← ClaudeAtlas

make-skilllisted

Use when creating, improving, comparing, evaluating, reviewing or packaging Agent Skills following the agentskills.io specification. Also use when deciding whether a skill is the right solution vs MCP servers, Claude Rules Files, CLAUDE.md or AGENTS.md. Handles SKILL.md authoring, frontmatter optimization, description writing, progressive disclosure, platform targeting, invocation control, vendor-specific extensions, and distribution.
sergeyklay/.agents · ★ 5 · AI & Automation · score 80
Install: claude install-skill sergeyklay/.agents
# Creating Agent Skills Author Agent Skills against the agentskills.io specification. A skill is a self-contained directory of instructions, scripts, and resources that turns a general-purpose agent into a specialist for one focused domain. ## Core Philosophy **Context is shared.** Your skill's tokens compete with the system prompt, conversation history, other skills, and the user's request. Once SKILL.md loads it stays in context for the rest of the turn. Every line must earn its place. **The agent is already smart.** Add only context it lacks. Cut explanations of well-known concepts (PDFs, for-loops, HTTP, JSON) and any sentence whose absence would not confuse a competent agent. **Reason over command.** Prefer "Use pdfplumber because it handles multi-column layouts and rotated text better than alternatives" to "ALWAYS use pdfplumber". The reasoning becomes the rubric for cases the skill did not anticipate. **Write for the agent, not the human reader.** The audience is an LLM ingesting tokens, not a person browsing a wiki page. Optimize for density and clarity, not visual aesthetics. Visual decoration — hard wraps that imply meaningful line breaks, blockquotes around examples, redundant "why this works" paragraphs after every code block, three-deep ladders of indented bullets, decorative `Tip:`/`Note:` wrappers around single sentences — costs tokens and earns nothing. See [references/writing-patterns.md](references/writing-patterns.md) § Density for dense-vs-decorative