Show HN: Endpoint Context Protocol – Browsers get HTML, AI agents get Markdown

Category: infrastructure

Tags: http-content-negotiation, ai-agents, web-protocol

Score: 5.7/10 (Innovation: 6, Technical: 5, Documentation: 7, Utility: 6)

Endpoint Context Protocol (ECP) leverages existing HTTP content negotiation headers to serve HTML to browsers and Markdown to AI agents from the same URL. It offers a lightweight, standards-based approach to making websites agent-friendly without new infrastructure, which is interesting for bridging human and AI access to web content.

Target audience: backend devs, devops, web developers

Repository: https://endpointcontext.io

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