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Agent Skills

A collection of skills for AI coding agents when building Eigent.

Skills follow the Agent Skills format.

Available Skills

Skills are organized by category under skills/{category}/{skill-name}:

Tier 1 — High Priority

AI & LLMs

TBD — Category placeholder for future skills.

Coding Agents & IDEs

Skill Description
mintlify-docs-updater Maintain Mintlify documentation from uploaded Markdown files. Handles page placement under docs/, required frontmatter checks, and docs/docs.json navigation updates via ingest_markdown_doc.py.
skill-creator Create, modify, and evaluate skills. Covers authoring SKILL.md files, bundling scripts and references, running evals, and benchmarking skill performance.
mcp-builder Build MCP (Model Context Protocol) servers in Python (FastMCP) or Node/TypeScript. Includes planning workflows, MCP best-practices references, evaluation scripts (evaluation.py, connections.py), and language-specific implementation guides.
spec Write comprehensive product and engineering specs before implementation. Covers problem statements, user stories, acceptance criteria, edge cases, rollout notes, and open decisions.
review Perform five-axis code reviews across correctness, security, performance, readability, and maintainability. Leads with severity-ranked findings and concrete fixes.
ship Prepare releases for production with launch checklists, staged rollout criteria, monitoring plans, rollback paths, communications, and post-launch validation.

Web & Frontend Development

Skill Source Description
frontend-design — Create distinctive, production-grade frontend interfaces with high design quality. Generates creative, polished web components, pages, and applications that avoid generic AI aesthetics.
brand-guidelines — Apply Anthropic's official brand colors and typography to artifacts. Use when brand styling, visual formatting, or company design standards apply.
web-artifacts-builder — Build elaborate, multi-component claude.ai HTML artifacts using React, Tailwind CSS, and shadcn/ui. Includes project scaffolding and single-file bundling scripts.
theme-factory — Apply professional color and font themes to artifacts like slides, docs, reports, and landing pages. Includes 10 curated themes with a visual showcase PDF.
excalidraw — Generate architecture and system diagrams as .excalidraw files from codebase analysis. Covers valid Excalidraw JSON, element IDs, labels, arrows, and styling rules so diagrams open correctly in Excalidraw.
open-design nexu-io/open-design Generate web, mobile, and dashboard prototypes from a prompt using brand-grade design systems. Outputs sandboxed HTML previews exportable to HTML, PDF, PPTX, or MP4.

DevOps & Cloud

TBD — Category placeholder for future skills.

Browser & Automation

Skill Description
webapp-testing Test local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing screenshots, and viewing browser logs with server lifecycle helpers.

Search & Research

Skill Description
last30days Research recent public discussion across Reddit, Hacker News, GitHub, X, YouTube, Polymarket, and similar sources, then synthesize engagement-ranked findings into a grounded brief.

Marketing & Sales

Skill Source Description
instagram-posting — Post images or video to an already logged-in Instagram session via browser automation. Includes a script to pick the correct crop aspect ratio before upload.
copywriting — Write marketing copy for landing pages, launches, ads, campaigns, and email sequences using product context and direct-response frameworks where useful.
seo-audit — Audit technical, on-page, and AI-search SEO, including metadata, page structure, keyword intent, internal links, content gaps, and AEO/GEO/LLMO readiness.
marketing-ideas — Generate practical SaaS and product marketing ideas across organic, paid, community, partnerships, product-led growth, retention, and launch channels.
ab-test-setup — Design, analyze, and document A/B tests, including hypotheses, sample size, implementation checks, decision rules, and ICE-scored experiment backlogs.
humanizer blader/humanizer Detect and rewrite AI writing patterns to make content sound authentically human, with optional voice calibration from writing samples.

Data & Analytics

Skill Description
ml-failure-audit Audit ML CI failures, experiment regressions, training run failures, golden metric failures, and telemetry-backed ML claims. Classifies failures across model, correctness, data/config, runtime, metric-policy, observability, and unsupported-claim categories with evidence-backed recommendations.

