{"id":19896,"date":"2025-03-20T00:00:00","date_gmt":"2025-03-20T00:00:00","guid":{"rendered":"https:\/\/www.mailgun.com\/blog\/open-source-mcp-server-2\/"},"modified":"2026-09-15T11:53:42","modified_gmt":"2026-09-15T11:53:42","slug":"open-source-mcp-server","status":"publish","type":"blog","link":"https:\/\/www.mailgun.com\/de\/blog\/dev-life\/open-source-mcp-server\/","title":{"rendered":"Wir pr\u00e4sentieren den Open-Source-MCP-Server von Mailgun"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Accessing email data just got easier. With Mailgun\u2019s open-source MCP server, developers can query email performance metrics using natural language\u2014no dashboards, no complex API calls. Built on Model Context Protocol (MCP), this solution makes AI-powered email analytics seamless and efficient. <\/p>\n\n<p class=\"wp-block-paragraph\">Here\u2019s how it happened, and how it works.<\/p>\n\r\n    <nav data-content-type=\"longform\" class=\"toc-block longform-spacings px-5 py-6 px-md-6 px-lg-7 py-md-7 bg-light fs-sm rounded-lg\" aria-labelledby=\"toc-title-9829\"><p class=\"h5 m-0\" id=\"toc-title-9829\">Inhaltsverzeichnis<\/p><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">01<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#what-is-mcp\">What is MCP?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">02<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#email-analytics-meets-conversational-ai\">Email analytics meets conversational AI<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">03<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#why-mcp\">Why MCP?<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">04<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#what-can-you-do-with-mailguns-mcp-server\">What can you do with Mailgun\u2019s MCP server?<\/a><a class=\"scrollme link-body-color\" href=\"#see-it-in-action\">See it in action<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">05<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#why-read-only\">Why read-only<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">06<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#why-conversational-interfaces-are-the-future\">Why conversational interfaces are the future<\/a><\/div><\/div><div class=\"d-flex mt-3\"><div class=\"w-auto fw-bold text-accent d-flex me-2\">07<\/div><div class=\"d-flex flex-column\"><a class=\"fw-bold scrollme link-body-color text-accent\" href=\"#get-started-today\">Get started today<\/a><\/div><\/div><\/nav>\n<h2 class=\"wp-block-heading\">What is MCP?<\/h2>\n\n<p class=\"wp-block-paragraph\">MCP, or Model Context Protocol, is a standardized API framework that allows AI assistants to interact with external services using JSON-RPC. <\/p>\n\n<p class=\"wp-block-paragraph\">A few months ago, Anthropic released its <a href=\"https:\/\/www.anthropic.com\/news\/model-context-protocol\" target=\"_tabs\" rel=\"noopener noreferrer\">Model Context Protocol (MCP)<\/a>, enabling AI assistants like Claude to interact with external services through standardized API calls. <\/p>\n\n<p class=\"wp-block-paragraph\">In practical terms, it enables natural language interactions with structured data sources like Mailgun\u2019s email analytics APIs.<\/p>\n    <div data-content-type=\"longform\"  class=\"callout text-body-color px-5 py-6 px-md-6 px-lg-7 py-md-7 longform-spacings rounded-lg bg-light\" data-theme=\"light\">\r\n\r\n        <div class=\"content-body\"> Check it out on GitHub at <a href='http:\/\/github.com\/mailgun\/mailgun-mcp-server'>github.com\/mailgun\/mailgun-mcp-server<\/a>.<\/div>\r\n    <\/div>\r\n\n<h2 class=\"wp-block-heading\">Email analytics meets conversational AI <\/h2>\n\n<p class=\"wp-block-paragraph\">As developers, we&#8217;re constantly looking for more efficient ways to access and analyze our data. Whether checking delivery rates, investigating bounces, or monitoring domain performance, these tasks traditionally require navigating dashboards or writing custom API scripts. <b>MCP opens the door to something different: getting your data by simply asking for it.  <\/b><\/p>\n    <div data-content-type=\"longform\"  class=\"callout text-body-color px-5 py-6 px-md-6 px-lg-7 py-md-7 longform-spacings rounded-lg bg-light\" data-theme=\"light\">\r\n\r\n        <div class=\"content-body\"> We\u2019re excited to announce <a href='http:\/\/github.com\/mailgun\/mailgun-mcp-server'>Mailgun&#x27;s open-source MCP server implementation<\/a>, which bridges this gap by allowing developers to query our read-only APIs directly through Claude and other MCP-compatible assistants.