Development

Focuses on routing, CSRF protection, context handling, and template usage within the internal handlers directory.

Applies best practices for logging, project structure, and environment variable usage specifically to the main application file.

Comprehensive FHIR (Fast Healthcare Interoperability Resources) software development assistant. Use when working with FHIR APIs, implementations, or healthcare data exchange. Supports FHIR R4, R4B, R5, Implementation Guides (IGs), validation, terminology, and SMART on FHIR. Ideal for building FHIR servers, clients, validators, or healthcare applications that need to process FHIR resources.

FHIR R4 resource generation and validation for healthcare interoperability. Converts medical data into FHIR-compliant JSON resources (Patient, Observation, MedicationRequest, Condition, etc.). Use when creating FHIR resources, validating healthcare data structures, or preparing data for EHR integration.

Complete browser-based FFmpeg system. PROACTIVELY activate for: (1) ffmpeg.wasm setup and loading, (2) Browser video transcoding, (3) React/Vue/Next.js integration, (4) SharedArrayBuffer and COOP/COEP headers, (5) Multi-threaded ffmpeg-core-mt, (6) Cloudflare Workers limitations, (7) Custom ffmpeg.wasm builds, (8) Memory management and cleanup, (9) Progress tracking and UI, (10) IndexedDB core caching. Provides: Framework-specific examples, header configuration, common operation recipes, perf...

Complete shape and graphics overlay system. PROACTIVELY activate for: (1) Drawing rectangles (drawbox), (2) Grid overlays (drawgrid), (3) Circles and ellipses (geq), (4) Image watermarks and logos, (5) Lower third graphics, (6) Progress bars and indicators, (7) Animated overlays, (8) Blend modes and compositing, (9) Safe area guides, (10) Generated patterns (gradients, noise, checkerboards). Provides: Filter syntax reference, position expressions, color format guide, blend mode examples, perf...

Authoritative Python-FFmpeg parameter integration reference ensuring type safety, accurate parameter mappings, and proper unit conversions. PROACTIVELY activate for: (1) ffmpeg-python library usage, (2) Python subprocess FFmpeg calls, (3) Caption/subtitle parameter mapping (drawtext, ASS), (4) Color format conversions (BGR, RGB, ABGR, ASS &HAABBGGRR), (5) Time unit conversions (seconds, centiseconds, milliseconds), (6) Type safety validation (int, float, string), (7) Coordinate systems, (8) P...

FFmpeg media processing. Video/audio transcoding, stream manipulation, and filter graphs.

Complete glitch art, datamosh, and video distortion effects system. PROACTIVELY activate for: (1) Datamosh/pixel bleeding effects, (2) VHS/analog glitch simulation, (3) Digital corruption effects, (4) Displacement mapping, (5) Wave/ripple distortions, (6) Pixelation and mosaic effects, (7) Chromatic aberration, (8) Scan line effects, (9) Time-based distortions (echo, trails), (10) Lens distortion and barrel effects. Provides: minterpolate for datamosh, displacement filter, geq pixel manipulat...

Complete guide to FFmpeg filter_complex syntax, multi-input/output pipelines, and composition patterns. PROACTIVELY activate for: (1) filter_complex syntax questions, (2) Multi-input video composition (PiP, grids, overlays), (3) Video transitions (xfade, fades, wipes), (4) Audio mixing (amix, amerge), (5) Stream splitting and routing, (6) Named stream labels, (7) Complex filtergraphs, (8) GPU + CPU hybrid filter chains, (9) ABR encoding ladders, (10) Text and watermark overlays. Provides: Syn...

Complete Cloudflare Container FFmpeg system. PROACTIVELY activate for: (1) Cloudflare Containers setup, (2) Native FFmpeg at edge, (3) GPU-accelerated containers, (4) Durable Objects integration, (5) R2 storage for video files, (6) Container autoscaling, (7) Streaming large files, (8) Workers + Containers architecture, (9) Live streaming relay at edge, (10) Container vs Workers comparison. Provides: Dockerfile examples, Worker code, container configuration, GPU setup, R2 integration, producti...

Build or modify the Rust↔Python FFI using PyO3+maturin. Use for binding builds, smoke tests, and boundary validation workflow.

Your approach to handling ffi memory management. Use this skill when working on files where ffi memory management comes into play.

Fetch comprehensive GitHub user data including profile, repositories, contributions, pull requests, issues, and statistics. Use when the user asks to fetch, download, or analyze GitHub user data.

Fetches and processes GitHub pull requests waiting for review. Returns fully formatted markdown with PRs grouped by category (Feature/Bug, Chores, Dependency Updates) and sorted by age. Includes metadata like CI status, review status, size metrics, and viewing history. Use when user wants to see their PR review queue.

Fetch Semicolon team standards from docs wiki. Use when (1) providing workflow or process advice, (2) recommending DevOps strategies, (3) referencing team conventions for decision-making, (4) checking team standards compliance.

Fetch store leads from Google Maps using Dumpling AI API. Use this skill when the user wants to search for businesses, stores, restaurants, or any places on Google Maps.

Expert Node.js guidance for fetching and integrating RSS feeds and REST APIs. Use when requests mention Fetch, RSS, API, REST endpoints, Atom feeds, pagination, authentication, rate limits, webhooks, or when building API clients that ingest feed data.

Extract content from the public notes website at notes.dsebastien.net. Use when fetching MoCs, notes, or any content from the Obsidian Publish site.

Fetches official documentation for external libraries and frameworks (React, Next.js, Prisma, FastAPI, Express, Tailwind, MongoDB, etc.) with 60-90% token savings via content-type filtering. Use this skill when implementing features using library APIs, debugging library-specific errors, troubleshooting configuration issues, installing or setting up frameworks, integrating third-party packages, upgrading between library versions, or looking up correct API patterns and best practices. Triggers ...

Fetch GitHub issue details with AI analysis comment from github-actions bot, extracting structured data for architecture planning in WescoBar workflows

Fetch favicons for any website using multiple fallback sources (Google, DuckDuckGo, direct). Use when needing website icons, favicons, site logos, or domain icons for any URL or domain.

Client and server-side fetch utilities for Next.js applications with API route proxying to FastAPI backends.

Schema-driven Atom.family patterns for TMNL. Covers Fermion builder API, registry patterns, algebra interpreters, and React integration. (project)