Resend purchase confirmation emails with download links. Search by order number or email, verify order, and trigger receipt re-send. Solves "I lost my download link" support requests instantly. Triggers on "resend receipt", "send download link", "lost email", "can't find purchase", or similar queries.

Process customer refunds quickly. Search by order number or email, view order details, and issue full/partial refunds with automatic customer notifications. Use for customer support, order issues, or goodwill refunds. Triggers on "refund", "issue refund", "process refund", "customer wants refund", or similar queries.

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Fix bugs using TDD starting from README + Issue (following codegen-test), aligning with existing implementation conventions, and leveraging Serena MCP semantic search/editing to implement changes with high performance and race-safety in mind.

Shared utility script for getting Claude PID and Session ID. Source this in other scripts to access CLAUDE_PID and SESSION_ID variables.

Perform refactoring using TDD starting from README + Issue (following codegen-test), aligning with existing implementation conventions, and leveraging Serena MCP semantic search/editing to improve internal quality with high performance and race-safety in mind.

A skill for writing Go tests in a TDD workflow. Follow README/Issue requirements and existing test conventions, add a balanced set of table-driven cases across behavior/boundaries/branches, and produce maintainable tests without excessive mocking or coverage-chasing.

Provides Go standard testing package expertise and best practices. Ensures proper table-driven test patterns, subtests organization, benchmark implementation, and test coverage strategies. Specializes in testing.T/testing.B usage, test helpers, mock interfaces, race detection, and integration testing patterns following Go conventions. Use when: writing Go test files (_test.go), implementing table-driven tests with subtests (t.Run), creating benchmark tests (testing.B), writing example tests for documentation, implementing test helpers and fixtures, mocking interfaces for unit tests, measuring code coverage with go test -cover, detecting race conditions with -race flag, or organizing integration tests in Go projects.

Post-deployment fix: analyze eval set failures, classify root causes, apply targeted fixes, and re-evaluate. For initial build iteration, use /mcs-build (which has an internal fix loop). This skill handles post-deployment edge cases and regressions.

Initialize a Dataverse workspace on a new machine or new repo. USE WHEN: ".env is missing", "setting up on a new machine", "starting a new project", "initialize workspace", "new repo", "first time setup", "configure MCP server", "MCP not connected", "load demo data", "sample data", "create a new environment", "select environment", "which environment". DO NOT USE WHEN: installing tools (use dataverse-setup).

Use when working with ReLie in REDUCE (including inside Docker) to compute Lie group symmetries of differential equations, handle conditional/contact/variational/approximate symmetries or equivalence transformations, or interpret ReLie outputs and Lie algebra utilities.

Provides React Native performance optimization guidelines for FPS, TTI, bundle size, memory leaks, re-renders, and animations. Applies to tasks involving Hermes optimization, JS thread blocking, bridge overhead, FlashList, native modules, or debugging jank and frame drops.

Configure an MCP server for GitHub Copilot or Claude with your Dataverse environment. USE WHEN: "configure MCP", "set up MCP server", "MCP not working", "connect MCP to Dataverse", "add Dataverse to Copilot", "add Dataverse to Claude", "connect via MCP", "use MCP", "MCP tools not available", "no MCP tools", "MCP not configured". DO NOT USE WHEN: workspace not initialized (use dataverse-init first), installing tools (use dataverse-setup).

Report a bug conversationally — Claude gathers details, previews, and creates a GitHub issue via gh CLI.

Set up a machine for Dataverse development — install tools and authenticate. USE WHEN: "install PAC CLI", "install tools", "command not found", "authenticate", "pac auth", "az login", "gh auth", "winget install", "setup machine", "missing tools", "new machine setup". DO NOT USE WHEN: initializing a workspace/repo (use dataverse-init).

Discover existing shadcn components from registries before building custom. Use PROACTIVELY when about to build any UI component, page section, or layout. Use when user explicitly asks to find/search components. Searches 1,500+ components across official and community registries including @shadcn, @blocks, @reui, @animate-ui, @diceui, Magic UI, and 30+ specialty registries. Provides install commands and code examples. Works best with shadcn MCP configured, but provides manual guidance without it.

Review custom components and layouts against shadcn design patterns, theme styles (Maia, Vega, Lyra, Nova, Mira), component structure, composability, and Radix UI best practices. Use when planning new components, reviewing existing components, auditing spacing, checking component structure, or verifying shadcn best practices alignment.

Full research pass — reads project documents, identifies agents, researches MCS components, designs architecture, enriches brief.json + generates evals. Uses Agent Teams for quality.

Deploy agents from dev to prod environments. Two modes: agent-level (fast, replicate-agent.js) and solution-level (PAC CLI export/import, ALM-ready). Includes pre-deploy validation, connection mapping, post-deploy smoke test.

Initialize a new MCS agent project with folder structure and template files.