io.github.shaumik/pokearena

PokéArena

Is the PokéArena MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.

Play a real 6v6 Pokémon battle. Runs entirely in-process: no server, no API key, no setup.

alive probed 2026-11-14 · unchanged since 2026-10-30

11tools

3.4ktokens in Claude Opus 5.5

1.7 %of Claude's 200k window

1.3×the median server

76 msto initialize

7 msto list tools

Bundle: https://github.com/shaumik/PokeArena/releases/download/v0.1.1/pokearena-mcp-0.1.1.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
Host: github.com
Reports itself as: pokearena-mcp 0.1.0
Capabilities: logging, tools
Instructions: none
Of a 1M window: 0.3 % of a 1M context window
Count: 3.4k tokens in Claude Opus 5.5, exact, measured 2026-10-30. With the Claude Code prefix mcp__…__ on each tool name: 3.5k. The o200k_base estimate is 2.1k. Counted again when the tool definitions change. Method.
Repository: https://github.com/shaumik/PokeArena
Website: https://github.com/shaumik/PokeArena#play-in-two-commands
Registry: active, updated 2026-08-30 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.62×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
submit_team	968	599	29 %
start_battle	464	287	14 %
act	391	242	12 %
join_battle	381	236	11 %
get_pokemon	236	146	7 %

Other registry entries on github.com, the ones next to this name; all of them.

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.