v0.1.0 — initial public release
First public release of @codeagentjp/houan-mcp — a local stdio MCP server that lets AI clients (Claude Desktop, Claude Code, Cursor) search Japanese Diet bills (衆参議案情報) and committee Q&A records via the NDL Kokkai API.
Sister to @codeagentjp/egov-law-mcp which covers the current rules side. houan-mcp covers the legislative process side.
Tools
find_diet_qa— full-text search of Diet committee speeches via NDL Kokkai APIget_meeting_record— full transcript of one meeting by issueIDsearch_bills— 衆議院議案情報 / 参議院議案情報 keyword searchget_bill— bill detail page parser (title, submitter, committee, timeline)
Install
{
"mcpServers": {
"houan": {
"command": "npx",
"args": ["-y", "@codeagentjp/houan-mcp"]
}
}
}Design
Single-file .mjs, no build step, zero runtime dependencies, native fetch only. All tool results include the source URL and a retrievedAt timestamp so the calling LLM cannot drop attribution.