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 jackin-project/jackin-dev --skill jackin-goal-promptgit 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-goal-prompt)<a href="https://agentmods.dev/skills/jackin-project/jackin-dev/jackin-goal-prompt"><img src="https://agentmods.dev/badge/skills/jackin-project/jackin-dev/jackin-goal-prompt/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/jackin-project/jackin-dev/jackin-goal-prompt"><img src="https://agentmods.dev/badge/skills/jackin-project/jackin-dev/jackin-goal-prompt.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk 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 | $0.00046 | $0.01337 |
| Opus 5 | $0.00023 | $0.00668 |
| Sonnet 5 | $0.00009 | $0.00267 |
| Haiku 4.5 | $0.00005 | $0.00134 |
Grade A, and why
jackin-goal-prompt 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 10d 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 — 71 lines — stays where its author put it; the contents beside it link to each section on GitHub.
jackin-goal-prompt
Distill a roadmap item (and any plan files the operator hands you) into a single self-contained /goal prompt — one an executor agent with zero prior context can run to completion. The prompt is the product; its tightness decides whether the goal succeeds.
Capped at 4000 characters, hard. Structure borrowed from /improve's plans: self-contained, verification-gated, hard-boundaried. The skeleton that carries execution — objective, scope, verify gates, done criteria, STOP conditions — stays; everything the executor can read from files (code excerpts) or inherits from jackin❯'s auto-loaded rules (AGENTS.md, COMMITS.md, ENGINEERING.md) is pointed at, never restated.
Distinct from jackin-research: that authors a dossier brief (a multi-page prompt.mdx file run via /goal Follow). This produces a compact inline prompt run via /goal Implement or /goal Run.
When to use
- Operator asks for a goal prompt / wants to kick off
/goalon a roadmap item. - Operator has a roadmap item plus
/improveplan files and wants them fused into one runnable prompt.
When NOT to use
- Authoring a research dossier brief →
jackin-research. - Designing the roadmap item itself →
jackin-brainstorm. - Opening the PR →
jackin-create-pr/jackin-propose.
Arguments
<slug>— the roadmap item (slug, path, or the.mdx). Always required.--plan <path|glob>— plan markdown to fold in (a folder, a file, or a glob). Usually/improveoutput.
Process
-
Gather the change. Read the roadmap
.mdx. Anchor ontitle:and**Status**:only — real items drift from theProblem/Why/Design/Tasksscaffold, so tolerate any heading set. If--planis given, read every plan file and lift its scope, steps, verify commands, done criteria, and STOP conditions.Done when you can state, in two sentences, what this change builds and where its code lives.
-
Read the repo's real verification gates. The verify commands come from the repo, never invented. Pull them from
CONTRIBUTING.md(the merge-readiness block),.github/workflows/ci.yml, andmise.toml— for jackin❯ that iscargo fmt --check,cargo clippy --all-targets --all-features -- -D warnings,cargo nextest run --all-features, thee2eprofile, plus thebundocs gate whendocs/is touched.
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.
- 10d ago First seen · 71 lines · 46 tokens per session scan A b6657734102d
jackin-goal-prompt is a skill published in the GitHub repository jackin-project/jackin-dev (3 stars, last pushed 9d ago), licensed Apache-2.0. It adds 46 tokens to every session and 1,337 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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