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 yeaight7/agent-powerups --skill using-powerupsgit clone --depth 1 https://github.com/yeaight7/agent-powerupsWrote 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/yeaight7/agent-powerups/using-powerups)<a href="https://agentmods.dev/skills/yeaight7/agent-powerups/using-powerups"><img src="https://agentmods.dev/badge/skills/yeaight7/agent-powerups/using-powerups/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/yeaight7/agent-powerups/using-powerups"><img src="https://agentmods.dev/badge/skills/yeaight7/agent-powerups/using-powerups.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 | $0.00043 | $0.01145 |
| Opus 5 | $0.00022 | $0.00573 |
| Sonnet 5 | $0.00009 | $0.00229 |
| Haiku 4.5 | $0.00004 | $0.00114 |
Grade A, and why
using-powerups 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 yesterday.
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 — 127 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Using Powerups
Purpose
Find and apply installed Agent Powerups before improvising. A powerup is useful only after you discover likely matches, inspect the actual asset, follow its instructions, and verify the user task with task-specific evidence.
When to Use
Use at the start of non-trivial work, and again when the task changes shape.
Use when the user asks for debugging, planning, review, setup, file intake, cleanup, PR triage, second opinions, MCP config, hooks, commands, or AGENTS.md templates.
Do not force a powerup when none fits. Say no matching powerup applies and proceed normally.
Inputs
- User task.
- Current repo or agent root.
- Installed
agent-powerupslocation, usuallyagent-powerups/under the agent root or the package repo. - Optional CLI access to
apxfor discovery and inventory. - Optional installed discovery index file; treat it as a derived snapshot, not the source of truth.
Workflow
- Discover or match available assets.
Use target-specific routing:
- Claude Code: start with native skill discovery when skills are already exposed by the host. Use
apx discoverwhen the task is uncertain, when no native skill clearly fits, or when the task may need non-skill assets. - Codex, Gemini, and generic agents: start with
apx discover. - All targets: use
apx inventoryfor MCP configs, hooks, AGENTS.md templates, plugin-contained assets, staged assets, and installed-only assets.
apx discover "<user task>" --target <codex|claude-code|gemini|generic>
apx inventory --target <codex|claude-code|gemini|generic> --json
apx list --json --verbose
apx plugins list
If apx is unavailable, inspect local folders: skills/, commands/, mcp/, agents-md/, hooks/, workflows/.
- Match the task to assets.
Prefer the narrowest high-ranked asset whose description matches the current task. Treat apx discover output as a shortlist, not as proof that a powerup has been used.
Examples:
| Task signal | Asset type to inspect |
|---|---|
| bug, failing test, regression | debugging skill |
| implementation spec | planning skill |
| file or URL intake | file-intake skill |
| pre-handoff validation | command |
| local MCP setup | MCP config |
| repo instruction baseline | AGENTS.md template |
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.
- yesterday First seen · 127 lines · 43 tokens per session scan A e2ec2900e994
using-powerups is a skill published in the GitHub repository yeaight7/agent-powerups (6 stars, last pushed 2d ago), licensed Apache-2.0. It adds 43 tokens to every session and 1,145 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 2026-09-14.
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