AI Agent Skills

Write the current session's in-flight work state to a human-readable handoff doc on disk (docs/context/CONTEXT-{topic}.md) so a future chat session — or another person —…

Turn a hard-won, multi-step procedure from the current session into its own small skill at ~/.claude/skills/learned-<slug>/SKILL.md, so future sessions load it when the…

Comprehensive E2E testing skill using Playwright MCP for systematic web application testing. This skill should be used when users need to test web-based systems end-to-e…

Detect and prevent overfitting to historical data via multiple testing corrections and pre-registration. Use when evaluating strategy variants to ensure performance is n…

Prevent train-test contamination, target leakage, and temporal leakage. Use when splitting data, fitting preprocessors, or engineering features for time-series ML.

Extract latent factors from return panels using PCA, IPCA, or autoencoders with proper noise diagnostics. Use when reducing dimensionality or discovering risk structure.

Reinforcement learning for trade execution and hedging. Use when optimizing execution algorithms or dynamic hedging policies.

Test strategy robustness to parameter variation and detect overfitting cliffs. Use when validating that performance is stable across parameter perturbations.

Remove git worktrees safely without force. Use when the user asks to remove, clean up, or delete git worktrees.

CLI guidelines. Use whenever using the Bash tool, which is almost always. Also use when you see "command not found: __zoxide_z" errors.

Formatting rules for Java code generators that build source code via string concatenation. Use when the user asks to "fix formatter-off", "fix code generation formatting…

Code quality guidelines. ALWAYS use skill for ANY code changes.

Create and maintain an HTML codebase walkthrough with ordered explanations, scroll-linked source highlights, and an iterative learning and review workflow. Use for guide…

Commit local changes with careful staging and single-line messages. Use for all git commit operations.

Split local changes into multiple logical commits. Use when the user asks to commit changes in chunks or as several commits.

Resolve git merge or rebase conflicts and continue the operation. Use when a rebase, merge, or cherry-pick stops on conflicted files.