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 Infrasity-Labs/dev-gtm-claude-skills --skill claude-md-startergit clone --depth 1 https://github.com/Infrasity-Labs/dev-gtm-claude-skillsWrote 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/infrasity-labs/dev-gtm-claude-skills/claude-md-starter)<a href="https://agentmods.dev/skills/infrasity-labs/dev-gtm-claude-skills/claude-md-starter"><img src="https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/claude-md-starter/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/infrasity-labs/dev-gtm-claude-skills/claude-md-starter"><img src="https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/claude-md-starter.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00154 | $0.01959 |
| Opus 5 | $0.00077 | $0.00979 |
| Sonnet 5 | $0.00031 | $0.00392 |
| Haiku 4.5 | $0.00015 | $0.00196 |
Grade A, and why
claude-md-starter 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.
How it starts
The opening of the file, as written. The whole thing — 181 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Claude.md Starter — Project Context Generator
Scans the repo, infers the tech stack and conventions, asks at most 3 targeted questions, and writes a populated CLAUDE.md that gives Claude full project context from session one.
Invocation Triggers
Explicit:
- "create a CLAUDE.md"
- "my CLAUDE.md is blank"
- "generate project context"
- "initialize CLAUDE.md"
- "set up Claude context for this repo"
- "fill in my CLAUDE.md"
- "run the claude-md-starter skill"
Implicit:
- User pastes a near-empty CLAUDE.md and asks Claude to populate it
- User keeps re-explaining the same project context at the start of sessions
Run immediately when triggered — no upfront questions before scanning.
Workflow (6 Nodes)
| Node | Role |
|---|---|
| 1 — Detect | Check if CLAUDE.md exists and measure content length |
| 2 — Scan | Read signal files from the project root (see references/scan-signals.md) |
| 3 — Infer | Draft all sections that can be derived from scanned signals |
| 4 — Grill-me | Ask at most 3 questions for what cannot be inferred |
| 5 — Generate | Write the full CLAUDE.md using the template in references/claude-md-template.md |
| 6 — Validate | Confirm required sections are present and non-placeholder |
Node 1 — Detect
Check for CLAUDE.md at the project root.
If not found: Proceed directly to Node 2.
If found and has ≤ 200 characters: Treat as blank — proceed to Node 2.
If found and has > 200 characters: Run the diff-and-merge flow before writing:
-
Read the existing file
-
Complete Nodes 2–4 to produce the generated version
-
Compare section by section — for each of the 8 required sections, classify as:
- NEW — exists in generated, absent or empty in existing
- ENHANCED — both versions have content; generated version adds more
- SAME — both versions have equivalent content
- CONFLICT — both versions have different non-empty content
-
Present a diff summary table:
Section | Existing | Generated | Action
---------------------|----------|-----------|-------
Project Overview | present | enhanced | +additions available
Tech Stack | absent | new | will add
Commands | present | enhanced | +2 commands found
Architecture | absent | new | will add
Code Conventions | present | same | no change
Testing | absent | new | will add
What NOT To Do | absent | new | will add
Environment Setup | absent | new | will add
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.
- 9d ago First seen · 181 lines · 154 tokens per session scan A 989105fe7eb6
claude-md-starter is a skill published in the GitHub repository Infrasity-Labs/dev-gtm-claude-skills (124 stars, last pushed 2mo ago), licensed MIT. It adds 154 tokens to every session and 1,959 once invoked, about $0.0008 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 2026-09-03.
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