guanxuc
24 verified skills
inventory_management
Database schema and business logic for inventory tracking including products, warehouses, and stock levels.
data-ai
skill-creator
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
tools
calculation-skill
A skill for mathematical calculations
tools
data-report
Use this skill when the task involves analyzing data to compute statistics, aggregations, or summaries, and presenting the results as a report. Suitable for tasks like "summarize this dataset", "calculate averages and totals", "generate a weekly sales report", or "show me trends in this data". Do NOT use for simple format conversion between file types.
development
data-transform
Use this skill when the task involves converting or reformatting structured data between file formats such as CSV, JSON, XML, or YAML. Suitable for tasks like "convert this CSV to JSON", "reformat my data file", or "change the file format of this dataset". Do NOT use for statistical analysis, aggregation, or report generation.
development
query-writing
Writes and executes SQL queries ranging from simple single-table SELECTs to complex multi-table JOINs, aggregations, window functions, and subqueries. Use when the user asks to query the database, retrieve data, filter records, rank results, or generate reports.
documentation
schema-exploration
Lists tables, describes columns and data types, identifies foreign key relationships, and maps entity relationships in the database. Use when the user asks about database structure, table layout, column types, what tables exist, foreign keys, or how entities relate to each other.
data-ai
schema-exploration
Lists tables, describes columns and data types, identifies foreign key relationships, and maps entity relationships in the database. Use when the user asks about database structure, table layout, column types, what tables exist, foreign keys, or how entities relate to each other.
data-ai
query-writing
Discover schema, write SELECT-only SQLite queries, execute, and explain results (aligned with harness-example).
documentation
query-writing
Discover schema, write SELECT-only SQLite queries, execute, and explain results (aligned with harness-example).
documentation
query-writing
Writes and executes SQL queries ranging from simple single-table SELECTs to complex multi-table JOINs, aggregations, window functions, and subqueries. Use when the user asks to query the database, retrieve data, filter records, rank results, or generate reports.
documentation
agentscope-java
Expert Java developer skill for AgentScope Java framework - a reactive, message-driven multi-agent system built on Project Reactor. Use when working with reactive programming, LLM integration, agent orchestration, multi-agent systems, or when the user mentions AgentScope, ReActAgent, Mono/Flux, Project Reactor, or Java agent development. Specializes in non-blocking code, tool integration, hooks, pipelines, and production-ready agent applications.
tools
git-changelog
Use this skill when the task involves generating a changelog, release notes, or commit summary from a Git repository's history. Suitable for tasks like "generate a changelog for v2.0", "summarize what changed since last release", or "create release notes from git commits". Requires access to a Git repository.
documentation
image-resize
Use this skill when the task involves resizing, scaling, or compressing image files. Suitable for tasks like "resize these photos to 800px wide", "compress images to reduce file size", or "batch scale all JPEGs in a folder". Only relevant for image processing tasks — do NOT use for data files, text, or non-image tasks.
data-ai
log-parser
Use this skill when the task involves inspecting, searching, or extracting information from application log files. Suitable for tasks like "my application is crashing and I need to find the errors", "scan these logs for warnings", "extract all exceptions from this log file", or "find slow requests in my server logs". Triggered by debugging, incident investigation, or log analysis needs.
development
sales_analytics
Database schema and business logic for sales data analysis including customers, orders, and revenue.
data-ai
writing-skill
A skill for writing and content creation
content-media
query-writing
Writes and executes SQL queries ranging from simple single-table SELECTs to complex multi-table JOINs, aggregations, window functions, and subqueries. Use when the user asks to query the database, retrieve data, filter records, rank results, or generate reports.
documentation
schema-exploration
Lists tables, describes columns and data types, identifies foreign key relationships, and maps entity relationships in the database. Use when the user asks about database structure, table layout, column types, what tables exist, foreign keys, or how entities relate to each other.
data-ai
query-writing
Discover schema, write SELECT-only SQLite queries, execute, and explain results (aligned with harness-example).
documentation
query-writing
Discover schema, write SELECT-only SQLite queries, execute, and explain results (aligned with harness-example).
documentation
schema-exploration
Lists tables, describes columns and data types, identifies foreign key relationships, and maps entity relationships in the database. Use when the user asks about database structure, table layout, column types, what tables exist, foreign keys, or how entities relate to each other.
data-ai
skill-creator
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.
tools
query-writing
Writes and executes SQL queries ranging from simple single-table SELECTs to complex multi-table JOINs, aggregations, window functions, and subqueries. Use when the user asks to query the database, retrieve data, filter records, rank results, or generate reports.
documentation