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Try Taplio for freeA Claude marketing skill is a reusable playbook you load into Claude so it runs a marketing job the way a specialist would: an SEO audit, an ad-account review, a content brief, a LinkedIn post. The ecosystem exploded in 2026, and the good news is that most of the best skills are free and open on GitHub. The bad news is that "best marketing skills for Claude" lists are now a swamp of repos with no map.

This is the map. Below are the Claude marketing skills worth your time, grouped by the job they do, with the real repo for each and a straight line on when to use it. Then the part most roundups skip: the MCP connectors that turn a skill from a clever prompt into something that reads your real data and ships real work. A skill is the method; an MCP is the hands. Marketers who win with Claude use both.

Two things plug into Claude, and they are easy to confuse:
You do not need a terminal for either. To add an MCP, open Settings in Claude (Pro, Max, Team, Enterprise) or ChatGPT (Plus, Pro, Business), go to Connectors, click Add custom connector, paste the MCP server URL, and authenticate. The Taplio LinkedIn MCP, for instance, is just https://mcp.taplio.com pasted as a custom connector. If you do live in an IDE, the terminal form is claude mcp add --transport http taplio https://mcp.taplio.com. That is the whole setup.
Now the skills.
Marketing is not one job, so there is no single best marketing skill. There are clusters, and the strongest setup picks one skill per cluster you actually work in, then connects the matching data MCP. Here is the full landscape.

Search is splitting into classic SEO and answer-engine optimization (getting cited by ChatGPT, Perplexity, and Gemini), and the skills have followed.

These skills get far stronger with a real data MCP behind them (covered below): without one, Claude is guessing at volumes and rankings.
Ad skills are where Claude saves the most hours, because audits are tedious and rule-based.
The biggest category, and the easiest to do badly. The skills worth having enforce a process, not just a tone.
Good marketing starts with knowing the field. These skills give Claude eyes.
This is where Taplio lives, and where the skill-plus-MCP combo is most visible.
The free Claude Skills for LinkedIn library from Taplio covers the whole LinkedIn workflow: post writer, hook generator, carousel builder, repurposer, content calendar, and analytics interpreter. On its own, the library is a strong set of prompts. Connected to the Taplio LinkedIn MCP, it runs on your real account: Claude can search the viral-post inspiration index, draft in your voice, schedule or publish, and read your analytics, with nothing going live until you approve it. That is the difference between a skill that writes a post and a skill that ships your week of LinkedIn.

For broader social, sergebulaev/linkedin-skills generates posts, comments, and growth workflows, and charlie947/social-media-skills is a voice-first system that adapts one idea to each channel.
Where you find the growth that content and ads leave on the table.
A skill tells Claude how to audit SEO; an MCP gives it the live data to audit. For marketers, these are the connectors worth adding alongside the skills above:
Add each as a custom connector in Claude or ChatGPT, the same two-minute flow as above. For a fuller, cross-category breakdown of these connectors, see our guide to the best Claude skills and MCPs.
More skills and connectors is not better. Each connector adds tools Claude has to reason over, which slows it down and muddies its choices. A clean starting stack:
Four well-chosen pieces beat twenty you never open.
They are reusable instruction files (Anthropic Agent Skills) that teach Claude to run a specific marketing job, like an SEO audit, an ad-account review, or a LinkedIn post. Most of the best ones are free and open on GitHub, and they get stronger when paired with an MCP that connects Claude to your real data.
A skill is the method: instructions that teach Claude how to do the work. An MCP is the hands: a live connection that lets Claude read your real data and take actions in a tool. The best marketing setups load a skill and connect the matching MCP, so Claude works on your numbers, not a template.
The free Taplio Claude Skills for LinkedIn library, connected to the Taplio LinkedIn MCP. It covers writing, hooks, carousels, repurposing, calendars, and analytics, and runs on your real LinkedIn account so Claude can research, draft, schedule, and measure, with nothing published without your confirmation.
Most are. Almost every skill in this guide is an open-source GitHub repo you can use for free. The cost shows up in the data MCPs: SEO, ads, and CRM platforms bill on usage or subscription, while Taplio's skills library is free and its MCP works with your existing account.
No. You add a skill by pasting it as a prompt or dropping a file in a folder, and you add an MCP as a custom connector in the Claude or ChatGPT web app: Settings, Connectors, add a custom connector, paste the URL, authenticate. The terminal is optional, mainly for Claude Code and Cursor.

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