"Free servers available for testing purposes" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Pay-per-use APIs for agents: web research, data lookups, and metered endpoints billed to credits.
AEO and SEO research engine for your brand. Studies what gets ranked and cited on a topic, then builds content plans around what your brand can add. Tracks how AI engines mention and cite your brand against competitors, and ranks what to work on next. Requires a Hi, Moose account. Some tools need the desktop app open on a host computer.
B2B and consumer services marketing intelligence and lead-capture tools for vertodigital.com.
Brand protection: watch domains, trademarks, apps and search ads for impersonators, triage matches.
Run your social media from Claude, ChatGPT or any MCP client. Feedlio's MCP server lets your assistant list workspaces and connected accounts, add media, and create, edit, reschedule and cancel posts across 15 platforms, including Facebook, Instagram, LinkedIn, YouTube, TikTok, Pinterest, Threads, Bluesky, Mastodon, Dev.to and Google Business Profile. Sign in with OAuth on Feedlio's own page. MCP is included on every Feedlio plan, the Free plan too. Support: support@feedlio.io. Also in Claude's Connectors Directory: https://claude.ai/directory/connectors/feedlio
Marcora is the context layer for go-to-market teams. Build your source of truth once: a Brand Foundation (positioning, brand voice, and writing style) plus a Reference Library of product docs, buyer personas, competitive analysis, and messaging. Claude, ChatGPT, and any AI tool that supports MCP connections read from it, so what you write stays on-brand and accurate.
Audit public webpages and supplied markup for HTML, CSS, SEO, JSON-LD, and link issues.
Schedule, publish, edit and cancel social media posts on your Sociro accounts from your AI assistant, and plan a week of posts with Sociro's AI Planner that waits for your approval.
Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.
Free website tracking audit, no account needed: GTM, GA4, Meta Pixel, Consent Mode v2, server-side
Hosted MCP for Google Ads, Search Console, GA4 and Merchant Center: ask, build, approve changes.
AEO, SEO and AI shopping checks for any website. xfix checks whether ChatGPT, Claude, Perplexity and Google can find and read a site, and whether AI shopping agents can read an online store: AI crawler access, page text without JavaScript, product schema, AI search visibility score, AI Shopping Readiness Index lookup, and a Google Ad Grants website check. Read-only, no sign-in. Website: https://xfix.ai/ai-assistants/
Deterministic marketing math for AI agents: LTV:CAC, pipeline coverage, A/B tests, pricing.
Buzzmark is a ghostwriter that writes, plans and schedules social media posts for founders and growing businesses. It reads your website first, so drafts sound like you, and it works in the web app or from Claude, ChatGPT and Cursor. Every scheduled post lands on your calendar before it goes out.
Make, find, pause and track short links and QR codes from your AI assistant. Create short links with an optional custom address, title and tags; find links and QR codes; update, pause, resume, archive or restore them; and read click analytics (clicks, unique visitors, countries, referrers, devices, browsers) for a link, a QR code or the whole account. Sign in with OAuth and choose what the assistant may do. Every change can be undone; nothing is ever permanently deleted. Works on every plan, including Free.
One key and one prepaid balance for the live data AI agents need: Google search results, keyword and SEO data, Google Maps places, e-commerce product prices and exchange rates. Agents find tools by job, see the price before running, and pay per call. Failed calls are free. Sign in with OAuth, no API key to copy. Early access: new accounts are approved in batches.
Trend data, insights and recommendations for AI agents. Read-only, with an Agent Skill.
Free Google Search Console MCP: your real GSC, Google Analytics and keyword data for AI agents.
Flinty's MCP connector lets you run your SEO and AI-visibility workflow from Claude, ChatGPT or any MCP client. Plan topic clusters, generate and publish articles on your site in 34 languages, review metrics and top pages, run page audits, and track whether ChatGPT, Perplexity, Gemini, Grok and Claude mention your brand, which competitors they recommend and which sources they cite. OAuth 2.1 sign-in, read and write tools, free trial available.
Server-side conversion tracking for Meta, TikTok, etc. Set up tracking and ask about events.
Plan and schedule social posts, answer DMs and draft email campaigns for a small business.
Spot keyword demand rising or fading. Trend volume and growth signals. Free key at trendsmcp.ai
AI visibility for brands and agencies: scores, rankings, prompts, source gaps, evidence. OAuth.
An export sales team for consumer brands, inside your AI: markets, buyers, emails and pricing.
Connect your AI assistant to Revnu, your autonomous growth agent for outbound sales, SEO, content, social media and ads. Use this MCP connector to read leads and campaign results, review and approve queued work, hand jobs to your Revnu agent, and schedule recurring workflows from your AI chat. Supports Streamable HTTP and OAuth with permissions you choose at sign-in. Tools act on your connected Revnu account; write actions require explicit permissions. Learn more and connect at https://revnu.com/mcp.
Read-only Google Ads, GA4 and Search Console data for Claude, with no Google Cloud setup.
Read-only Amazon profit, fee, ACoS, and geo-holdout MCP tools for Claude, ChatGPT, and agents.
TinyTo shortens links and shows what happens after the click: country, device, weekday/hour heatmap. It also generates QR codes for free, with an optional logo, downloaded as PNG or SVG — no account, nothing uploaded. Dynamic QR codes point at an editable short link, so a printed code can be repointed without reprinting.
Reddit analytics and audience research for AI assistants: find subreddits for a topic, see who is in them, the best time to post, posting rules and Reddit brand mentions. KissMyPost works as a subreddit finder and Reddit marketing tool: subreddit growth and audience stats, similar subreddits, trending topics, Reddit post and mention search, and threads worth a reply. 17 read-only tools. Free API key at kissmypost.com/mcp. Not affiliated with Reddit, Inc.
AI marketing team for founders, callable from any agent: plan what to say, edit video, generate images and clips, write and design posts, publish to LinkedIn, X, Instagram, TikTok, YouTube, Facebook, Threads, Bluesky, Discord and Mastodon and read what performed. OAuth sign-in, no API key; every draft waits for approval unless you say publish now. Free Forever plan: 10 posts a day, no card.
