数据库
数据库管理与查询
polars-expertise
DeevsDeevs
This skill should be used when the user asks about Polars DataFrame library (Apache Arrow) for Python or Rust. Triggers: "polars expressions", "lazy vs eager", "scan_parquet streaming", "convert pandas to polars", "pyspark to polars", "kdb to polars", "group_by_dynamic", "rolling_mean", "polars window functions", "asof join", "polars GPU", "polars parquet", "LazyFrame". Time series: OHLCV resampling, rolling windows, financial data patterns. Performance: native expressions over map_elements, early projection, categorical types, streaming.
url-state-management
andrelandgraf
Sync React state to URL query parameters for shareable filters, search, and deep-linkable dialogs with nuqs.
testing
andrelandgraf
Complete testing setup with Neon database branching, Playwright browser tests, integration tests, and unit tests. Isolated branches with automatic TTL cleanup.
stripe-subscriptions
andrelandgraf
Complete subscription billing system with Stripe integration, feature flags for plan gating, webhook handling, and billing portal.
ai-agent-workflow
andrelandgraf
Build resumable multi-agent workflows with durable execution, tool loops, and automatic stream recovery on client reconnection.
base-app-setup
andrelandgraf
Complete setup guide for a Next.js app with Shadcn UI, Neon Postgres, Drizzle ORM, and AI SDK.
bio-workflow-methods-docwriter
fmschulz
Generate reproducible Methods documentation from workflow run artifacts (Nextflow/Snakemake/CWL), including exact commands, versions, parameters, QC gates, and outputs.
ai-coding-usage
fairchild
Analyze AI coding assistant usage patterns across Claude Code and Cursor. Use when user asks about their coding usage, tool statistics, productivity patterns, skill popularity, session history, or wants to query their AI coding logs. Triggers include "usage", "how much have I used", "most used tools", "skill popularity", "coding stats", "productivity patterns".
debug-os-worker
iterate
Debug failures in the Cloudflare os worker using the Cloudflare MCP server (events, keys, values, and targeted queries). Use when diagnosing 500s, missing logs, daemon/control-plane issues, or request-level regressions in production.
automating-messages
SpillwaveSolutions
Automates macOS Messages (iMessage/SMS) via JXA with reliable service→buddy resolution. Use when asked to "automate iMessage", "send Messages via script", "JXA Messages automation", or "read Messages history". Covers send-bug workarounds, UI scripting for attachments, chat.db forensics, and launchd polling bots.
ggsql
edmundmiller
Writes, modifies, explains, validates, and runs ggsql grammar-of-graphics visualization queries.
context-efficiency
edmundmiller
Filter data at the source before it enters context. Use when querying APIs, CLIs, or databases where the full output would be large. Prefer structured output + jg when available, or python/tool-native selectors when not. Use jq only when jg cannot express the needed transformation. Trigger phrases: "find the entity for", "get the ID of", "which service handles", "what's the value of", or any time you'd otherwise dump a large dataset to find one thing.
springboot-migration
a-pavithraa
Migrate Spring Boot projects to version 4.0 with Java 25, including Spring Modulith 2.0 and Testcontainers 2.x upgrades. Use when user requests upgrading Spring Boot, migrating to Java 25, updating dependencies to Spring Boot 4, mentions Jackson 3 migration, asks about starter renames (web→webmvc, aop→aspectj), fixing test annotations (@MockBean→@MockitoBean), or needs help with Spring Modulith 2.0 or Testcontainers 2.x compatibility. Analyzes codebase for migration issues and guides through changes with specific file references.
critic
mcouthon
"Challenge assumptions and probe reasoning using adversarial thinking. Use when asked to find weaknesses, challenge a design, identify edge cases, or stress-test an approach. Triggers on: 'use critic mode', 'challenge this', 'find weaknesses', 'what could go wrong', 'critic', 'devil's advocate', 'poke holes', 'stress test', 'what am I missing', '5 whys'. Read-only mode - questions and probes but doesn't provide solutions."
critic
mcouthon
"Challenge assumptions and probe reasoning using adversarial thinking. Use when asked to find weaknesses, challenge a design, identify edge cases, or stress-test an approach. Triggers on: 'use critic mode', 'challenge this', 'find weaknesses', 'what could go wrong', 'critic', 'devil's advocate', 'poke holes', 'stress test', 'what am I missing', '5 whys'. Read-only mode - questions and probes but doesn't provide solutions."
cmdb-patterns
groeimetai
This skill should be used when the user asks to "create CI", "CMDB", "configuration item", "CI relationship", "impact analysis", "dependency map", "cmdb_ci", "asset", or any ServiceNow CMDB and configuration management development.
data-science
htlin222
Data analysis, SQL queries, BigQuery operations, and data insights. Use for data analysis tasks and queries.
mcp-tool-discovery
groeimetai
This skill should be used when the user asks about "available tools", "what tools", "how to find tools", "tool search", "MCP servers", "list tools", "discover tools", "which tools", or needs guidance on discovering and using Snow-Flow MCP tools.
cloud
htlin222
Design AWS/Azure/GCP infrastructure, implement IaC, and optimize costs. Use for cloud architecture, cost optimization, or migration.
problem-management
groeimetai
This skill should be used when the user asks to "create problem", "problem record", "root cause analysis", "RCA", "known error", "KEDB", "problem investigation", or any ServiceNow Problem Management development.
backend
htlin222
Design APIs, microservices, and database schemas. Use for server-side development, API design, or system architecture.
vendor-management
groeimetai
This skill should be used when the user asks to "vendor", "supplier", "contract", "procurement", "SLA", "vendor risk", "vendor performance", or any ServiceNow Vendor Management development.
request-management
groeimetai
This skill should be used when the user asks to "service request", "RITM", "request item", "catalog request", "fulfillment", "request workflow", "approval", or any ServiceNow Request Management development.
code-review
groeimetai
This skill should be used when the user asks to "review code", "code review", "check my code", "audit code", "find bugs", "security review", "performance review", or any ServiceNow code quality assessment.