<\/div>\r\n    <\/div>\r\n\n<h2 class=\"wp-block-heading\">Why MCP? <\/h2>\n\n<p class=\"wp-block-paragraph\">Email is unique in being a truly distributed self-governing system. It has been built on open standards that are documented inside the RFCs (Requests for Comments) that are published by the Internet Engineering Task Force (IETF). From <a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/was-ist-smtp\/\" target=\"_tabs\" rel=\"noopener noreferrer\">SMTP<\/a> to <a href=\"https:\/\/www.mailgun.com\/de\/resources\/learn\/glossary\/mime\/\" target=\"_tabs\" rel=\"noopener noreferrer\">MIME<\/a> to <a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/implement-dmarc\/\" target=\"_tabs\" rel=\"noopener noreferrer\">DMARC<\/a> these standards help emails reach their destinations. The ecosystem works because we all agreed on how things should talk to each other. <\/p>\n\n<p class=\"wp-block-paragraph\">MCP is built on top of <a href=\"https:\/\/www.jsonrpc.org\/\" target=\"_tabs\" rel=\"noopener noreferrer\">JSON-RPC<\/a> over an application layer transport, which are well known and documented standards. Adopting it feels like a natural next step following the tradition of open protocols. <\/p>\n\n<p class=\"wp-block-paragraph\">By implementing this standard for Mailgun, we&#8217;re continuing our commitment to an environment where engineers can build systems without getting trapped in walled gardens. Just as you can send an email to anyone on the planet without thinking twice (please don\u2019t send spam), now you can talk to your data through whatever assistant works best for you. <\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-3966\" width=\"856\" height=\"1276\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.35_PM.png\" alt=\"Image Source: https:\/\/xkcd.com\/2116\/  \" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.35_PM.png 856w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.35_PM-201x300.png 201w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.35_PM-768x1145.png 768w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.35_PM-687x1024.png 687w\" sizes=\"(max-width: 856px) 100vw, 856px\" \/><figcaption class=\"wp-element-caption\"><i>Image Source: <\/i><a href=\"https:\/\/xkcd.com\/2116\/\" target=\"_tabs\" rel=\"noopener noreferrer\"><i>https:\/\/xkcd.com\/2116\/<\/i><\/a><\/figcaption><\/figure>\n\n<h2 class=\"wp-block-heading\">What can you do with Mailgun\u2019s MCP server?<\/h2>\n\n<p class=\"wp-block-paragraph\">With our MCP server implementation, you can: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Query email performance metrics through natural language <\/li>\n\n\n\n<li>Pull delivery statistics, bounce logs, and domain settings <\/li>\n\n\n\n<li>Generate reports and visualizations of your email data <\/li>\n\n\n\n<li>Send emails or <a href=\"https:\/\/www.mailgun.com\/de\/blog\/deliverability\/warum-email-validierung-fuer-ihren-posteingang-unverzichtbar-ist\/\" target=\"_tabs\" rel=\"noopener noreferrer\">validate email addresses <\/a><\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">See it in action <\/h3>\n\n<p class=\"wp-block-paragraph\">Here&#8217;s a glimpse of the kind of metrics you can pull using our MCP and generative AI:<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-3972\" width=\"1246\" height=\"1504\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.47_PM.png\" alt=\"Image shows conversation with Claude, pulling metrics using the Mailgun open-source MCP server. \" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.47_PM.png 1246w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.47_PM-249x300.png 249w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.47_PM-768x927.png 768w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.26.47_PM-848x1024.png 848w\" sizes=\"(max-width: 1246px) 100vw, 1246px\" \/><\/figure>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-4028\" width=\"1236\" height=\"1570\" src=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.27.03_PM.png\" alt=\"Image shows conversation with Claude, pulling metrics using the Mailgun open-source MCP server.