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 skills/jasonkneen/kiro/task-breakdownnpx skills add jasonkneen/kiro --skill task-breakdowngit clone --depth 1 https://github.com/jasonkneen/kiroWrote 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/jasonkneen/kiro/task-breakdown)<a href="https://agentmods.dev/skills/jasonkneen/kiro/task-breakdown"><img src="https://agentmods.dev/badge/skills/jasonkneen/kiro/task-breakdown.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 5.1 | $0.00036 | $0.02566 |
| Opus 5 | $0.00018 | $0.01283 |
| Sonnet 5 | $0.00007 | $0.00513 |
| Haiku 4.5 | $0.00004 | $0.00257 |
Grade A, and why
task-breakdown 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 6d 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 — 413 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Task Breakdown
Transform designs into actionable implementation plans. This skill teaches how to create well-structured task lists that enable efficient, systematic development.
When to Use This Skill
Use task breakdown when:
- Design phase is complete and approved
- Ready to begin implementation
- Need to coordinate work across developers
- Want to track incremental progress
- Planning sprints or work assignments
Task Structure
Two-Level Hierarchy
- [ ] 1. [Epic/Major Component]
- [ ] 1.1 [Specific implementation task]
- [Implementation details]
- [Files/components to create]
- _Requirements: [Requirement references]_
- [ ] 1.2 [Next specific task]
- [Details]
- _Requirements: [References]_
- [ ] 2. [Next Epic/Major Component]
- [ ] 2.1 [Specific task]
Task Specification Elements
Each task should include:
- Clear Objective: What specific code to write/modify
- Implementation Details: Files, components, functions
- Requirements Reference: Which requirements this implements
- Completion Criteria: How to know the task is done
Step-by-Step Process
Step 1: Analyze Design Components
Identify all implementation needs:
- Data models and validation
- Services and business logic
- API endpoints and handlers
- UI components
- Tests for each layer
- Integration points
Step 2: Identify Dependencies
Map what needs to be built first:
- Technical: Code dependencies (models before services)
- Logical: Feature dependencies (login before profile)
- Data: What data must exist first
Step 3: Sequence Tasks
Order tasks to:
- Respect dependencies
- Enable early validation
- Allow incremental testing
- Minimize blocking between tasks
Step 4: Write Task Descriptions
For each task, specify:
- [ ] X.Y [Task Title]
- [What to implement]
- [Files to create/modify]
- [Key functionality]
- [Tests to write]
- _Requirements: [Req-1, Req-2]_
Sequencing Strategies
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.
- 6d ago First seen · 413 lines · 36 tokens per session scan A 5819254caa69
task-breakdown is a skill published in the GitHub repository jasonkneen/kiro (746 stars, last pushed 7mo ago), licensed MIT. It adds 36 tokens to every session and 2,566 once invoked, about $0.0002 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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