Database

destructive-command-guard

by oakoss

'Blocks dangerous commands before execution via a Rust-based Claude Code hook. Use when configuring agent safety guards, setting up destructive command blocking, or auditing CLI protection rules. Use for git reset protection, rm -rf interception, force-push blocking, pack-based command filtering, and PreToolUse hook safety.'

cloudflare

by oakoss

'Cloudflare Workers, KV, D1, R2, Pages, and Wrangler CLI. Use when deploying to the edge, configuring Workers, managing storage bindings, or setting up Cloudflare Pages.'

local-first

by oakoss

Local-first architecture decision framework for web applications. Covers when to go local-first vs server-based vs hybrid, sync engine selection (ElectricSQL, Zero, PowerSync, Replicache, LiveStore, Triplit), client-side storage options (IndexedDB, OPFS, SQLite WASM, PGlite), and conflict resolution strategies (LWW, CRDTs, server-wins, field-level merge). Use when deciding whether to adopt local-first architecture, choosing a sync engine, selecting client storage, or designing conflict resolution strategies.

db-enforcer

by oakoss

'Enforces database integrity for PostgreSQL and Prisma systems. Use when designing schemas, writing migrations, or configuring Row-Level Security. Use for type-safe SQL, naming alignment, constraint validation, zero-trust RLS policies, UUIDv7 primary keys, and zero-downtime deployments.'

snowcli

by michalvavra

CLI for Snowflake. Query data, manage warehouses, databases, schemas, tables, and stages. Use when working with Snowflake data platform.

migrating-json-schemas

by zaggino

Migrates JSON Schemas between draft versions for use with z-schema. Use when the user wants to upgrade schemas from draft-04 to draft-2020-12, convert between draft formats, update deprecated keywords, replace id with $id, convert definitions to $defs, migrate items to prefixItems, replace dependencies with dependentRequired or dependentSchemas, adopt unevaluatedProperties or unevaluatedItems, or adapt schemas to newer JSON Schema features.

writing-json-schemas

by zaggino

Authors JSON Schema definitions for use with z-schema validation. Use when the user needs to write a JSON Schema, define a schema for an API payload, create schemas for form validation, structure schemas with $ref and $defs, choose between oneOf/anyOf/if-then-else, design object schemas with required and additionalProperties, validate arrays with items or prefixItems, add format constraints, organize schemas for reuse, or write draft-2020-12 schemas.

skill-creator

by zaggino

Create, improve, and test skills for the z-schema JSON Schema validator library. Use this skill whenever the user wants to create a new skill from scratch, turn a workflow into a reusable skill, update or refine an existing skill, write test cases for a skill, or organize reference material for a skill. Also use when someone mentions "skill", "SKILL.md", or wants to document a z-schema workflow for reuse by humans or AI agents.

validating-json-data

by zaggino

Validates JSON data against JSON Schema using the z-schema library. Use when the user needs to validate JSON, check data against a schema, handle validation errors, use custom format validators, work with JSON Schema drafts 04 through 2020-12, set up z-schema in a project, compile schemas with cross-references, resolve remote $ref, configure validation options, or inspect error details. Covers sync/async modes, safe error handling, schema pre-compilation, remote references, TypeScript types, and browser/UMD usage.

alphaear-sentiment

by RKiding

Analyze finance text sentiment using FinBERT or LLM. Use when the user needs to determine the sentiment (positive/negative/neutral) and score of financial text markets.

contributing-to-z-schema

by zaggino

Guides contributors through the z-schema codebase, PR workflow, and common development tasks. Use when the user wants to contribute to z-schema, add a new feature or keyword, add an error code, add a format validator, modify options, write tests, run the test suite, fix a failing test, understand the validation pipeline, navigate the source code architecture, or submit a pull request. Also use when someone mentions contributing, PRs, the z-schema source code, or the JSON Schema Test Suite integration.

handling-validation-errors

by zaggino

Inspects, filters, and maps z-schema validation errors for application use. Use when the user needs to handle validation errors, walk nested inner errors from anyOf/oneOf/not combinators, map error codes to user-friendly messages, filter errors with includeErrors or excludeErrors, build form-field error mappers, use reportPathAsArray, interpret SchemaErrorDetail fields like code/path/keyword/inner, or debug why validation failed.

ai-engineer

by kriscard

"AI/LLM: Use when building RAG pipelines, vector search, LLM integrations, or agent orchestration. NOT for general backend or API development."

Security Code Review

by kousen

Identify security vulnerabilities and suggest secure coding practices

senior-architect

by kriscard

"Architecture: Use when designing system architecture, creating C4 diagrams, evaluating tech trade-offs, or writing ADRs. NOT for implementation details or coding."

Browser History Search

by samhvw8

data-engineering

by Logos-Liber

Data pipeline patterns, ETL/ELT best practices, data storage options, and data quality techniques

supabase

by salavender

Database, auth, and backend expertise for Supabase operations in [PROJECT_NAME]

async-confirm-dialog-loading

by ai-shifu

当 Cook Web 的确认弹窗会触发重修、删除、恢复等异步请求时，使用本技能保证按钮防重复点击、loading 状态与弹窗关闭时机和请求完成保持一致。

dns-troubleshooter

by statik

"It's not DNS / There's no way it's DNS / It was DNS. Diagnose and troubleshoot DNS issues including delegation verification, record conflicts, authoritative vs local DNS comparison, and SPF validation. Use when encountering NXDOMAIN errors for URLs that should exist, verifying DNS delegation is correct, checking for conflicting DNS records, comparing what authoritative nameservers say vs local resolvers, or validating SPF records for email deliverability."

create-nextjs-ddd-auth-db

by micheleangioni

Create a new fullstack Next.js. Use this skill when the user asks to create a new Next.js project or application.

performance-reviewer

by peopleforrester

Performance analysis and optimization. Use when reviewing code for performance issues, identifying bottlenecks, or optimizing slow operations. Covers frontend, backend, and database performance.

context7-auto-research

by freekmurze

Automatically fetches up-to-date documentation from Context7 when users ask about libraries, frameworks, APIs, or need code examples. Triggers proactively without explicit user request.

cosmosdb-best-practices

by AzureCosmosDB

Azure Cosmos DB performance optimization and best practices guidelines for NoSQL, partitioning, queries, and SDK usage. Use when writing, reviewing, or refactoring code that interacts with Azure Cosmos DB, designing data models, optimizing queries, or implementing high-performance database operations.