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/jackin-project/jackin-dev/jackin-proposenpx skills add jackin-project/jackin-dev --skill jackin-proposegit clone --depth 1 https://github.com/jackin-project/jackin-devWrote 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/jackin-project/jackin-dev/jackin-propose)<a href="https://agentmods.dev/skills/jackin-project/jackin-dev/jackin-propose"><img src="https://agentmods.dev/badge/skills/jackin-project/jackin-dev/jackin-propose.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 | $0.00038 | $0.00816 |
| Opus 5 | $0.00019 | $0.00408 |
| Sonnet 5 | $0.00008 | $0.00163 |
| Haiku 4.5 | $0.00004 | $0.00082 |
Grade A, and why
jackin-propose 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 4d 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 — 50 lines — stays where its author put it; the contents beside it link to each section on GitHub.
jackin-propose
Turn a feature, improvement, or problem into a tracked roadmap item and an early PR. This skill never writes code — it collects everything for the roadmap item, opens the PR, and stops. Implementation is always a separate later step (/goal Implement <slug>.md).
jackin❯ rule files auto-load — BRANCHING.md, COMMITS.md, PULL_REQUESTS.md, docs/ rules, TODO.md (roadmap conventions). This skill sequences them.
When to use
- Operator runs
jackin-propose <idea or problem>. - Feature/idea worth a roadmap item.
When NOT to use
- Small fix (typo, dep bump, one-liner) →
jackin-create-pr. - Designing an existing item →
jackin-brainstorm. Implementing one →/goal Implement <slug>.md.
Arguments
--branch <name>/--auto-branch— explicit / self-chosen branch name.--no-pr— branch + roadmap draft only, no PR (rare; default opens a PR).--research— rundeep-researchfirst and fold a short summary into the draft.
Process
- Branch. Never commit to
main. Derive afeature/<slug>name (orfix//refactor//chore/per change type) from the idea; suggest and confirm unless--auto-branch/--branchgiven. - (optional) Research. On
--research, run the built-indeep-researchskill and summarize findings into the draft. For large research, preferjackin-research. - Scaffold the roadmap item. Run
cargo xtask change new <slug> --group <group>— it createsdocs/content/docs/roadmap/<slug>.mdx(**Status**: Open,## Problem,## Why It Matters,## Design,## Tasks,## Related Files) and registers it in the chosen group's Fumadocsmeta.json. Pick the--groupfrom the existing roadmap groups. Then fill Problem / Why It Matters from the idea text, and runcargo xtask roadmap audit. - Commit + push.
docs:type, DCO-s, thengit push. - Open the PR. Unless
--no-pr, build and open the PR withcreate-prmechanics — Summary = the idea, What ships = "roadmap item draft for<slug>", Verify = docs render. - Stop. Point the operator at the next step:
jackin-brainstorm <slug>to fill## Design. Do not implement.
What ships with it
1 file 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.
- 4d ago First seen · 50 lines · 38 tokens per session scan A 57f86f3654b3
jackin-propose is a skill published in the GitHub repository jackin-project/jackin-dev (3 stars, last pushed 3d ago), licensed Apache-2.0. It adds 38 tokens to every session and 816 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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