2026-09-20 – 2026-09-27

Weekly AI agent skills digest

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

Featured agent skills

Reviewed SKILL.md workflows with evaluation notes unique to this directory.

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.

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writing

Word Document Skill

Create and edit Microsoft Word (.docx) files with headings, tables, and tracked-change-friendly structure from an agent workflow.

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coding

MCP Builder

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.

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Highest scored this week

Skills ranked by OpxScore, for cases where you need a reliable starting point.

productivity

PDF Skill

Read, fill, extract, and generate PDF documents from an agent session — forms, reports, and print-ready files rather than markdown-only output.

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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.

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coding

Skill Creator

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.

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analysis

Excel Spreadsheet Skill

Build and analyze Excel (.xlsx) workbooks — formulas, multiple sheets, and tabular exports — from an agent instead of CSV paste.

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writing

Word Document Skill

Create and edit Microsoft Word (.docx) files with headings, tables, and tracked-change-friendly structure from an agent workflow.

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creativity

PowerPoint Skill

Generate and edit PowerPoint (.pptx) decks with real slides, not markdown pretending to be a presentation.

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Newly listed SKILL.md files

Agent skills recently added to the directory.

productivity

Harvest Automation

Automate time tracking, project management, and invoicing workflows in Harvest -- log hours, manage projects, clients, and tasks through natural language commands.

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