Open source standards and practices for Dutch government projects. Use when setting up an open source repository, choosing licenses, creating publiccode.yml, or following the Standard for Public Code.

This skill should be used when the user asks to "validate FHIR resources", "check HL7 messages", "validate healthcare data format", "parse FHIR", "HL7 v2 messages", "FHIR R5 validation", "CDA documents", "healthcare data interchange", "FHIR resource schema", "HL7 specifications", or mentions FHIR validation, HL7 message parsing, CDA validation, healthcare data format compliance, or Fast Healthcare Interoperability Resources standards.

[Return to `F3`](/docs/F3.md)

Comprehensive guide to sub-agents in Claude Code: built-in agents (Explore, Plan, general-purpose), custom agent creation, configuration, and delegation patterns. Use when: creating custom sub-agents, delegating bulk operations, parallel research, understanding built-in agents, or configuring agent tools/models.

Queries Gemini 3 Flash for high-speed code analysis, generation, and complex coding questions. Provides P0-P3 prioritized analysis reports, architecture audits, and code generation with configurable thinking levels (minimal/low/medium/high). 1M context, 64K output. Pro-level intelligence at Flash pricing.

Teach and apply Effect-TS practices (effect, @effect/schema, @effect/platform) for architecture, typed errors, Layers, dependency injection, resource safety, testing, and migration from async/await/Promise. Use when a user asks how to use Effect, requests best practices, wants to refactor to Effect, or needs mapping from platform modules to Node/Bun/Browser APIs.

Validates GitBook markdown syntax, helps create properly formatted blocks, and ensures documentation quality

Build agentic applications with GitHub Copilot SDK. Use when embedding AI agents in apps, creating custom tools, implementing streaming responses, managing sessions, connecting to MCP servers, or creating custom agents. Triggers on Copilot SDK, GitHub SDK, agentic app, embed Copilot, programmable agent, MCP server, custom agent.

This skill should be used when the user asks about "documentation templates", "doc structure", "README format", "API documentation format", "how to write tutorials", "documentation checklist", or when the documentation-writer agent needs templates and workflows for specific documentation types. Provides Diataxis-based templates, checklists, and examples for 7 documentation types.

This skill should be used when building single-file browser applications, client-side utilities, or interactive tools that need no backend. Covers patterns for state persistence, API integration, and advanced browser capabilities without React or build steps.

Clear, specific description of what this skill does and when Claude should use it. Include trigger terms users would naturally say. Maximum 1024 characters.

ESM Support. Reference when using this Prisma feature.

Programming language guidelines for Dutch government software. Use when choosing programming languages, setting up development environments, or following language-specific best practices for government projects.

Configure and optimize AI coding agents (OpenCode/Claude). Use when setting up or improving agent behavior.

Dutch Government API design rules, OpenAPI specifications, and API architecture guidelines. Use when building REST APIs for Dutch government projects, creating OpenAPI specs, or implementing API design patterns like webhooks and event-driven architecture.

Find blocking calls in reactive WebFlux code that can cause performance issues and thread starvation

Guidance for installing AGILAB, installing apps/pages, and debugging install/test failures.

prisma format. Reference when using this Prisma feature.

Filter Conditions and Operators

prisma validate. Reference when using this Prisma feature.