test-skill
This skill has no name!
This skill has no name!
This has a mismatched name
**Name**: code-quality
name = "context-optimize"
**Name:** ace-context-engineering
Create or modify tools (.json + .sh pairs) and skills (SKILL.md files) and hot-reload them into the active conversation using reload_capabilities. Use when you want to build a new capability, extend yourself with a new tool, fix an existing tool, create or update a skill, or build a complete application (web server, API, data pipeline, CLI) — all without restarting. --- ## Overview You can extend yourself at runtime. New tools and skills take effect immediately via `reload_capabilities` — no session restart required. Session-scoped capabilities live in `core/` inside your session directory: - **Tools**: `core/tools/<name>.json` (schema) + `core/tools/<name>.sh` (implementation) - **Skills**: `core/skills/<name>/SKILL.md` (frontmatter + body) **There is no limit on what a tool can do.** The shell script can call Python, Node.js, any language or binary on the system. Build first, use immediately. --- ## Building a tool 1. Write the JSON schema to `core/tools/<name>.json` 2. Write the shell implementation to `core/tools/<name>.sh` 3. `chmod +x core/tools/<name>.sh` 4. Call `reload_capabilities` 5. Test by calling the tool ### JSON schema template ```json { "name": "my_tool", "description": "What this tool does. Be specific — the model reads this to decide when to call it.", "input_schema": { "type": "object", "properties": { "arg1": {"type": "string", "description": "Description of arg1."} }, "required": ["arg1"] } } ``` ### Shell tool contract - All kwargs arrive as a JSON object on **stdin** - Write result to **stdout** - Exit 0 = success; non-zero = error (stderr returned as error message) - Timeout: 30 seconds ```bash #!/usr/bin/env bash python3 << 'PYEOF' import sys, json args = json.load(sys.stdin) result = args['arg1'].upper() print(result) PYEOF ``` ### Building full applications Since `.sh` can do anything, tools can build and drive complete applications: **Persistent background process (e.g., web server)** ```bash #!/usr/bin/env bash PORT=$(python3 -c "import
skill-sample/ ├─ SKILL.md ⭐ Required: skill entry doc (purpose / usage / examples / deps) ├─ manifest.sample.json ⭐ Recommended: machine-readable metadata (index / validation / autofill) ├─ LICENSE.sample ⭐ Recommended: license & scope (open source / restriction / commercial) ├─ scripts/ │ └─ example-run.py ✅ Runnable example script for quick verification ├─ assets/ │ ├─ example-formatting-guide.md 🧩 Output conventions: layout / structure / style │ └─ example-template.tex 🧩 Templates: quickly generate standardized output └─ references/ 🧩 Knowledge base: methods / guides / best practices ├─ example-ref-structure.md 🧩 Structure reference ├─ example-ref-analysis.md 🧩 Analysis reference └─ example-ref-visuals.md 🧩 Visual reference
More Agent Skills specs Anthropic docs: https://agentskills.io/home
├─ ⭐ Required: YAML Frontmatter (must be at top) │ ├─ ⭐ name : unique skill name, follow naming convention │ └─ ⭐ description : include trigger keywords for matching │ ├─ ✅ Optional: Frontmatter extension fields │ ├─ ✅ license : license identifier │ ├─ ✅ compatibility : runtime constraints when needed │ ├─ ✅ metadata : key-value fields (author/version/source_url...) │ └─ 🧩 allowed-tools : tool whitelist (experimental) │ └─ ✅ Recommended: Markdown body (progressive disclosure) ├─ ✅ Overview / Purpose ├─ ✅ When to use ├─ ✅ Step-by-step ├─ ✅ Inputs / Outputs ├─ ✅ Examples ├─ 🧩 Files & References ├─ 🧩 Edge cases ├─ 🧩 Troubleshooting └─ 🧩 Safety notes
Skill files are scattered across GitHub and communities, difficult to search, and hard to evaluate. SkillWink organizes open-source skills into a searchable, filterable library you can directly download and use.
We provide keyword search, version updates, multi-metric ranking (downloads / likes / comments / updates), and open SKILL.md standards. You can also discuss usage and improvements on skill detail pages.
Quick Start:
Import/download skills (.zip/.skill), then place locally:
~/.claude/skills/ (Claude Code)
~/.codex/skills/ (Codex CLI)
One SKILL.md can be reused across tools.
Everything you need to know: what skills are, how they work, how to find/import them, and how to contribute.
A skill is a reusable capability package, usually including SKILL.md (purpose/IO/how-to) and optional scripts/templates/examples.
Think of it as a plugin playbook + resource bundle for AI assistants/toolchains.
Skills use progressive disclosure: load brief metadata first, load full docs only when needed, then execute by guidance.
This keeps agents lightweight while preserving enough context for complex tasks.
Use these three together:
Note: file size for all methods should be within 10MB.
Typical paths (may vary by local setup):
One SKILL.md can usually be reused across tools.
Yes. Most skills are standardized docs + assets, so they can be reused where format is supported.
Example: retrieval + writing + automation scripts as one workflow.
Some skills come from public GitHub repositories and some are uploaded by SkillWink creators. Always review code before installing and own your security decisions.
Most common reasons:
We try to avoid that. Use ranking + comments to surface better skills: