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.
git clone --depth 1 https://github.com/MichelKerkmeester/skilled-agent-harness_spec-driven-loopsWrote 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/commands/michelkerkmeester/skilled-agent-harness_spec-driven-loops/goal-cursor)<a href="https://agentmods.dev/commands/michelkerkmeester/skilled-agent-harness_spec-driven-loops/goal-cursor"><img src="https://agentmods.dev/badge/commands/michelkerkmeester/skilled-agent-harness_spec-driven-loops/goal-cursor/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/commands/michelkerkmeester/skilled-agent-harness_spec-driven-loops/goal-cursor"><img src="https://agentmods.dev/badge/commands/michelkerkmeester/skilled-agent-harness_spec-driven-loops/goal-cursor.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 | $0.00014 | $0.00314 |
| Opus 5 | $0.00007 | $0.00157 |
| Sonnet 5 | $0.00003 | $0.00063 |
| Haiku 4.5 | $0.00001 | $0.00031 |
Grade A, and why
goal-cursor 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 8d 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
/goal-cursor
1. PURPOSE
Cursor's sessionStart hook receives a native session_id and can safely read that session's scoped goal. Cursor's prompt-command surface does not expose the same identity, so management is intentionally unsupported. Calling the global CLI without an explicit binding would reintroduce ambiguous ownership.
2. CONTRACT
Inputs: $ARGUMENTS — any goal action.
Output: STATUS=FAIL ACTION=show ERROR="Cursor command lacks native session identity" and code=UNSUPPORTED_SESSION_BINDING.
3. INSTRUCTIONS
Do not run tools or mutate goal state. Print:
STATUS=FAIL ACTION=show ERROR="Cursor command lacks native session identity"
code=UNSUPPORTED_SESSION_BINDING
Explain that Cursor injection is session-scoped, but management remains disabled until Cursor exposes the hook's native identity to commands.
4. HARD RULES
- Do not edit
.opencode/skills/.state/goaldirectly. - Do not call
bin/goal.cjswithout explicit native runtime and session binding. - Do not run shell commands derived from the goal objective.
- Do not claim that
$ARGUMENTScarries the current Cursor session 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.
- 8d ago First seen · 40 lines · 14 tokens per session scan A d6858381ae78
goal-cursor is a command published in the GitHub repository MichelKerkmeester/skilled-agent-harness_spec-driven-loops (35 stars, last pushed yesterday), licensed MIT. It adds 14 tokens to every session and 314 once invoked, about $0.0001 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 2026-09-03.
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