io.github.rn-devtools-hub/rn-devtools-hub
rn-devtools-hub
Is the rn-devtools-hub MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-26.
Drive a running React Native or Expo app from inside its JS runtime: see, act, prove.
alive probed 2026-11-14 · unchanged since 2026-10-26
- Run it
- npx -y rn-devtools-hub@0.22.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- rn-devtools-hub 0.22.0
- Capabilities
- tools
- Instructions
- 829 characters
- Of a 1M window
- 1.5 % of a 1M context window
- Count
- 15k tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 16k. The o200k_base estimate is 8.3k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/rn-devtools-hub/rn-devtools-hub
- Website
- https://rn-devtools-hub.github.io/rn-devtools-hub/
- Registry
- active, updated 2026-09-05 · registry entry
- Changes
- 2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| assert | 1 185 | 661 | 8 % |
| ui_act | 642 | 358 | 4 % |
| session_start | 552 | 308 | 4 % |
| launch_app | 495 | 276 | 3 % |
| swipe_native | 490 | 273 | 3 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.rm-rf-prod/groundtruth · needs env
- Losbeto io.github.rmartins1451/losbeto-mcp · alive
- io.github.rmathew1973/ios-sim-mcp · install failed
- io.github.rmterenzi/qseow-mcp · needs env
- WordPress MCP Server io.github.rnaga/wp-mcp · crashed on start
- RoamProxy io.github.roamproxy/roamproxy-mcp · alive
- io.github.robbhimself-1337/claude-army · alive
- mcp-lint io.github.robert19001-cmyk/mcp-lint · crashed on start
Servers that mention devtools.
- cn.pianam.mcp/devtools-mcp · alive
- com.clauxel.chromedevtoolsmcp/chromedevtoolsmcp-mcp · no DNS
- Busymate DevTools dev.busymate/busymate-devtools · alive
- dev.workers.marvin-odigo.mcp/krabbot-devtools · alive
- Lead Enrichment API io.github.Compuute/lead-enrichment · alive
- Piranha Vision & DevTools io.github.albermm/piranha-vision · error
- io.github.serkan-ozal/browser-devtools-mcp · needs your URL
- xpay DevTools io.github.xpaysh/devtools · needs your URL
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-26 07:06 | alive | 547 ms | 69 | 15k | 8.3k |
| 2026-10-19 06:54 | alive | 540 ms | 69 | 8.3k |
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.