Agent skills for ChatGPT

Run a mastering pass (LUFS loudness normalization + peak limiting) on an existing production

MusicKit Now Playing integration patterns.

Applies Elon Musk's first-principles thinking, cost breakdown formulas, and engineering algorithms to rigorously evaluate technical…

Apply the ordered question-delete-simplify-accelerate-automate method to project concepts, product or technical designs, workflows, and…

CRITICAL: Use for mutability issues. Triggers: E0596, E0499, E0502, cannot borrow as mutable, already borrowed as immutable, mut, &mut…

Run Stryker mutation testing on the source files changed in the current branch (vs origin/master) across vitest packages.

Configures mewt or muton mutation testing campaigns — scopes targets, tunes timeouts, and optimizes long-running runs.

Run Stryker mutation testing on a single source file and return a structured, token-frugal report that's pipeable to a follow-up…

Use when needing thread-safe primitives for performance-critical code.

Guide building a minimum viable product the minimalist entrepreneur way — manual first, then processized, then productized.

Web app MVP launch checklist knowledge. Auto-triggered when conversation involves "launch readiness", "MVP checklist", "production ready"…

Guides the founder through designing and optionally building the simplest MVP or prototype that validates their current hypotheses.

Automate Mx Toolbox tasks via Rube MCP (Composio).

Mxe

Compiles 1C:Enterprise spreadsheet documents (MXL) from JSON definitions to automate print form generation.

Show all Linear issues assigned to you

List PRs opened today that are assigned to me or the move-destinations team, excluding external contributors

It learns your writing style from 2-3 of your own texts, shows the profile for approval and only then rewrites the new text in that voice…

Display your personalized social feed from AI book-lover personas

Executes secure, read-only MySQL queries to inspect database schemas and verify table data directly within your development workflow.

When the user wants to plan, design, or implement an A/B test or experiment.