300 lines
-
Generate
projects/$ARGUMENTS/CLAUDE.md.template:- Use
<!-- CUSTOMIZE -->markers for project-specific values - Include stack-appropriate sections: commands, code style, testing conventions
- Follow the structure from the reference template
- Use
-
Generate
projects/$ARGUMENTS/settings.json.template:- Include stack-appropriate permission patterns (test, lint, format, build commands)
- Include appropriate hooks (format-on-save using the stack's formatter)
- All JSON must be valid — no comments, no trailing commas
-
Verify: Re-read all generated files and confirm valid JSON, correct structure, under 300 lines each.
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.
- 9d ago First seen · 43 lines · 14 tokens per session scan A ee136012a3be
add-project-guide is a skill published in the GitHub repository paulo-yamagishi/claude-code-setup (2 stars, last pushed 7mo ago), licensed MIT. It adds 14 tokens to every session and 425 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 2026-08-31.
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