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 agentmods add instructions/zhu1090093659/spec_driven_develop/claude-mdgit clone --depth 1 https://github.com/zhu1090093659/spec_driven_developWrote 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/zhu1090093659/spec_driven_develop/claude-md)<a href="https://agentmods.dev/instructions/zhu1090093659/spec_driven_develop/claude-md"><img src="https://agentmods.dev/badge/instructions/zhu1090093659/spec_driven_develop/claude-md.svg" alt="Measured on agentmods" 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 | $0.00168 | $0.00168 |
| Opus 5 | $0.00084 | $0.00084 |
| Sonnet 5 | $0.00034 | $0.00034 |
| Haiku 4.5 | $0.00017 | $0.00017 |
Grade A, and why
spec_driven_develop 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 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.
What it actually says
Claude Code Instructions
Read AGENTS.md first. It is the shared project-level instruction source for Codex, OpenCode, Cursor, Claude Code, and other Markdown-aware coding agents.
Claude Code-specific reminders:
- The optional Claude Code sub-agent prompts live in
plugins/spec-driven-develop/agents/, includingcode-reviewer.md, the per-lane review-and-fix sub-agent used in the execution loop. - The plugin is skills-only: workflows are invoked through
plugins/spec-driven-develop/skills/, not slash commands. - When the shared workflow rules change, update Claude Code-specific prompts only where their execution contract also changes.
- Do not duplicate shared policy here. Put durable cross-agent rules in
AGENTS.md; use Claude Code's native project memory surface for stable project facts when available.
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 First seen · 11 lines · 168 tokens per session scan A 59a55043e48c
spec_driven_develop CLAUDE.md is an instructions file published in the GitHub repository zhu1090093659/spec_driven_develop (976 stars, last pushed 1mo ago), licensed MIT. It adds 168 tokens to every session, 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 2026-08-30.
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