Posts Tagged mcp

Anthropic shipped a piece earlier this month called How Claude Code Works in Large Codebases. I have not read anything more useful about coding agents this year. The core claim, in their words: “the ecosystem built around the model—the harness—determines how Claude Code performs more than the model alone.” In my phrasing: in a real codebase, the model is the smaller variable. The layer of context and tooling you wire around the agent matters more than which version of Sonnet or Opus is behind it.

The post stays high-level, which is the right move for a launch piece. What I want to do here is land it. Same seven pieces, but with the wiring you would actually put in a repo, in the order I would put it.

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Twelve months ago, building an AI agent meant picking a framework, defining your tools, standing up a RAG pipeline, and writing a stack of glue code to wire it all together. That was the default playbook. The post-mortem on six months of work usually went the same way: half the time went into infrastructure that had nothing to do with the agent’s actual job.

That isn’t where the work is anymore. Most of the middle layer is gone. The SDKs ship with the tools, the skills system replaced the upfront tool registry, and longer context windows pushed vector search out of the default slot it held all of last year.

The shape is the same as a lot of infrastructure shifts before it. The hard thing got cheap, the cheap thing got expected, and the question moved up a level.

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We’re excited to announce the Pulumi Remote MCP Server—a hosted service that brings AI-powered infrastructure management to any AI assistant that supports the Model Context Protocol. Connect your favorite AI assistant to https://mcp.ai.pulumi.com/mcp and instantly access your Pulumi Cloud infrastructure, search resources across stacks, and delegate complex automation tasks to Pulumi Neo.

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