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| <title>AI Interoperability Protocol Explorer</title><meta name="description" content="Compare MCP, A2A, OpenAPI, JSON Schema, OAuth and gRPC by interoperability layer and purpose."> |
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| <section class="hero"><div class="eyebrow">Interoperability reference</div><h1>Protocol Explorer</h1> |
| <p class="sub">A practical map of standards and protocols that connect AI agents, tools, APIs, data and services. Filter by layer, compare roles, and follow primary sources.</p> |
| <div class="bar"><input id="search" class="control" placeholder="Search protocols or concepts…" aria-label="Search"><select id="layer" class="control"><option value="">All layers</option></select><button id="reset" class="btn ghost">Reset</button></div></section> |
| <div id="cards" class="grid"></div> |
| <section class="section"><h2>Side-by-side comparison</h2><div class="tablewrap"><table><thead><tr><th>Protocol</th><th>Layer</th><th>Relationship</th><th>Best fit</th><th>Important boundary</th></tr></thead><tbody id="rows"></tbody></table></div></section> |
| <section class="section"><div class="note"><b>Key idea:</b> interoperability is layered. MCP and A2A are usually complementary, not mutually exclusive. OpenAPI, JSON Schema, authorization and RPC standards can sit underneath or beside them.</div></section> |
| <footer class="footer">Primary-source links are provided on every card. This explorer is a technical orientation tool, not a substitute for the current specifications. · Research & industry collaborations: <a href="mailto:agenten@magenta.de">agenten@magenta.de</a></footer> |
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