crabbox
Run remote validation on Linux, macOS, Windows, or WSL2 via the Crabbox wrapper, including delegated Blacksmith Testbox proof. Report the actual provider and lease id.
dynamic-resources
Example skill loaded from resources_discover
calendar
First calendar skill.
bad--name
A skill with consecutive hyphens in the name.
disable-model-invocation
A skill that cannot be invoked by the model.
Invalid_Name
A skill with invalid characters in the name.
invalid-yaml
[unclosed bracket
this-is-a-very-long-skill-name-that-exceeds-the-sixty-four-character-limit-set-by-the-standard
A skill with a name that exceeds 64 characters.
multiline-description
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different-name
A skill with a name that doesn't match the directory.
child-skill
A nested skill in a subdirectory.
unknown-field
A skill with an unknown frontmatter field.
valid-skill
A valid skill for testing purposes.
intercom
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playwright-cli
Automate browser interactions, test web pages and work with Playwright tests.
subagent
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tdd
Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, mentions "red-green-refactor", wants integration tests, or asks for test-first development.
tmux
Control tmux-compatible sessions/windows/panes for interactive CLIs: list, capture output, send keys, paste text, monitor prompts.
create-spec
Create a detailed execution plan/spec/PRD for implementing features or refactors in a codebase, designed around the program's entrypoints, the doors that carry domain intent, by leveraging existing research in the codebase.
impeccable
Use when the user wants to design, redesign, shape, critique, audit, polish, clarify, distill, harden, optimize, adapt, animate, colorize, extract, or otherwise improve a frontend interface. Covers websites, landing pages, dashboards, product UI, app shells, components, forms, settings, onboarding, and empty states. Handles UX review, visual hierarchy, information architecture, cognitive load, accessibility, performance, responsive behavior, theming, anti-patterns, typography, fonts, spacing, layout, alignment, color, motion, micro-interactions, UX copy, error states, edge cases, i18n, and reusable design systems or tokens. Also use for bland designs that need to become bolder or more delightful, loud designs that should become quieter, live browser iteration on UI elements, or ambitious visual effects that should feel technically extraordinary. Not for backend-only or non-UI tasks.
prompt-engineer
Create, improve, or optimize prompts using best practices.
research-codebase
Document codebase as-is with research directory for historical context.
skill-creator
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.