Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add simonrowland/goal-flight/plugin install goal-flightWrote 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/simonrowland/goal-flight/goal-flight)<a href="https://agentmods.dev/skills/simonrowland/goal-flight/goal-flight"><img src="https://agentmods.dev/badge/skills/simonrowland/goal-flight/goal-flight/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/simonrowland/goal-flight/goal-flight"><img src="https://agentmods.dev/badge/skills/simonrowland/goal-flight/goal-flight.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00039 | $0.10191 |
| Opus 5 | $0.00019 | $0.05096 |
| Sonnet 5 | $0.00008 | $0.02038 |
| Haiku 4.5 | $0.00004 | $0.01019 |
Grade A, and why
goal-flight 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 today.
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 — 627 lines — stays where its author put it; the contents beside it link to each section on GitHub.
⚠️ Read this skill end-to-end, including Worker Routing, State, and Context Discipline before acting; also read Do Not. The back half carries routing, state, marker, rate-limit, permission, and safety contracts.
Frontier-tier controllers: this core is complete; proceed on it alone. Other controllers — and any controller that catches itself about to violate a rule it just read — load protocols/guidance-extended.md before continuing. That file elaborates only (worked examples, expanded rationale); every rule and fact lives in this core, and any rule found only there must be moved back here.
This checked-in SKILL.md is compiled from docs/controller-behaviours.md and is the Claude Code-compatible wrapper for the portable core; keep front matter and allowed-tools compatible until generated wrappers own host bindings, tool names, invocation details, and packaging.
Activation Check
Is goal-flight active in this project? Run
python3 <skill-root>/scripts/goalflight_session_status.py --text before
auto-loading the rest of this skill. Verdict "no active goal-flight session"
→ you are NOT in a goal-flight run; do regular coding without loading the
back half. Load end-to-end only when the verdict is "active" or the user
explicitly invokes /goal-flight <command>.
<skill-root> = this repo when working in goal-flight itself; for downstream projects it is the installed skill checkout (see per-host pointers) — resolve it before running scripts.
Skill-freshness + designated-controller check. If a previous-invocation
reminder exists but you can't quote this preamble verbatim, reload via State's
canonical resume order before acting; then compare
scripts/goalflight_session_status.py --ensure-session with the active queue's
current_session.id: match → you are the designated orchestrator; mismatch →
surface to the user before claiming.
Extended: protocols/guidance-extended.md §activation-check
Per-host pointers
Per-host pointers tell non-native orchestrators where their installed wrapper lives.
If you are a non-Claude orchestrator (codex, grok, grok-bot, cursor, opencode), load your
host wrapper first, then root SKILL.md as canonical workflow:
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.
- today Changed · +14 lines 3ae774a0934f
- 3d ago Changed · +38 lines a1afbfffb020
- 4d ago Changed · -32 lines · +14 tokens per session 8b9d5891d90f
- 5d ago Changed · +58 lines ff465d717b77
- 9d ago First seen · 549 lines · 25 tokens per session scan A 119d7ed56a54
goal-flight is a skill published in the GitHub repository simonrowland/goal-flight (20 stars, last pushed yesterday), licensed MIT. It adds 39 tokens to every session and 10,191 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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