io.github.sugukurukabe/koko-call
KokoCallMCP
Is the KokoCall MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Read-only MCP server for searching Japan government procurement bid information from the KKJ portal.
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y koko-call-mcp@0.2.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- KokoCallMCP 0.2.0
- Capabilities
- completions, logging, prompts, resources, tools
- Instructions
- 139 characters
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 2.3k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 2.3k. The o200k_base estimate is 1.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/sugukurukabe/koko-call-mcp
- Registry
- active, updated 2026-05-01 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.61×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_bids | 1 353 | 841 | 60 % |
| list_recent_bids | 528 | 328 | 23 % |
| summarize_bids_by_org | 232 | 144 | 10 % |
| get_bid_detail | 159 | 99 | 7 % |
Compare this server with others.
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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.