Image & Video Generation

Skill Source Description
algorithmic-art — Create algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Generates generative art from algorithmic philosophies expressed as flow fields, particle systems, and noise fields.
canvas-design — Create beautiful visual art in .png and .pdf documents using design philosophy. Generates posters, artwork, and static visual pieces with curated typography and intentional composition.
slack-gif-creator — Create animated GIFs optimized for Slack with proper dimensions, frame rates, and file sizes. Includes PIL-based utilities for frame composition, easing, and validation.
instagram-reel-editor — Turn raw travel-style footage folders into cinematic Instagram Reels (9:16) with grading, cuts, overlays, and music. Includes Python helpers to scan clips and build the final MP4.
remotion remotion-dev/remotion Make videos programmatically with React using Remotion. Produces product demos, tutorials, social clips, Manim-style animations, and branded pipelines with voiceover and FFmpeg.

Git & GitHub

Skill Source Description
changelog-generator ComposioHQ/awesome-claude-skills Transform git commit history into polished changelogs and release notes. Groups changes by type, filters internal noise, and outputs Keep a Changelog formatted entries or app store notes.

Tier 2 — Strong Supporting Pages

Productivity & Tasks

Skill Source Description
pm-skills phuryn/pm-skills Product management workflows for PRDs, OKRs, and meeting notes. Covers discovery, strategy, execution, launch, and growth workflows for knowledge workers.
resume-tailoring varunr89/resume-tailoring-skill Tailor resumes to job descriptions with ATS keyword optimization, gap analysis, and rewritten bullets. Supports single-role and batch tailoring with zero fabrication.

PDF & Documents

Skill Source Description
pdf — Work with PDF files: extract text/tables, merge/split, rotate pages, add watermarks, fill forms, encrypt/decrypt, extract images, and OCR scanned PDFs.
docx — Create, read, edit, and manipulate Word documents (.docx). Covers document creation, tracked changes, comments, find-and-replace, tables of contents, and professional formatting.
xlsx — Work with spreadsheet files (.xlsx, .xlsm, .csv, .tsv): create, edit, format, compute formulas, clean messy data, and convert between tabular formats.
pptx — Create, read, edit, and manipulate PowerPoint presentations (.pptx). Covers slide decks, pitch decks, templates, layouts, speaker notes, thumbnails, and content extraction.
doc-coauthoring — Guide users through structured co-authoring of documentation, proposals, technical specs, and decision docs via context gathering, iterative refinement, and reader testing.
contract-review-risk-scoring evolsb/claude-legal-skill Review contracts with CUAD-based clause-by-clause risk scoring, market benchmarks, negotiability ratings, redline suggestions, and an overall Contract Safety Score.
legal-work-plugin anthropics/knowledge-work-plugins In-house legal workflows for playbook-based contract review, NDA triage (GREEN/YELLOW/RED), compliance briefings, and vendor agreement checks.
claude-for-legal anthropics/claude-for-legal Full legal plugin suite for commercial contract review, privacy/DPA analysis, DSAR responses, and AI governance vendor reviews with EU AI Act triage.

Speech & Transcription

TBD — Category placeholder for future skills.

Communication

Skill Description
internal-comms Write internal communications including 3P updates, company newsletters, FAQ responses, status reports, and leadership updates using company-standard formats.

Security & Passwords

TBD — Category placeholder for future skills.

Tier 3 — Niche but Valuable

CLI Utilities

TBD — Category placeholder for future skills.

Notes & Knowledge Management

TBD — Category placeholder for future skills.

Apple & Mobile Development

TBD — Category placeholder for future skills.

Shopping & E-commerce

TBD — Category placeholder for future skills.

Finance

TBD — Category placeholder for future skills.

Bonus / Future

Agent-to-Agent Protocols

TBD — Category placeholder for future skills.

Installation

Quick Install (all agents)

npx @eigent-ai/agent-skills install

This auto-detects installed agents (Claude Code, Cursor, Windsurf, Codex, Copilot) and installs skills to each.

