Agent skills for ChatGPT

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.

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…

Show all Jira tickets assigned to you

Display your personalized social feed from AI book-lover personas

Use when the user wants to plan, decompose, track, or resume a multi-task project: scoping a new idea, importing or onboarding an existing…

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.

When the user wants to set up, improve, or audit analytics tracking and measurement.

When the user wants to create competitor comparison or alternative pages for SEO and sales enablement.