"How to obtain an API key" matching MCP servers:

MCP server for creating and managing Linkonda short links, supporting anonymous use without an API key and full link management with a key, while collecting only total redirect counts for privacy.

Search 47,000+ marketing agencies and get AI-matched with fitted agencies, from Pick an Agency.

Provides four free tools to assess AI visibility: crawler access, entity recognition, off-page gaps, and shopping agent compatibility, without requiring an API key.

Lets MCP clients answer questions about website traffic using Plausible Analytics Stats API v2 through read-only tools for totals, trends, breakdowns, and realtime visitors.

Enables AI assistants to verify email deliverability and find business emails via the Verifox API, supporting single and bulk operations.

Enables users to ask buyer questions across Google AI Overviews, ChatGPT, Claude, Perplexity, and Gemini and receive sampled answer rows, brand named/cited rates, competitor rates, and cited sources. Runs the tracking workflow on Apify and returns dataset rows ready for analysis.

Giggal.ai is an email verification tool that runs a deep mailbox existence check on every address and verifies catch-all/accept-all and even SEG protected emails. Your bounce rate stays under 5%, and the 30% of every B2B list that other tools flag as "Risky" becomes deliverable again.

Marketing Analytics AI - MCP server providing AI-powered tools and automation by MEOK AI Labs

AutomateLab AI-SEO audits, scores, and rewrites web pages for AI citation eligibility, AEO and GEO. No API keys or registration. Works with Claude, Cursor, Codex, and other MCP clients. Product and documentation: https://automatelab.tech/products/mcp/ai-seo/

Provides twelve read-only tools that report how often ChatGPT, Claude, Gemini, Perplexity and Google AI Overviews name and cite a brand, covering visibility, share of voice, sentiment, competitor mentions, sources, alerts and ranked recommendations with the underlying answers. It lets users query these measurements directly from Claude, Cursor or any MCP client, with denominators and null-handling rules included so results are interpreted correctly.

Free open-source CLI and read-only MCP tool from Advisors AI (advisorsai.ai): give it one public URL and it lists which machine-readable basics are present or missing (title, meta description, structured data, one h1, canonical, robots policy for AI crawlers, llms.txt, sitemap). No API key, no account, nothing stored.

Checks a website's robots.txt and Cloudflare settings to identify AI crawler blocking. Also generates llms.txt content to improve visibility to AI answer engines.

Enable AI agents such as Claude, Co-Pilot, Codex and other compatible tools to create, manage, and optimize advertising campaigns on ChatGPT.

MCP server for MarkItUp's AI image-annotation pipeline. Generate polished marketing-visual variations of any screenshot, regenerate, AI outpaint, and remove backgrounds — powered by Claude analysis + Gemini rendering.

Provides free Google Trends data (interest over time, term comparison, related queries, trending now, regional breakdown) to MCP-compatible AI clients without needing an API key.

MCP server for B2B lead generation and company search using the Generect Live API. Provides tools to search leads, companies, generate emails, and get lead by URL.

An MCP server that lets Claude and other clients query DataDive niches, keywords, competitors, and Rank Radar data using your API key, including tools for managing dives and rank radars.

AutomateLab AI SEO Magic Button runs a whole-site AEO/GEO audit and generates a prioritized plan an agent can execute. It combines AI-SEO and Citation Intelligence and ships as a skill, plugin, and MCP server. Product and documentation: https://automatelab.tech/products/skills-and-plugins/ai-seo-magic-button/

Read-only MCP server exposing Ads AI Creator's image styles, pricing, and FAQ for AI clients to generate ad knowledge.

Local-first MCP server for Originality.ai workflows, including AI detection, plagiarism checks, readability, SEO scans, and scan-result retrieval for content teams.

An unofficial MCP server for Smartlead that exposes the SmartProspect API and core Smartlead operations, enabling agents to search for leads, manage campaigns, and control credit spending with configurable safety modes.

MCP server for email compatibility analysis. Analyze, preview, diff, and fix HTML emails across 15 email clients — plus capture real screenshots and create shareable links with an optional API key.

Track brand visibility across ChatGPT, Perplexity, Claude, and Gemini.

AI visibility and SEO data for AI agents. Check whether ChatGPT, Claude, Perplexity and Gemini mention your brand and which sources they cite, plus keyword volume and Google Trends.

A free MCP server for growing Discord communities, offering tools to search public servers, analyze engagement, and draft messages, with optional premium AI features powered by DeepSeek.

An SEO MCP server providing free SEO tools including on-page audits, broken link checks, sitemap analysis, and keyword ideas via Google Suggest, all without requiring an API key.

Generate professional AI-powered presentations from a topic, raw text, or document file. Export to PPTX, PDF, image, or shareable link.

Connects an AI agent to a user's own signed-in AccuRanker account so it can add and tag keywords, list rankings with position changes, and surface pages ranking for tracked terms through plain-language requests. It works with Claude Code, ChatGPT, Cursor and other MCP clients without requiring an AccuRanker API key.

Enables AI assistants to check how discoverable a website is to AI search engines and assistants by inspecting signals like crawler access, llms.txt, structured data, and on-page metadata, and returning a 0-100 visibility score.

Enables Claude to query ChatGPT, Claude, Perplexity and Gemini with customer questions and report whether a business is recommended, where it ranks, and which competitors are named instead.

Lets AI agents launch scans, inspect results, manage campaigns and policies, and read alerts directly against your Kaminari Ad workspace via your API key, with 82 tools covering most of the API surface.

Content writing toolkit for headline generation, readability scoring, tone analysis, outline building, and plagiarism similarity checking.

Lets Claude query an Instagram Business or Creator account's profile details and followers, verify that its Meta access token is valid, and see how many days remain before it expires. Publishing of nutrition content to the account through Meta's official API is planned for later milestones.

Find out how AI assistants and search engines talk about your brand. Ask how often ChatGPT, Perplexity and Google's AI answers mention you, where you rank, how positive those mentions are, which sites they cite, and how you compare with competitors. Your assistant can also set up and adjust the monitoring for you, showing a preview and asking before anything that deletes data or uses up your plan.

Enables AI applications to interact with Amazon Advertising API through the Model Context Protocol. Supports campaign management, performance reporting, audience targeting, and comprehensive advertising operations across Amazon's advertising ecosystem.

Enables Claude, Cursor, and other MCP clients to retrieve and analyze Google Trends data, including trending searches, interest over time and by region, related queries, seasonality, momentum, and share of search, without requiring an API key.

Read-only MCP server that connects Claude Desktop to the publisher-side Ad Manager API so users can browse networks, saved reports, orders, and line items, and run saved reports to pull their rows into a conversation. No tool mutates data, and per-user OAuth ensures each person inherits only their existing account permissions.

MCP server for Ileti Merkezi SMS API (Turkey). Enables sending SMS, bulk SMS, checking delivery reports, and managing contacts and blacklists via API Key + Hash authentication.

Exposes the OSMOS Marketing API registry as callable MCP tools, enabling AI agents to discover endpoints and make real API calls with authentication headers and campaign hierarchy support.

Provides eight SEO and AI-search workflows that run inside Claude and ChatGPT, covering Search Console auditing, traffic-drop diagnosis, keyword clustering, AI citation guidance, competitor gap analysis, content refresh, JSON-LD schema generation, and article drafting. Each workflow works from measured data rather than invented numbers and will push back on tactics Google's guidance says do not work.