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I wonder how this works with mcpb (renamed from dxt Desktop extensions): https://github.com/anthropics/mcpb

Specifically, it looks like skills are a different structure than mcp, but overlap in what they provide? Skills seem to be just markdown file & then scripts (instead of prompts & tool calls defined in MCP?).

Question I have is why would I use one over the other?

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One difference I see is that with tool calls the LLM doesn’t see the actual code. It delegates the task to the LLM. With scripts in an agent, I think the agent can see the code being run and can decide to run something different. I may be wrong about this. The documentation says that assets aren’t read into context. It doesn’t say the same about scripts, which is what makes me think the LLM can read them.

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