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Next.js development tooling via MCP. Inspect routes, components, build info, and debug Next.js apps. Use when working on Next.js applications, debugging routing, or inspecting app structure. NOT for general React or non-Next.js projects.
| name | nextjs-devtools |
| description | Next.js development tooling via MCP. Inspect routes, components, build info, and debug Next.js apps. Use when working on Next.js applications, debugging routing, or inspecting app structure. NOT for general React or non-Next.js projects. |
Inspect and debug Next.js applications via MCP server.
# Start server (spawns on-demand)
bash scripts/start-server.sh
# Or use directly via mcp-client
python3 scripts/mcp-client.py call \
-s "npx next-devtools-mcp@latest" \
-t list-routes
| Tool | Description |
|---|---|
list-routes | Get all app routes |
get-route-info | Details for specific route |
list-components | React components in app |
get-build-info | Build configuration |
get-config | next.config.js settings |
# List all routes
python3 scripts/mcp-client.py call \
-s "npx next-devtools-mcp@latest" \
-t list-routes
# Get specific route details
python3 scripts/mcp-client.py call \
-s "npx next-devtools-mcp@latest" \
-t get-route-info \
-p '{"route": "/api/auth"}'
# Check build config
python3 scripts/mcp-client.py call \
-s "npx next-devtools-mcp@latest" \
-t get-build-info
# Check next.config.js
python3 scripts/mcp-client.py call \
-s "npx next-devtools-mcp@latest" \
-t get-config
python3 scripts/mcp-client.py call \
-s "npx next-devtools-mcp@latest" \
-t list-components
For persistent server (multiple calls):
bash scripts/start-server.sh
# Server runs on default port
# Use mcp-client.py with -u flag instead of -s
For single calls, use -s flag which spawns server per-call:
python3 scripts/mcp-client.py call \
-s "npx next-devtools-mcp@latest" \
-t <tool-name>
| Issue | Solution |
|---|---|
| Server not starting | Check npx next-devtools-mcp@latest works manually |
| No routes found | Ensure running from Next.js project root |
| Build info empty | Run next build first |
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