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Found 381 Skills
The Agent Tool Contract — 5 principles for designing tools agents call reliably: predictable signature, rich errors, token-efficient output, idempotency, graceful degradation. Includes anti-pattern table with 8 common mistakes.
Code quality standards. Defines complexity management, modular design, code smell detection. Applied automatically when writing or reviewing code.
Comprehensive Flutter networking guidance including HTTP CRUD operations, WebSocket connections, authentication, error handling, and performance optimization. Use when Claude needs to implement HTTP requests GET POST PUT DELETE, WebSocket real-time communication, authenticated requests with headers and tokens, background parsing with isolates, REST API integration with proper error handling, or any network-related functionality in Flutter applications.
Socratic questioning protocol + user communication. MANDATORY for complex requests, new features, or unclear requirements. Includes progress reporting and error handling.
Luau best practices and clean code patterns for Roblox development. Use this skill when: - Writing new Luau modules, services, or controllers - Reviewing code for quality and maintainability - Setting up project structure and organization - Implementing error handling and validation - Managing memory and preventing leaks - Writing secure server-authoritative code - Following Roblox-specific conventions - Refactoring or improving existing code Triggers: "best practices", "clean code", "code review", "refactor", "code quality", "naming convention", "code style", "module pattern", "service pattern", "memory leak", "error handling", "pcall", "security", "server authority", "validation", "code organization"
Design REST API endpoints with Zod validation and OpenAPI documentation. Use when creating new API routes, validating request/response schemas, or updating API documentation. Activates for endpoint design, schema validation, error handling, and API docs.
This skill must be loaded via the skill tool when the user mentions anything related to publishing or release an npm package. It contains essential knowledge about the complete release workflow. Things a user might say are Publish the npm package,Release a new version,Deploy to npm,Create a new release,Bump the version and publish
Error handling patterns for ERPNext/Frappe permissions and access control. Use when handling PermissionError, has_permission failures, role issues, and document access problems. V14/V15/V16 compatible. Triggers: permission error, access denied, PermissionError, role error, has_permission failed, document access error.
Shell scripting expert for Bash, POSIX compliance, error handling, and automation
OpenAI Codex Rust coding patterns distilled from the codex-rs workspace. Use this skill whenever writing, reviewing, or refactoring Rust code — especially for async agents, CLI tools, sandboxing, Ratatui TUIs, JSON-RPC protocols, tokio-based services, or any codebase that needs defensive panic discipline. Trigger even when the user does not explicitly mention Codex, because the patterns generalize to any production Rust workspace. Covers async cancellation, error enum design, process sandboxing, Cargo workspace architecture, wiremock-based fakes, insta snapshot testing, OpenTelemetry tracing, and Ratatui rendering.
Keep status and error colours minimal and consistent — too many semantic colours confuse users. Each colour must mean exactly one thing. Errors should be recoverable, large failures must be prevented, and the UI should always give the user a path forward. Use when designing status indicators, error states, form validation, alerts, or any feedback system.
Authors and edits AWS Step Functions state machines: writes Amazon States Language (ASL) in JSONata, and chooses and structures state types (Task, Choice, Map, Parallel, Pass, Wait, Succeed, Fail). Covers ASL syntax, JSONata data transformation and variables, Retry/Catch error handling, service integrations (.sync, waitForTaskToken callbacks), Distributed Map for large-scale S3/CSV processing, saga/compensation patterns, Standard vs Express workflow choice, TestState API unit testing, and migrating state machines from JSONPath to JSONata. Use when the user is building, authoring, debugging, or migrating a Step Functions state machine or ASL definition, or orchestrating multi-step workflows with branching, retries, or human-approval callbacks, even if they don't say 'Step Functions.' Do NOT use for general Lambda function code, API Gateway, EventBridge wiring, or SAM/CDK application packaging.