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 modimihir07/agentic-os --skill project-plannergit clone --depth 1 https://github.com/modimihir07/agentic-osWrote 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/modimihir07/agentic-os/project-planner)<a href="https://agentmods.dev/skills/modimihir07/agentic-os/project-planner"><img src="https://agentmods.dev/badge/skills/modimihir07/agentic-os/project-planner/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/modimihir07/agentic-os/project-planner"><img src="https://agentmods.dev/badge/skills/modimihir07/agentic-os/project-planner.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 | $0.00011 | $0.00205 |
| Opus 5.5 | $0.00004 | $0.00082 |
| Sonnet 5.5 | $0.00002 | $0.00041 |
| Haiku 4.5 | $0.00001 | $0.00020 |
Grade A, and why
project-planner 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 1mo 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
Project Planner
Description
Creates detailed implementation plans from high-level goals. Breaks work into bite-sized tasks with exact file paths, complete code templates, and verification steps.
When to Use
- Starting a new feature
- Planning a refactor
- Spec-driven development
- Before writing any significant code
Process
- Brainstorm and refine requirements
- Read standards/ for project conventions
- Create spec document with screens and data model
- Break into tasks (2-5 minutes each)
- Each task has: file path, code template, verification step
- Save spec and plan to context/
Output
Spec document + task plan + implementation order
Agent Assignment
- Primary: opencode
- Fallback: agy
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.
- 1mo ago First seen · 34 lines · 11 tokens per session scan A 696d2f66d708
project-planner is a skill published in the GitHub repository modimihir07/agentic-os (208 stars, last pushed 2d ago), licensed MIT. It adds 11 tokens to every session and 205 once invoked, about $0.0000 per session on Opus 5.5. 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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