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 JKHeadley/instar --skill instar-projectgit clone --depth 1 https://github.com/JKHeadley/instarWrote 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/jkheadley/instar/instar-project)<a href="https://agentmods.dev/skills/jkheadley/instar/instar-project"><img src="https://agentmods.dev/badge/skills/jkheadley/instar/instar-project/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/jkheadley/instar/instar-project"><img src="https://agentmods.dev/badge/skills/jkheadley/instar/instar-project.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Data Exfiltration · line 36 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
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 | $0.00061 | $0.03700 |
| Opus 5 | $0.00030 | $0.01850 |
| Sonnet 5 | $0.00012 | $0.00740 |
| Haiku 4.5 | $0.00006 | $0.00370 |
Grade A, and why
instar-project scanned grade A with 1 finding 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 9d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -sS -X POST -H "Authorization: Bearer $AUTH" \ How it starts
The opening of the file, as written. The whole thing — 378 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/project — Multi-Spec Project Surface
Spec:
docs/specs/PROJECT-SCOPE-SPEC.md§ Phase 1.7. A project bundles many feature initiatives into rounds. The dashboard Projects tab, the session-start digest, and the compaction-recovery hook keep them visible. This skill is the user-invocable surface for inspecting and driving them.
Setup — read auth + port once
AUTH=$(python3 -c "import json; print(json.load(open('.instar/config.json')).get('authToken',''))" 2>/dev/null)
PORT=$(python3 -c "import json; print(json.load(open('.instar/config.json')).get('port',4040))" 2>/dev/null)
Every endpoint except /health requires Authorization: Bearer $AUTH.
/project create <plan-doc-path>
Register a new project from a plan-doc markdown file. The plan-doc
schema is PlanDocParser's contract (spec § Phase 1.6).
Pre-flight first (no rate-limit cost):
curl -sS -X POST -H "Authorization: Bearer $AUTH" \
-H "Content-Type: application/json" \
-d "{\"planDocPath\": \"$(realpath PLAN_DOC.md)\"}" \
"http://localhost:${PORT}/projects/validate"
Returns 200 {ok, project, children, errors}. Iterate until ok:true.
Then create:
curl -sS -X POST -H "Authorization: Bearer $AUTH" \
-H "Content-Type: application/json" \
-d "{\"planDocPath\": \"$(realpath PLAN_DOC.md)\"}" \
"http://localhost:${PORT}/projects"
201—{project, children}.400— validation failed; surface each error.409— slug already exists.429— rate-limited (5 creates/hour per auth token); body includeswindowEnds.
/project status [id]
No id — list all projects:
curl -sS -H "Authorization: Bearer $AUTH" "http://localhost:${PORT}/projects"
Render to user: id, title, per-round status summary (e.g. 2/4 complete, 1 in-progress, 1 pending).
With id — fetch the project plus its child items:
curl -sS -H "Authorization: Bearer $AUTH" "http://localhost:${PORT}/projects/<id>"
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.
- 9d ago First seen · 378 lines · 61 tokens per session scan A 5a7111d18f06
instar-project is a skill published in the GitHub repository JKHeadley/instar (79 stars, last pushed today), licensed MIT. It adds 61 tokens to every session and 3,700 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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