Find the right tools for your agent
A directory of Skills, MCP servers, CLIs and plugins that make your agent more useful.
My picks
Hand-reviewed by me and worth trying first
Browser Use
CLIOpen-source browser agent project. Its browser-use CLI lets Claude Code, Codex and other agents drive your logged-in local Chrome with Python snippets, or connect to a cloud browser; also ships a Python agent library. The cloud browser needs an API key.
browser-use/browser-use118kBrowser Use
SkillControls your local Chrome over CDP to navigate, click, type, take screenshots and scrape data, reusing logged-in sessions. Official browser-use skill; install the browser-use CLI with uv first.
browser-use/browser-use118k
mattpocock/skills
PluginMatt Pocock's engineering skills: /grill-me interrogates requirements to align on intent, then a spec-and-ticket flow, TDD, code review and domain modeling. Small, composable skills, listed in the official Claude Code plugin marketplace.
mattpocock/skills293k
MarkItDown-MCP
MCPFrom Microsoft: converts PDF, Word, Excel, PowerPoint, HTML and other files or URLs to Markdown so agents can read and search them. A single convert_to_markdown tool over STDIO or local HTTP.
microsoft/markitdown190k
Superpowers
PluginA complete development methodology for coding agents: brainstorm to clarify requirements, write an implementation plan, then build with subagents, with red-green TDD, systematic debugging and code review throughout. In the official Claude Code and Codex marketplaces.
obra/superpowers300k
Stripe MCP
MCPLets agents call the Stripe API to manage customers, payments, subscriptions, invoices and refunds, and search Stripe docs and support articles. Maintained by Stripe; the remote server uses OAuth, or run it locally via npx with a secret key.
stripe/ai2k
Knowledge Work Plugins
PluginAnthropic's knowledge-work plugin marketplace, bundling skills, commands and connectors by role: sales, support, product, marketing, legal, finance, HR, data and more, plus many partner plugins. Built mainly for Cowork; also works in Claude Code.
anthropics/knowledge-work-plugins29.9kClaude for Financial Services
PluginAnthropic's financial-services plugin marketplace: skills, commands and agents for valuation models (DCF, LBO, comps), banking materials, sell-side research, private equity and fund ops, with FactSet, Morningstar and other connectors that may need vendor subscriptions or keys.
anthropics/financial-services40.1kKnowledge Work Plugins
SkillAnthropic's role-based skill collection covering sales, finance, legal, HR, support, marketing, product, design, operations and data analysis: over a hundred skills you can install one at a time. Works best with CRM, data warehouse and other connectors.
anthropics/knowledge-work-plugins29.9k
Marketing Skills
PluginMarketing skills for technical marketers and founders: 50 skills covering conversion optimization, copywriting, SEO and AI search, paid ads, email and cold outreach, pricing, customer research and launch strategy, all sharing one product-marketing context.
coreyhaines31/marketingskills55k
Cloudflare MCP Server
MCPCloudflare's official remote MCP servers: manage Workers and bindings such as KV, R2 and D1, and query logs and observability, builds, DNS analytics and Radar data. Authorizes with Cloudflare OAuth; some features need a paid plan.
cloudflare/mcp-server-cloudflare4.4k
Context7
MCPInjects up-to-date, version-specific docs and code examples for libraries and frameworks into the agent's context, so it stops using outdated or invented APIs. By Upstash; works anonymously, and a free API key raises the limits.
upstash/context763.1k
Collections
Hand-picked sets of tools, each built around one job
Spec, TDD and review for coding agents
For developers and tech leads who want coding agents to work like careful engineers: guardrails first, then interview, spec, test-first build, debug, verify, review. Most run in Claude Code or Codex; the three Anthropic plugins are Claude Code only. Agent review assists; a person approves merges.
12 resources
UI design taste for agent-built apps
For designers and frontend devs making agent-built web UI look designed. Most items need a coding agent like Claude Code or Codex, Node.js and web code. Set the system, explore, commit, review, polish, animate, test accessibility. Figma MCP: paid Dev/Full seat. Checks don't replace design review.
