26 Bolt-Ons Indexed
3 Categories
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Diagram: how your AI talks to apps, data, and services through MCP servers, with plugins and skills extending its capabilities.
How to read this page

The AI Vendor Landscape covers the platforms themselves. This page covers what to add on top: plugins (bundles of skills and tools), skills (single-purpose know-how), and MCP servers (connectors to your apps and data). Different shopping moment, different mental model. Pick a category, scan the cards, and do your own due diligence before installing anything.


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01

Plugins

Bundles of capability you install in one motion: a plugin can ship dozens of skills, prompts, and tools tuned for a domain. The highest-leverage install if you want a whole specialist team showing up at once.

gstack
claude.ai/plugins
Plugin

23 specialist tools in a single install. The closest thing to dropping a full development team into your Claude in one move. Strong default if you don't know where to start.

Claude 82.7k ★ Setup
superpowers
claude.ai/plugins
Plugin

A complete development methodology packaged as 14 skills. Opinionated about how to structure work, draft requirements, review code, and ship reliably. Most-starred plugin in the ecosystem.

Claude 192k ★ Setup
codex-plugin-cc
github.com/openai
Plugin

OpenAI's official Codex plugin for Claude Code. Lets you run OpenAI's coding model side by side with Claude in the same session. Handy when you want a second opinion on a tricky diff.

Claude Code 8.9k ★ Setup
financial-services
claude.ai/plugins
Plugin

Investment banking, equity research, private equity, and wealth management workflows in one bundle. Aimed at boutique shops and CFO offices that want senior-analyst leverage without a full data team.

Claude 23k ★ Setup
claude-for-legal
claude.ai/plugins
Plugin

Legal workflows across practice areas: contract review, clause comparison, redline drafting, and matter intake. Sized for solo practitioners and small firms that don't have a legal-ops team.

Claude 6.6k ★ Setup
claude-skills
github.com/anthropics/skills
Plugin

The catch-all plugin: 255+ skills across every platform. Native .docx, .pptx, .xlsx, and .pdf creation; image, audio, and video helpers; and a long tail of workflow primitives. The single highest-leverage install for knowledge workers.

Claude 5.2k ★ Setup
marketingskills
claude.ai/plugins
Plugin

40 marketing tools across the full growth-ops surface: campaign planning, persona briefs, channel-fit analysis, lifecycle copy, and reporting templates. Marketer hand-off without losing the strategy.

Claude 28.8k ★ Setup
social-media-skills
claude.ai/plugins
Plugin

A content OS for posts, reels, and captions. Voice consistency across platforms, scheduling cadence helpers, and adaptation between LinkedIn, X, and short-form video. Pairs naturally with Granola for meeting-to-post pipelines.

Claude Setup
02

Skills

Single-purpose know-how you add to your AI: a skill is one well-described task, automatically invoked when the work calls for it. Lighter than a plugin, narrower than an MCP, and easy to mix and match.

frontend-design
claude.ai/plugins
Skill

Kills generic AI UI. The taste fixer for front-end work: opinionated about spacing, type, and component shape so your build looks designed instead of defaulted. Most-installed skill in the catalog.

Claude 277k installs Setup
hyperframes
claude.ai/plugins
Skill

Write HTML, render video. Agent-native. Lets Claude generate motion graphics and explainer-style video right out of HTML markup. The fastest path from rough idea to a usable B-roll clip.

Claude 18.6k ★ Setup
ai-second-brain
claude.ai/plugins
Skill

Karpathy-style wiki built from your AI history. Turns past chats and projects into a queryable knowledge base so you stop re-asking the same setup questions.

Claude Setup
notebooklm-skill
claude.ai/plugins
Skill

Lets Claude query your research and playbooks the way NotebookLM does: grounded answers, source citations, and good behavior on long PDFs. Stays inside Claude so you don't need to swap tools.

Claude Setup
humanizer
claude.ai/plugins
Skill

Strips AI writing tells from any draft. Targets the specific cadence and word choices that make machine prose feel machine-written, and rewrites them in a more natural voice.

Claude Setup
claude-seo
claude.ai/plugins
Skill

GEO-first SEO skill. Built for the AI era: optimizes pages for both classic search and the new generative-search surfaces (Perplexity, ChatGPT Search, Google AI Overviews).

Claude 4.5k ★ Setup
skills
claude.ai/plugins
Skill

The Vue and Vite core teams' own skills collection. Best-in-class for front-end work on those stacks because the maintainers wrote it. Use it any time you're building or refactoring a Vue app.

Claude 3.5k ★ Setup
caveman
claude.ai/plugins
Skill

Cuts about 65% of tokens. Talks like caveman. Sounds like a joke, behaves like a cost lever: shorter prompts, shorter responses, less budget burn for routine calls.

Claude 59.2k ★ Setup
03

MCP Servers

Connectors that let your AI read and act on the rest of your stack. MCP (Model Context Protocol) is the open standard that finally makes "your AI can use my tools" a normal sentence instead of a custom build. Three flavors below: direct hooks into apps you already use, specialized tools that bring their own AI capability, and integration platforms that bundle thousands of services behind one endpoint.

Submit a Bolt-On for Review

Know a plugin, skill, MCP, or agent that should be on this page? Submit it for review and we'll consider it for the next monthly refresh.

Methodology & disclaimer. The AI Bolt-Ons page is a reference index of plugins, skills, MCP connectors, and browser agents in circulation. Modeled on our AI Landscape, it is intended to map the ecosystem broadly rather than to recommend a curated shortlist of FIS-tested tools. Inclusion here is not endorsement, recommendation, partnership, engagement, or fitness for any particular use case. Setup ratings reflect general complexity expectations and may differ on your stack. Always conduct independent diligence before procurement or integration. The bolt-on ecosystem moves quickly; tools may have repositioned, been acquired, or wound down since publication.