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Short AI and tech summaries with source links, signal scores, and why each update matters for builders, founders, and Malaysian tech workers.

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DateProviderScoreSummary
05 Nov 2026, 10:08 PMHacker News6.0 MCP Explained

MCP Explained is an interactive lesson site for the Model Context Protocol, covering hosts, servers, and models, and stressing that MCP is not REST: it uses JSON-RPC over stdin/stdout or a single HTTP endpoint, and servers can talk back. It includes a spec 'time machine' and message-flow diagram referencing MCP spec 2025-11-25, with a note that token counts are illustrative. The site was made by Runlayer, described as 'the operating layer for AI,' and the Hacker News thread has 316 points and 133 comments.

Why: Use this as an onboarding aid when explaining MCP to developers: the concrete point to carry into design reviews is that JSON-RPC is only the envelope, while MCP defines methods, capability negotiation, transports, and auth. Because the text does not describe what changed in spec 2025-11-25, verify implementation decisions against the official spec rather than treating this explainer as a changelog.

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