Japan Public Data (法人番号・登録支援機関・官公需入札) for Claude.ai

io.github.takaratomita/mcp-tools

Japan public data: corporate numbers, registered support organizations, government bid notices.

client:Claude.ai transport:streamable-http tools:3

Install Japan Public Data (法人番号・登録支援機関・官公需入札) in Claude.ai

Settings → Connectors → Add custom connector

https://mcp-tools.takara0408103123.workers.dev/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

lookup_corporate_number
search_support_orgs
search_local_govt_bids

Japan Public Data (法人番号・登録支援機関・官公需入札) in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Japan Public Data (法人番号・登録支援機関・官公需入札) MCP server