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An agent editing a web app needs the dev server's own view of it: which routes exist, and whether the last edit broke the build. Next 16 serves that over MCP at /_next/mcp, and Vite-based frameworks can with vite-plugin-mcp, but nothing here found those endpoints. index finds Next, Vite, Nuxt, Remix, React Router, Astro and SvelteKit dev servers from each process's argv, cwd and listening ports, and lists the tools of the MCP each serves. call runs one. errors returns current build and runtime errors: Next's get_errors, after opening the app in the browser tool, since Next reports only what a connected session reported; otherwise Vite's error overlay, console errors and page errors, read through the same browser tool. discover() returns the servers as plain records, the shape a devserver node will take. hanzo-mcp depends on the package so the tool ships. Claude-Session: https://claude.ai/code/session_01Dc8DXc3fEQCRHUa6XWK4Ku
19 lines
772 B
Markdown
19 lines
772 B
Markdown
# hanzo-tools-devserver
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The `devserver` tool for hanzo-mcp: running dev servers as MCP nodes.
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- `index` — find dev servers on this machine (Next, Vite, Nuxt, Remix, React Router,
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Astro, SvelteKit) from each process's argv, cwd and listening ports, and list the
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tools of the MCP each one serves (Next 16+ at `/_next/mcp`; Vite-based frameworks at
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`/__mcp/sse` with `vite-plugin-mcp` or `nuxt-mcp-dev`).
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- `call` — run one of those tools.
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- `errors` — current build/runtime errors: the server's `get_errors` where it has one,
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otherwise Vite's error overlay, console errors and page errors, read through the
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`browser` tool.
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`hanzo_tools.devserver.discover()` returns the servers as plain `DevServer` records.
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```bash
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pip install hanzo-tools-devserver
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```
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