Ben McAdams https://benmcadams.info Field notes on agents, developer experience, and product. en-us Two agent auth specs, at once https://benmcadams.info/notes/two-agent-auth-specs https://benmcadams.info/notes/two-agent-auth-specs Tue, 14 Jul 2026 00:00:00 GMT Two proposals for agent auth landed the same week — same name, same problem, different mechanisms. MCP is a toolbox. A2A is a coworker. https://benmcadams.info/notes/mcp-toolbox-a2a-coworker https://benmcadams.info/notes/mcp-toolbox-a2a-coworker Tue, 14 Jul 2026 00:00:00 GMT MCP and A2A get lumped together, but they solve different problems. AI agents fetch pages differently https://benmcadams.info/notes/agents-fetch-differently https://benmcadams.info/notes/agents-fetch-differently Tue, 14 Jul 2026 00:00:00 GMT A 308 redirect broke ChatGPT's retrieval but not Claude's. Same URL, different behavior. Two kinds of AI crawler https://benmcadams.info/notes/two-kinds-of-ai-crawler https://benmcadams.info/notes/two-kinds-of-ai-crawler Mon, 13 Jul 2026 00:00:00 GMT The split between training-style crawlers and user-side fetchers changes how I read a traffic spike. Markdown mirrors https://benmcadams.info/notes/markdown-mirrors https://benmcadams.info/notes/markdown-mirrors Sun, 12 Jul 2026 00:00:00 GMT Serving .md alongside HTML is cheap, and it makes agents parse your pages far more efficiently. Hello, world https://benmcadams.info/notes/hello-world https://benmcadams.info/notes/hello-world Fri, 10 Jul 2026 00:00:00 GMT A small home for field notes on the things I'm learning.