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 commands/xyzbit/claude-plugins/requirement-developgit clone --depth 1 https://github.com/xyzbit/claude-pluginsWhat 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 | $0.00014 | $0.00274 |
| Opus 5 | $0.00007 | $0.00137 |
| Sonnet 5 | $0.00003 | $0.00055 |
| Haiku 4.5 | $0.00001 | $0.00027 |
Grade A, and why
requirement-develop 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 2d 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
Requirement Develop
启动 Long-Running Agent 开发模式。这是一个基于 Anthropic 论文《Effective Harnesses for Long-Running Agents》设计的自动化开发模式。
Agent 将自动判断当前状态并选择合适的工作流程。
执行流程
第一步：判断项目状态
检查当前目录是否存在 feature_list.json：
ls feature_list.json 2>/dev/null && echo "EXISTS" || echo "NEW_PROJECT"
第二步：选择代理模式
全新项目（feature_list.json 不存在）
默认使用 Initializer Agent 子代理进行初始化项目。 如果用户明确说明了不使用项目模版，则使用 Initializer-NoTemp Agent 子代理进行初始化项目。
已有项目（feature_list.json 存在）
使用 Coding Agent 子代理进行增量开发。
注意事项
- 所有状态管理、提交、测试均由 Agent 自动完成，无需用户手动执行
- 如需中途查看进度，可以直接询问 Agent 当前状态
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.
- 2d ago First seen · 37 lines · 14 tokens per session scan A 5476a1dbc1cf
requirement-develop is a command published in the GitHub repository xyzbit/claude-plugins (27 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 14 tokens to every session and 274 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 2026-08-30.
Other commands, from other repositories
checklist
Generate a custom checklist for the current feature based on user requirements.
clarify
Identify underspecified areas in the current feature spec by asking up to 5 highly targeted clarification questions and encoding answers back into the spec.
specify
Create or update the feature specification from a natural language feature description.
analyze
Perform a non-destructive cross-artifact consistency and quality analysis across spec.md, plan.md, and tasks.md after task generation.
converge
Assess the current codebase against the feature's spec, plan, and tasks, then append any remaining unbuilt work as new tasks to tasks.md so implement can complete it.
implement
Execute the implementation plan by processing and executing all tasks defined in tasks.md.