数据库
数据库管理与查询
state-inspector
commontoolsinc
Debug Common Fabric runtime/multiplayer state from the durable store, offline, with cf inspect. Use when investigating "what is actually stored", a cell that looks different for two users, a lost/overwritten write, divergence across spaces, how state reached its current value, who/what touched a space, or any memory-v2 question you'd otherwise guess at from a live runtime. Reads space SQLite DBs read-only — no live server, no capture step.
postgresql-psql
einverne
Comprehensive guide for PostgreSQL psql - the interactive terminal client for PostgreSQL. Use when connecting to PostgreSQL databases, executing queries, managing databases/tables, configuring connection options, formatting output, writing scripts, managing transactions, and using advanced psql features for database administration and development.
code-reviewer
einverne
进行系统化的代码审查，检查代码质量、安全性和性能。当用户要求审查代码、review 或检查代码时使用
mongodb
einverne
Guide for implementing MongoDB - a document database platform with CRUD operations, aggregation pipelines, indexing, replication, sharding, search capabilities, and comprehensive security. Use when working with MongoDB databases, designing schemas, writing queries, optimizing performance, configuring deployments (Atlas/self-managed/Kubernetes), implementing security, or integrating with applications through 15+ official drivers. (project)
data-quality
williamzujkowski
'Core Principles:'
sql
williamzujkowski
Sql standards for sql in Database environments. Covers best practices,
nestjs-best-practices
koolamusic
NestJS best practices and architecture patterns for building production-ready applications. This skill should be used when writing, reviewing, or refactoring NestJS code to ensure proper patterns for modules, dependency injection, security, and performance.
better-auth
einverne
Guide for implementing Better Auth - a framework-agnostic authentication and authorization framework for TypeScript. Use when adding authentication features like email/password, OAuth, 2FA, passkeys, or advanced auth functionality to applications.
sql-optimization-patterns
ynulihao
Master SQL query optimization, indexing strategies, and EXPLAIN analysis to dramatically improve database performance and eliminate slow queries. Use when debugging slow queries, designing database schemas, or optimizing application performance.
greptimedb-flow
GreptimeTeam
Guide for creating GreptimeDB flow tasks, for generates materialized view for continuous aggregation.
sqlex
go-sqlex
sqlex is a modern enhancement wrapper for Go database/sql based on jmoiron/sqlx,
mcp-context7-docs
vaayne
Query up-to-date documentation and code examples for any programming library or framework. Use when looking up API docs, finding code examples, or checking library usage. Triggers on "how to use [library]", "docs for [package]", "show me examples of [framework]", "Context7 lookup".
mcp-grep-code
vaayne
Search real-world code examples from over a million public GitHub repositories. Use when finding code patterns, implementation examples, or how libraries are used in practice. Triggers on "find code examples", "how is [library] used", "search GitHub code", "grep.app search", "code pattern".
greptimedb-trigger
GreptimeTeam
Guide for creating GreptimeDB triggers, by which we can trigger external webhook like Alertmanager. This feature can be used as alternative to Prometheus alerting rule.
connecting-streamlit-to-snowflake
streamlit
Connecting Streamlit apps to Snowflake. Use when setting up database connections, managing secrets, or querying Snowflake from a Streamlit app.
optimizing-streamlit-performance
streamlit
Optimizing Streamlit app performance. Use when apps are slow, rerunning too often, or loading heavy content. Covers caching, fragments, and static vs dynamic widget choices.
hybrid-reasoning
strikersam
Hybrid AI combining deterministic rule engines with LLM reasoning for efficient, auditable, and reliable decision-making.
jspecify-nullness
alexandru
JSpecify nullness annotations for Java APIs and tooling. Use when adopting or migrating JSpecify annotations, designing null-safe Java signatures and generics, or interpreting tool conformance and Kotlin interop.
altinity-expert-clickhouse-storage
Altinity
Diagnose ClickHouse disk usage, compression efficiency, part sizes, and storage bottlenecks. Use for disk space issues and slow IO.
altinity-expert-clickhouse-overview
Altinity
Runs a quick overview of Clickhouse server health.
altinity-expert-clickhouse-dictionaries
Altinity
Analyze ClickHouse external dictionaries including configuration, memory usage, reload status, and performance. Use for dictionary issues and load failures.
altinity-expert-clickhouse-metrics
Altinity
Real-time monitoring of ClickHouse metrics, events, and asynchronous metrics. Use for load average, connections, queue monitoring, and resource saturation.
rss-digest
odysseus0
"Agentic RSS digest using the feed CLI. Fetch, triage, and summarize RSS feeds to surface high-signal posts. Use when: (1) reading RSS feeds or catching up on news, (2) user asks for a digest, roundup, or summary of recent posts, (3) user asks what's new or interesting today, (4) user mentions feed, RSS, or blogs."
qgis
pacphi
Geospatial analysis and GIS operations via QGIS. Use for calculating distances, buffering zones, coordinate transforms (EPSG:4326 to EPSG:3857), layer operations, geoprocessing (intersect, union, clip), and exporting map images. Requires QGIS running on Display :1 with MCP plugin enabled.