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 theshubh007/agent-skill-finder --skill write-a-skillgit clone --depth 1 https://github.com/theshubh007/agent-skill-finderWrote 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/theshubh007/agent-skill-finder/write-a-skill)<a href="https://agentmods.dev/skills/theshubh007/agent-skill-finder/write-a-skill"><img src="https://agentmods.dev/badge/skills/theshubh007/agent-skill-finder/write-a-skill/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/theshubh007/agent-skill-finder/write-a-skill"><img src="https://agentmods.dev/badge/skills/theshubh007/agent-skill-finder/write-a-skill.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 | $0.00068 | $0.00929 |
| Opus 5 | $0.00034 | $0.00464 |
| Sonnet 5 | $0.00014 | $0.00186 |
| Haiku 4.5 | $0.00007 | $0.00093 |
Grade A, and why
Skill Authoring Assistant 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 10d 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 — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Process
Step 1 — Gather Requirements
Ask the user:
- What task or domain does this skill cover?
- What specific use cases must it handle?
- Does it need executable scripts or instructions only?
- Are there reference materials to incorporate?
Step 2 — Draft the Skill
Produce:
SKILL.md— concise instructions (target under 100 lines)REFERENCE.md— detailed documentation if content exceeds 500 linesscripts/— utility scripts for deterministic, repeatable operations
Step 3 — Review With User
Present the draft and ask:
- Does this cover all intended use cases?
- Is anything missing or ambiguous?
- Should any section be expanded or reduced?
Directory Structure
skill-name/
├── SKILL.md # Primary instructions (required)
├── REFERENCE.md # Extended documentation (if needed)
├── EXAMPLES.md # Worked examples (if needed)
└── scripts/ # Utility scripts (if needed)
└── helper.js
SKILL.md Template
---
id: skill-name
name: Human-Readable Skill Name
version: 1.0.0
description: >
One-paragraph capability description. Specific enough for BM25 routing.
Use when [explicit trigger conditions].
capability:
type: data-transform|code-execution|retrieval|agentic-pipeline|ml-inference
inputs: [...]
outputs: [...]
graph:
depends_on: []
complements: [...]
co_used_with: [...]
compatibility:
claude_code: true
gemini: true
mcp: true
risk: safe|network|exec|critical|unsafe
---
## Quick Start
[Minimal working example]
## Workflows
[Step-by-step processes with checklists for complex tasks]
## Advanced Features
See REFERENCE.md
Description Requirements
The description field is the sole routing signal — the agent reads it to decide whether to load this skill. It must be specific enough to distinguish this skill from all others.
Requirements:
- Maximum 1024 characters
- Written in third person
- First sentence: what the skill does
- Second sentence: "Use when [specific triggers, keywords, file types, or user phrases]"
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.
- 10d ago First seen · 152 lines · 68 tokens per session scan A a356f0a715bf
Skill Authoring Assistant is a skill published in the GitHub repository theshubh007/agent-skill-finder (13 stars, last pushed 4mo ago), licensed MIT. It adds 68 tokens to every session and 929 once invoked, about $0.0003 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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