\" srcset=\"https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.27.03_PM.png 1236w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.27.03_PM-236x300.png 236w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.27.03_PM-768x976.png 768w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.27.03_PM-806x1024.png 806w, https:\/\/www.mailgun.com\/wp-content\/uploads\/2025\/07\/Screenshot_2025-03-19_at_2.27.03_PM-1209x1536.png 1209w\" sizes=\"(max-width: 1236px) 100vw, 1236px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">Why read-only <\/h2>\n\n<p class=\"wp-block-paragraph\">We&#8217;ve intentionally limited this implementation to read-only operations (except sending an email). <b>This gives you the freedom to explore your data and configuration without risking accidental changes to your production environment.<\/b> However, the way it&#8217;s designed, it&#8217;s easy to enable endpoints that perform non-idempotent requests if your use case calls for it. <\/p>\n\n<h2 class=\"wp-block-heading\">Why conversational interfaces are the future <\/h2>\n\n<p class=\"wp-block-paragraph\">We believe infrastructure tools should adapt to how developers get the work done. Conversational interfaces reduce time spent translating questions into <b>complex API queries<\/b> by using natural language as a bridge.<\/p>\n\n<p class=\"wp-block-paragraph\">Mailgun\u2019s MCP implementation reduces <b>cognitive overhead<\/b>, enabling engineers to:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Get immediate insights without navigating dashboards<\/li>\n\n\n\n<li>Request specific email metrics without writing custom code<\/li>\n\n\n\n<li>Improve workflow efficiency with AI-driven queries<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Get started today <\/h2>\n\n<p class=\"wp-block-paragraph\">Our MCP server implementation is available on GitHub at <a href=\"http:\/\/github.com\/mailgun\/mailgun-mcp-server\" target=\"_tabs\" rel=\"noopener noreferrer\">github.com\/mailgun\/mailgun-mcp-server<\/a>. We&#8217;ve included setup steps into the README to help you get up and running quickly. <\/p>\n\n<p class=\"wp-block-paragraph\">We&#8217;re excited to see what\u2019s next, and welcome contributions and feedback from the community. <\/p>\n\r\n    <aside data-content-type=\"longform\"  class=\"banner-block longform-spacings rounded-lg shadow-lg px-5 py-6 px-md-6 py-md-7 p-lg-7 bg-light\" data-theme=\"dark\" aria-labelledby=\"banner-block-block_a8204b01e4269df1a2fccbf5d7766534\">\r\n                    <p class=\"text-uppercase section-caption text-body-color\">\r\n                Sign Up            <\/p>\r\n                            <p class=\"h4 text-accent fw-bold\" id=\"banner-block-block_a8204b01e4269df1a2fccbf5d7766534\">\r\n                It&#8217;s easy to get started. And it&#8217;s free.            <\/p>\r\n                            <div class=\"mb-0 text-body-color\">\r\n                                    <div class=\"content-body mb-0 text-body-color\">See what you can accomplish with the world\u2019s best email delivery platform.<\/div>\r\n                            <\/div>\r\n        \r\n        <div class=\"text-start mt-5\"><a href=\"https:\/\/signup.mailgun.com\/new\/signup\"  class=\"btn btn-secondary\" >Get started<\/a><\/div>\r\n    <\/aside>\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>Die Navigation in E-Mail-Daten ist jetzt noch einfacher. Mit dem Open-Source-MCP-Server von Mailgun kann das Entwicklungsteam E-Mail-Analysen mithilfe von dialogbasierter KI abfragen. Keine Dashboards, keine Wartezeiten.<\/p>\n","protected":false},"author":10,"featured_media":3952,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"blog_category":[19],"class_list":["post-19896","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-dev-life"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>E-Mail-Einblicke mit dem Open-Source-MCP-Server von Mailgun freischalten - Transactional Email API Service For Developers | Mailgun<\/title>\n<meta name=\"description\" content=\"Entdecken Sie den Open-Source-MCP-Server von Mailgun. Nutzen Sie dialogbasierte KI, um E-Mail-Performance abzufragen, Zustellstatistiken und Bounce-Protokolle abzurufen sowie E-Mails zu senden oder zu validieren.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mailgun.com\/de\/blog\/dev-life\/open-source-mcp-server\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"E-Mail-Einblicke mit dem Open-Source-MCP-Server von Mailgun freischalten - Transactional Email API Service For Developers | Mailgun\" \/>\n<meta property=\"og:description\" content=\"Entdecken Sie den Open-Source-MCP-Server von Mailgun. 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