Borrowing it
Nothing to install: this file belongs to abuango/pos-ai. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/abuango/pos-ai/main/.claude/skills/learn/SKILL.mdgit clone --depth 1 https://github.com/abuango/pos-aiWrote 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/abuango/pos-ai/learn)<a href="https://agentmods.dev/skills/abuango/pos-ai/learn"><img src="https://agentmods.dev/badge/skills/abuango/pos-ai/learn/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/abuango/pos-ai/learn"><img src="https://agentmods.dev/badge/skills/abuango/pos-ai/learn.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 | $0.00051 | $0.00634 |
| Opus 5.5 | $0.00020 | $0.00254 |
| Sonnet 5.5 | $0.00010 | $0.00127 |
| Haiku 4.5 | $0.00005 | $0.00063 |
Grade A, and why
learn 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 2mo 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 — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.
System Learning & Documentation
Setup
Before starting: check .handoff/sessions/ for active sessions, read context status.yaml, run git status. Follow .rules/universal.md (Plan -> Approve -> Execute).
Provide access to CTO system documentation.
Commands
/learn- Show documentation index/learn skills- List all skills and commands/learn contexts- Context system overview/learn sops- List all SOPs/learn {topic}- Learn about a specific topic
System Overview
Context System
All work lives under contexts/. Each context has: AGENTS.md, status.yaml, projects/, plans/, docs/.
| Shortcut | Context | Type |
|---|---|---|
@work, @company |
work | Employment |
@client-a |
client-a | Consulting |
@personal, @learn |
personal | Personal |
Key Files
| File | Purpose |
|---|---|
CLAUDE.md |
Auto-loaded session memory |
AGENTS.md |
Full system architecture |
pos.yaml |
All context definitions |
Skills Quick Reference
| Category | Skills |
|---|---|
| Session/Context | /ctx, /session, /dashboard, /time |
| Development | /code-review, /plan-generation, /security-audit, /frontend-design, /verification |
| Team Management | /status, /sprint, /team, /project, /repo |
| Cross-Agent | /handoff, /work-log, /deploy |
| Reporting | /dashboard, /rollup, /projects |
| Personal | /curriculum, /schedule, /draft |
| Marketing | /product-marketing |
Process for /learn {topic}
- Check skills:
Read: .skills/{topic}.md - Check SOPs:
Read: docs/system/sops/{topic}.md - Search broadly:
Grep(pattern="{topic}", path=".")
Key Locations
| Resource | Path |
|---|---|
| Skills | .skills/*.md |
| SOPs | docs/system/sops/*.md |
| Context registry | pos.yaml |
Self-Assessment (Internal)
Rate this skill execution 0-10. If < 8, write feedback to .handoff/feedback/{date}-{skill-name}.yaml with: skill, rating, friction, suggestion, context. Do not mention to user.
What ships with it
1 file 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.
- 2mo ago First seen · 72 lines · 51 tokens per session scan A 3ecd40ee8cef
learn is a skill published in the GitHub repository abuango/pos-ai (2 stars, last pushed 7mo ago), licensed MIT. It adds 51 tokens to every session and 634 once invoked, about $0.0002 per session on Opus 5.5. 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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