12 resources
Code-made video: launches and explainers
For founders, marketers, developer advocates and teachers: Claude Code or Codex on your computer scripts, voices, builds, captions and publishes the video. ElevenLabs, HeyGen and Postiz cloud have paid plans; for-profit firms over 3 people need a Remotion license. Label AI voices and avatars.
15 resources
Office documents: Word, Excel, slides
For office staff, analysts, consultants: read files and scans, build the sheet, write the report, make the deck, handle PDFs, share. Anthropic's docx, xlsx, pptx and pdf skills power Claude's file features; others need Python or Node. Check every number; keep confidential files in approved tools.
15 resources
Trending
The most viewed and installed resources in the last 7 days
- Heat12
Browser Use
CLIOpen-source browser agent project. Its browser-use CLI lets Claude Code, Codex and other agents drive your logged-in local Chrome with Python snippets, or connect to a cloud browser; also ships a Python agent library. The cloud browser needs an API key.
Heat11PostHog MCP
MCPPostHog's official hosted MCP: lets agents query product analytics with HogQL, manage feature flags and A/B experiments, and investigate errors and session replays. Sign in to PostHog to authorize; tool calls are free, though a few LLM-powered tools count toward AI usage.
Heat10Auto-Empirical Research Skills (AERS)
SkillEmpirical social science skills from Stanford REAP and CoPaper.AI, bundling 77 in-house and third-party collections: topic selection, literature reviews, DID/RD/IV identification, regression tables in Python, Stata or R, robustness audits and paper writing. Stata flows need Stata installed.
- Heat9
PDF
SkillExtracts text and tables from PDFs; merges, splits and rotates pages, adds watermarks, fills forms and OCRs scanned documents. The official Anthropic skill behind Claude's document features; source-available, not open source.
- Heat9
Browser Use
SkillControls your local Chrome over CDP to navigate, click, type, take screenshots and scrape data, reusing logged-in sessions. Official browser-use skill; install the browser-use CLI with uv first.
- Heat8
Superpowers
PluginA complete development methodology for coding agents: brainstorm to clarify requirements, write an implementation plan, then build with subagents, with red-green TDD, systematic debugging and code review throughout. In the official Claude Code and Codex marketplaces.
- Heat8
SEO Audit
SkillDiagnoses website SEO issues: checks crawling and indexing, Core Web Vitals, metadata and on-page content, and gives prioritized, actionable fixes. From the marketingskills collection.
- Heat8
Linear
PluginOfficial Linear plugin in Anthropic's marketplace: connects the hosted Linear MCP to create and update issues, manage projects and states, and search across workspaces from chat. Needs a Linear account and OAuth authorization.
- Heat8
Product Management
PluginProduct management plugin: writes PRDs from a problem statement, plans and updates roadmaps, generates stakeholder updates, synthesizes user research, and runs competitive analysis and metrics reviews. Official from Anthropic.
- Heat7
mattpocock/skills
PluginMatt Pocock's engineering skills: /grill-me interrogates requirements to align on intent, then a spec-and-ticket flow, TDD, code review and domain modeling. Small, composable skills, listed in the official Claude Code plugin marketplace.
Latest posts
Claude Code for applied economists: data, Stata or R, and a replication package
A practical guide for economics PhD students and applied researchers: connect Claude Code to Stata or R, script your FRED, EDGAR and Census downloads, run and audit identification designs, and assemble an AEA-style replication package, plus the checks a human still has to do.
2026-10-12
Give your agent a browser: choosing browser automation tools
Which browser tool to give an AI agent for four jobs: checking a frontend change, end-to-end testing, working in sites you are signed in to, and collecting web data. Setup commands, example prompts, privacy defaults to switch off, and safety rules for logged-in sessions.
2026-10-12
Getting cited by AI answer engines without spamming: an SEO and GEO audit workflow
A step-by-step audit for in-house marketers and founders: fix technical SEO, check which AI crawlers you let in, test whether ChatGPT, Perplexity and Google cite you, pick pages with Search Console, refresh and edit them, and earn honest third-party mentions. Tools, setup, prompts and limits.
2026-10-12