Install specific skills only

npx @eigent-ai/agent-skills install mintlify-docs-updater
npx @eigent-ai/agent-skills install mintlify-docs-updater webapp-testing

Use npx @eigent-ai/agent-skills list to see all available skills.

Install for a specific agent

npx @eigent-ai/agent-skills install -a claude-code
npx @eigent-ai/agent-skills install -a cursor mintlify-docs-updater

Install globally (user-level)

npx @eigent-ai/agent-skills install -g

Via the Skills ecosystem

npx skills add eigent-ai/agent-skills

Updating

Pull the latest skills from GitHub:

npx @eigent-ai/agent-skills update

The CLI tracks a content hash so it only writes when there are actual changes.

Auto-update

Set up scheduled updates with a cron job:

npx @eigent-ai/agent-skills auto-update              # weekly (default)
npx @eigent-ai/agent-skills auto-update --interval daily

This prints the cron line to add to your crontab.

CLI Reference

Command Description
install [skill...] Install all skills (or specific skills) to detected agents
update Fetch latest from GitHub and update
uninstall [skill...] Remove all or specific installed skills
list List available skills in this package
status Show install status per agent
auto-update Print cron setup for scheduled updates
doctor Check which agents are detected

Flags: --agent, -a (target agent), --global, -g (user-level), --yes, -y (skip prompts)

Usage

Skills are automatically available once installed. The agent will use them when relevant tasks are detected.

Examples:

  • "Create a distinctive settings page interface for this product."
  • "Ingest this Markdown file into Mintlify docs and update docs.json navigation."
  • "Create a generative art piece with flow fields and particle systems."
  • "Design a poster with bold typography and intentional composition."
  • "Build a landing page with distinctive, production-grade design."
  • "Create a Word document with tracked changes and comments."
  • "Apply Anthropic brand colors to this component."
  • "Make me a GIF of a spinning logo for Slack."
  • "Write a 3P update for this week's sprint."
  • "Build a complex multi-component artifact with shadcn/ui."
  • "Test my local web app with Playwright and capture screenshots."
  • "Apply the Ocean Depths theme to my slide deck."
  • "Help me co-author a technical design doc."
  • "Edit this folder of travel clips into an Instagram Reel with music."
  • "Post this video to Instagram with this caption and hashtags."
  • "Generate an architecture diagram as an excalidraw file for this repo."
  • "Help me build an MCP server in TypeScript that wraps our internal API."
  • "Audit this ML CI failure and decide whether it is a real training regression or a gate/policy issue."
  • "/last30days AI writing tools market sentiment --emit=html."
  • "Write a 3-email launch sequence for our new pricing plan."
  • "Run an SEO audit on this landing page and give me a prioritized fix list."
  • "Generate marketing ideas for a B2B SaaS tool with a $5k/month budget."
  • "Help me design an A/B test for our signup CTA button."
  • "/spec - Design a public webhooks API with retries and reliable delivery."
  • "/review - Audit this API endpoint handler for security issues."
  • "/ship - Plan a staged rollout for our new recommendation engine."
  • "Humanize this blog post so it doesn't sound like AI wrote it."
  • "Write a PRD for a notification preferences center."
  • "Generate a changelog for commits between v1.4.0 and v1.5.0."
  • "Tailor my resume for this job description."
  • "Build a web prototype for a B2B invoicing tool."
  • "Create a 30-second product demo video with Remotion."
  • "Review this NDA as the receiving party and give me a Contract Safety Score."

Skill Structure

Each skill contains:

  • SKILL.md - Instructions for the agent
  • scripts/ - Helper scripts for automation (optional)
  • references/ - Supporting documentation (optional)
  • assets/ - Templates or static resources used by the skill (optional)

License

Apache License 2.0. See LICENSE for the full text.

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Open-Source Cowork Agent Skills Collection | High Quality for Exceptional Productivity

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