io.github.EmirhanOzl/playproof
playproof
Is the playproof MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-04.
See and playtest browser games: frame-by-frame motion, crash hunting, phone layouts, frame pacing.
alive probed 2026-11-15 · unchanged since 2026-11-04
- Run it
- npx -y playproof@0.3.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- playproof 0.3.2
- Capabilities
- tools
- Instructions
- 465 characters
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 4.1k tokens in Claude Opus 5.5, exact, measured 2026-11-04. With the Claude Code prefix mcp__…__ on each tool name: 4.1k. The o200k_base estimate is 2.6k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/EmirhanOzl/playproof
- Website
- https://github.com/EmirhanOzl/playproof
- Registry
- active, updated 2026-10-22 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.57×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| frames | 993 | 634 | 24 % |
| perf | 890 | 568 | 22 % |
| devices | 794 | 507 | 19 % |
| play | 761 | 486 | 19 % |
| monkey | 440 | 281 | 11 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.ElliotPadfield/hatchet-mcp · needs env
- io.github.Embassy-of-the-Free-Mind/source-library · alive
- hoptell io.github.EminUZUN/hoptell · alive
- palaver io.github.EminUZUN/palaver · needs env
- mcp-authprobe io.github.Enigmacker/mcp-authprobe · needs env
- io.github.EnioAguiar/llmpvp · alive
- Pagerunner — The Browser Layer That Learns io.github.Enreign/pagerunner · crashed on start
- Japan Used Camera Market io.github.Enu27/japan-used-camera-market · alive
Servers that mention playtest or browser.
- ai.foura/mcp · alive
- ai.kaiv/can-i-use · alive
- NativePort ai.nativeport/mcp · needs auth
- ai.openhelm/openhelm · needs auth
- PlayDrop ai.playdrop/mcp · needs auth
- Qlane ai.qlane/qlane · needs auth
- Reduck ai.reduck/reduck · needs auth
- ai.smithery/ImRonAI-mcp-server-browserbase · not found
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.