The best Claude connectors for marketing: a 2026 list

What Claude connectors are

A connector is a bridge between Claude and another service. Under the hood it’s an MCP server: a service that offers Claude a set of tools - “run a GA4 report”, “search Drive”, “create a Canva design” - that Claude can call when your question needs them. Claude decides which tool to call, the connector fetches the data from the service, and Claude answers from what comes back.

Connectors come in two kinds. Remote connectors are hosted by the vendor and added with a URL or from Claude’s directory; they work in claude.ai, Claude Desktop and Claude Code. Local servers run on your own machine, usually from a GitHub repository, and suit developers who want full control. Most marketers only ever need remote connectors.

How to add a connector

Custom connectors are available on Claude’s Free, Pro, Max, Team and Enterprise plans, with Free limited to one custom connector, according to Anthropic’s help center. If your work account won’t let you add one, see what to send your admin.

What data can Claude access through connectors?

Claude can access exactly what a connector’s tools expose, limited to what the account you signed in with can already see - nothing more. In practice that means:

• Only the tools on offer. A GA4 connector that offers reports can run reports; if it has no tool for changing settings, Claude can’t change settings.
• Only your permissions. Connectors sign in as you (usually with OAuth). If your Google account can’t see a client’s Ads account, neither can Claude.
• Only when asked. Claude calls a tool when a question needs it, and you can see each call. Claude asks before running a tool unless you’ve chosen to always allow it.
• Live or synced, depending on the connector. Some query the source at the moment you ask (Caybl.ai, Windsor.ai, Porter Metrics say theirs do); others work from data sets refreshed on a schedule.

What Claude can’t do through a connector: reach services you haven’t connected, bypass the service’s own permissions, or see data the connector doesn’t return. Check each connector’s privacy policy for what the vendor itself stores.

Analytics, ads and SEO connectors

This is where most marketing questions start: traffic, conversions, spend, search terms and rankings.

Caybl.ai (Google Analytics, Google Ads, Search Console, Bing, Microsoft Advertising and more)

Our own connector, so judge it accordingly. Caybl.ai is a hosted MCP server for Google Analytics 4, Google Ads, Search Console, Bing Webmaster Tools, Microsoft Advertising, Tag Manager, YouTube and PageSpeed Insights, listed in Claude’s connector directory. Data is fetched live and not stored. Google Analytics is free with unlimited questions; the rest are on Pro at $29/month. Google Ads changes sit behind a per-account switch and can be dry-run first. It doesn’t cover Meta (coming soon), TikTok or LinkedIn.

Google’s own GA4 and Google Ads MCP servers

Google publishes open-source MCP servers for Google Analytics and Google Ads on GitHub. They’re free and run locally with Python: you need a Google Cloud project, your own credentials and, for production Ads accounts, Google Ads API access. The GA4 server is read-only unless started with a write flag; the Ads server’s listed tools retrieve data. A good fit for engineers; heavier for most marketers. More in Caybl.ai vs self-hosting Google’s GA4 server.

Supermetrics

Supermetrics MCP connects Claude, ChatGPT and other MCP clients to Supermetrics’ marketing sources, including Google Ads, Meta, LinkedIn, TikTok, Microsoft Ads, GA4, HubSpot and Shopify. MCP access comes with a Supermetrics subscription, with a 14-day free trial. Best if your team already reports through Supermetrics.

Windsor.ai

Windsor.ai is a data-integration platform with 350+ sources and Windsor MCP on every plan, including a free plan for one source; paid plans start at $19-23/month for three. It’s in Claude’s directory, and the same connections feed Looker Studio, Sheets and warehouses. See Caybl.ai vs Windsor.ai and Windsor.ai alternatives.

Coupler.io

Coupler.io builds data flows from 400+ sources into spreadsheets, BI tools and AI destinations including Claude and ChatGPT. Claude works from the data sets in flows you point at it, refreshed on a schedule or on demand. It has a free plan for one source; check which paid plans include AI destinations.

Porter Metrics

Porter Metrics, known for Looker Studio connectors, includes its MCP for Claude and ChatGPT on every plan and prices per connected account, from $15/month for one. It covers 30+ sources, including Meta, Google Ads, GA4 and Search Console. See Caybl.ai vs Porter Metrics.

Markifact

Markifact is a cross-channel marketing MCP in Claude’s directory, with about 45 integrations including 14 ad platforms, plus SEO tools such as SEMrush and Ahrefs. Writes are approval-gated. Pro is $79/month for one seat with credits. The strongest pick here if you run many ad platforms. See Caybl.ai vs Markifact and Markifact alternatives.

CRM and email connectors

HubSpot (official MCP server)

HubSpot hosts a remote MCP server that gives AI tools read and write access to core CRM objects - contacts, companies, deals, tickets - and engagements such as calls, emails, meetings and notes, with campaigns and website content read-only. Useful for questions like “which deals came from organic search this quarter?” when paired with an analytics connector.

Klaviyo (official MCP server)

Klaviyo recommends its remote-hosted MCP server, which can retrieve campaign results, compare flow performance and create campaigns. It documents Claude, ChatGPT, Cursor and VS Code, and offers a read-only mode that turns off tools that modify your account.

Design, docs and team chat

Canva

Canva’s AI Connector lets Claude search your designs, create and edit them, export files and fill Brand Templates with Autofill. Canva says it’s available on all Canva accounts, including Free, with some actions needing a paid Canva plan.

Google Drive (and Gmail, Calendar)

Claude’s own Google Workspace connectors cover Gmail, Google Calendar and Google Drive. Drive search reads Docs, Sheets, Slides and PDFs as text - handy for pulling last quarter’s brief into a new plan. On Team and Enterprise, an Owner enables them first.

Notion

Notion hosts its own MCP server, signed in with OAuth, that can search, read, create and update the pages and databases you can access. A natural home for the reports Claude writes from your data.

Slack

Claude’s Slack connector searches the channels, messages and files your account can see, so you can ask what the team decided about a campaign. An admin usually needs to set it up first.

The list at a glance

Checked 23 October 2026 on each vendor’s own site. Prices and features change - check their sites for the latest. Annual-billing prices shown where that’s the lowest listed.

How to choose, and stay safe

• Start with one data connector. Pick the one that covers the platforms you actually spend on. Two connectors for the same source tend to confuse Claude about which to use.
• Connect read-only first. Where a connector has a read-only mode or a write switch, start with it off, and turn it on once you trust the answers.
• Keep approvals on for writes. Let Claude always run read tools if you like, but review anything that changes a campaign, a CRM record or a published design.
• Only connect servers you trust. A connector sees what Claude sends it, and content it returns can contain instructions. Prefer vendor-hosted or directory-listed connectors.
• Give Claude a procedure. Free Claude skills tell Claude how to run an audit - thresholds, steps, output - so answers are consistent week to week.

Using ChatGPT too? See ChatGPT MCP connectors. Working from the terminal? See Claude Code for marketing. For Google Ads specifically, 4 ways to connect Google Ads to Claude.