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/easyinplay/harnessed/plan-feature-decisionnpx skills add easyinplay/harnessed --skill plan-feature-decisiongit clone --depth 1 https://github.com/easyinplay/harnessedWrote 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/easyinplay/harnessed/plan-feature-decision)<a href="https://agentmods.dev/skills/easyinplay/harnessed/plan-feature-decision"><img src="https://agentmods.dev/badge/skills/easyinplay/harnessed/plan-feature-decision.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 5.1 | $0.00033 | $0.00164 |
| Opus 5 | $0.00016 | $0.00082 |
| Sonnet 5 | $0.00007 | $0.00033 |
| Haiku 4.5 | $0.00003 | $0.00016 |
Grade A, and why
plan-feature-decision 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 6d 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
Plan-feature: gstack-decision — STUB
Phase 3.2 D-03 WIRED reference implementation. Returns mock decision output for workflow runtime verification.
Stub behavior
This skill stub returns a mock result to simulate phase success transition:
{
"status": "ok",
"output": "<stub for plan-feature-decision>",
"decision": "mock-approved"
}
Phase 3.3+ dogfood: replace stub with actual {{ gstack_prefix }}office-hours spawn + decision capture.
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.
- 6d ago First seen · 24 lines · 33 tokens per session scan A cbf9d8c34497
plan-feature-decision is a skill published in the GitHub repository easyinplay/harnessed (2 stars, last pushed 10d ago), licensed Apache-2.0. It adds 33 tokens to every session and 164 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 2026-08-31.
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