coding
Claude API
Up-to-date Claude API reference for model IDs, tool use, MCP, prompt caching, streaming, and SDK patterns so an agent stops guessing against stale docs.
2026-09-20 – 2026-09-27
A weekly roundup of SKILL.md agent skills. Each card links to when-to-use notes, install instructions, and related skills for Claude and other coding agents.
Ranked Claude skillsInstall guideCompare skillsSkill directory
Reviewed SKILL.md workflows with evaluation notes unique to this directory.
coding
Up-to-date Claude API reference for model IDs, tool use, MCP, prompt caching, streaming, and SDK patterns so an agent stops guessing against stale docs.
writing
Create and edit Microsoft Word (.docx) files with headings, tables, and tracked-change-friendly structure from an agent workflow.
coding
Design and implement Model Context Protocol servers so an agent can call external tools with typed schemas instead of stuffing API docs into a skill.
Skills ranked by OpxScore, for cases where you need a reliable starting point.
productivity
Read, fill, extract, and generate PDF documents from an agent session — forms, reports, and print-ready files rather than markdown-only output.
coding
Up-to-date Claude API reference for model IDs, tool use, MCP, prompt caching, streaming, and SDK patterns so an agent stops guessing against stale docs.
coding
Scaffold a new AI agent skill from a plain-language job description: folder, SKILL.md frontmatter, trigger description, and a first draft of the instructions.
analysis
Build and analyze Excel (.xlsx) workbooks — formulas, multiple sheets, and tabular exports — from an agent instead of CSV paste.
writing
Create and edit Microsoft Word (.docx) files with headings, tables, and tracked-change-friendly structure from an agent workflow.
creativity
Generate and edit PowerPoint (.pptx) decks with real slides, not markdown pretending to be a presentation.
Agent skills recently added to the directory.
productivity
Automate Helpwise tasks via Rube MCP (Composio). Always search tools first for current schemas.
productivity
Automate Helloleads tasks via Rube MCP (Composio). Always search tools first for current schemas.
productivity
Automate Helcim tasks via Rube MCP (Composio). Always search tools first for current schemas.
productivity
Automate Hashnode tasks via Rube MCP (Composio). Always search tools first for current schemas.
productivity
Automate time tracking, project management, and invoicing workflows in Harvest -- log hours, manage projects, clients, and tasks through natural language commands.
productivity
Automate Happy Scribe tasks via Rube MCP (Composio). Always search tools first for current schemas.