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 getaero-io/gtm-eng-skills --skill deepline-plays-reviewgit clone --depth 1 https://github.com/getaero-io/gtm-eng-skillsWrote 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/getaero-io/gtm-eng-skills/deepline-plays-review)<a href="https://agentmods.dev/skills/getaero-io/gtm-eng-skills/deepline-plays-review"><img src="https://agentmods.dev/badge/skills/getaero-io/gtm-eng-skills/deepline-plays-review/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/getaero-io/gtm-eng-skills/deepline-plays-review"><img src="https://agentmods.dev/badge/skills/getaero-io/gtm-eng-skills/deepline-plays-review.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 Memory Poisoning · line 216 Skill injects content designed to persist in agent memory or context across interactions. Persistent injection can alter agent behavior long after the initial interaction.Fix: Do not allow untrusted input to persist in agent memory or context. Validate all content before storing and implement memory isolation between sessions.
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 | $0.00121 | $0.02834 |
| Opus 5 | $0.00060 | $0.01417 |
| Sonnet 5 | $0.00024 | $0.00567 |
| Haiku 4.5 | $0.00012 | $0.00283 |
Grade A, and why
deepline-plays-review scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 309 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Review and Improve Deepline Plays
Quick Start
npm install -g deepline
# Fallback for secure sandboxes: mkdir -p "$HOME/.local" && npm config set prefix "$HOME/.local" && export PATH="$HOME/.local/bin:$PATH" && npm install -g deepline --registry https://code.deepline.com/api/v2/npm/
deepline auth register --wait auto
deepline auth wait --timeout 120 # completes Cowork/browser approval; no-op if already connected
deepline auth status
deepline -h
CLI resolution
Run deepline when it is available. If the shell reports that command is missing, use <workspace-root>/.deepline/runtime/bin/deepline (or the npm-created .cmd shim on Windows). If neither exists, follow https://code.deepline.com/INSTALL.md to set up Deepline.
Improve a Play through one loop:
revision → run → assess → decide → next revision
Google Sheets is the human review surface. The Play revision, completed run, and durable dataset remain the execution record.
Route the request
| User intent | Start here |
|---|---|
| Put a run in a Sheet | Export the completed dataset for review |
| Address edits, notes, or comments | Read fresh feedback and run one revision |
| Make feedback a standing rule | Record a general expectation |
| Never regress on a corrected case | Add a case-specific expectation or golden case |
| Compare revisions | Evaluate both against one frozen basis |
| Try several improvements | Establish a bounded agent-driven loop |
| Keep improving together across turns | Resume the loop and yield after each candidate |
Stop at planning boundaries. When the user asks for a plan, classification, or proposed evaluation before any calls or edits, write it from the supplied context and stop. Do not inspect live Plays, runs, files, or tool contracts, even through read-only commands. That exploration cannot grant missing authority or define a budget; it turns a short planning turn into irrelevant archaeology and can accidentally start paid work. Resume discovery only after the user asks to proceed.
What ships with it
2 files 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.
- 12d ago First seen · 309 lines · 121 tokens per session scan A 378d6c6d5a31
deepline-plays-review is a skill published in the GitHub repository getaero-io/gtm-eng-skills (58 stars, last pushed yesterday), licensed MIT. It adds 121 tokens to every session and 2,834 once invoked, about $0.0006 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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