mcollina · Agent Skills
5 Skills with substantive, source-verified documentation. Open a card to read the original instructions and review package and installation details.
mcollinafastify-best-practices
Guides development of Fastify Node.js backend servers and REST APIs using TypeScript or JavaScript. Use when building, configuring, or debugging a Fastify application — including defining routes, implementing plugins, setting up JSON Schema validation, handling errors, optimising performance, managing authentication, configuring CORS and security headers, integrating databases, working with WebSockets, and deploying to production. Covers the full Fastify request lifecycle (hooks, serialization,
- Total installs
- 87.5K
- GitHub stars
- 2K
- Updated
- Oct 27
mcollinainit
Creates, updates, or optimizes an AGENTS.md file for a repository with minimal, high-signal instructions covering non-discoverable coding conventions, tooling quirks, workflow preferences, and project-specific rules that agents cannot infer from reading the codebase. Use when setting up agent instructions or Claude configuration for a new repository, when an existing AGENTS.md is too long, generic, or stale, when agents repeatedly make avoidable mistakes, or when repository workflows have change
- 1h installs
- 1
- GitHub stars
- 2K
- Updated
- Oct 18
mcollinanode
Provides domain-specific best practices for Node.js development with TypeScript, covering type stripping, async patterns, error handling, streams, modules, testing, performance, caching, logging, and more. Use when setting up Node.js projects with native TypeScript support, configuring type stripping (--experimental-strip-types), writing Node 22+ TypeScript without a build step, or when the user mentions 'native TypeScript in Node', 'strip types', 'Node 22 TypeScript', '.ts files without compila
- 1h installs
- 1
- GitHub stars
- 2K
- Updated
- Oct 18
mcollinanodejs-core
Contributes to and debugs Node.js core, including nodejs/node commit and PR tone, contribution workflows, native crashes, V8 performance, node-gyp builds, N-API bindings, and libuv issues. Use when drafting or reviewing a Node.js core commit or pull request, working in nodejs/node, or diagnosing C++ addons, binding.gyp failures, segfaults, native leaks, V8 deoptimizations, and event-loop internals.
- 1h installs
- 1
- GitHub stars
- 2K
- Updated
- Oct 18
mcollinatypescript-magician
Designs complex generic types, refactors any types to strict alternatives, creates type guards and utility types, and resolves TypeScript compiler errors. Use when the user asks about TypeScript (TS) types, generics, type inference, type guards, removing any types, strict typing, type errors, infer, extends, conditional types, mapped types, template literal types, branded/opaque types, or utility types like Partial, Record, ReturnType, and Awaited.
- 1h installs
- 1
- GitHub stars
- 2K
- Updated
- Oct 18