"Testing subscribe functionality on a Python server" matching MCP servers:

An MCP server exposing every documented Email on Acid API v5 request as a tool — 24 tools across authentication, email client lists, email rendering testing, and spam testing.

MCP server for Google Search Console API that enables querying search analytics, managing sites, inspecting URLs, and supporting domain delegation via service accounts.

Enables Claude to directly manage the Savage in a Suit website through 31 tools for pages, events, members, testimonials, podcast episodes, and site content, with all changes logged.

A Model Context Protocol (MCP) server for Microsoft Advertising (Bing Ads / DuckDuckGo Ads). This server enables AI assistants to create, manage, and report on Microsoft Advertising campaigns programmatically.

An MCP server that provides AI assistants with access to the FirstPromoter affiliate management platform for managing referrals, promoters, campaigns, and commissions. It is designed for remote multi-user deployment and supports operations via HTTP/SSE transport.

Enables running Simulatte's 26 research SKUs (concept testing, pricing, etc.) from any MCP-compatible AI client, returning structured JSON results.

Enables interaction with Instantly.ai email outreach platform through 31 tools across accounts, campaigns, leads, emails, and analytics. Supports both local and remote deployment with multi-tenant authentication.

Enables AI assistants to manage campaigns, users, backlinks, keywords, and SEO rankings through natural language using the AgencyAnalytics API.

A Multi-Channel Proxy server that provides a structured interface for interacting with Smartlead's API, organizing functionality into logical tools for campaign management, lead management, and other marketing automation features.

Provides MCP-compatible agents with a deliberately scoped content-operations toolset for managing Hypertxt projects, articles, and Google Search Console data.

A Model Context Protocol server that connects Claude desktop and other compatible AI assistants to Ahrefs, allowing them to access Ahrefs functionality.

Python MCP server that exposes Meta Marketing API data, providing tools to manage ad accounts, campaigns, and analytics through natural language interfaces.

Enables MCP clients to read Google Analytics 4 data, deployed as a Cloudflare Worker with service account authentication.

Post to LinkedIn from Claude — create posts, upload images, edit/delete posts, and manage company pages via natural language. Uses the official LinkedIn REST API with OAuth 2.0.

MCP server for the Gibeon digital signage platform. Control your players, manage playlists, and trigger publishes from any MCP-aware client.

Enables AI assistants to answer questions about livestream advertising using GingerLive's up-to-date data on ad formats, network reach, campaign case studies, and the streamer program, as well as plan campaigns and evaluate streamer monetization.

MCP server exposing content contract validators (SEO.md, PRODUCTHUNT.md, LINKEDIN.md) as tools so AI agents can verify generated content against concrete rules without maintaining linters. It provides linting and JSON-LD export tools with config and content passed as parameters, not file paths.

Enables publishing and scheduling posts to Buffer via the createPost GraphQL mutation, extending beyond Buffer's official read-only MCP connector.

Gives Claude, Cursor, and any MCP client 15 tools to create, schedule, and publish social posts to TikTok, Instagram Reels, YouTube Shorts, X, Threads, and LinkedIn. Also handles media import by URL or base64, webhooks, and per-platform analytics from the ViralNote API.

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.