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1) Install the CLI

btca requires Bun. 
bun add -g btca

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2) Initialize a project

From your repo root: 
btca init
Choose CLI for local resources or MCP for cloud resources. The wizard writes btca.config.jsonc or btca.remote.config.jsonc.

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3) Add a resource

btca add -n svelte-dev https://github.com/sveltejs/svelte.dev

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4) Ask a question

btca ask -r svelte-dev -q "How do I define remote functions?"

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Optional: run the local server

btca serve
The server starts on port 8080 by default and exposes the local HTTP API.