Koekatsu MCP MCP server

Koekatsu's official MCP server allows AI agents to search and retrieve aggregated survey data from the Koekatsu platform. It provides read-only access to poll results, including vote counts and percentages, with time-fixed URLs for accurate citation. The server supports natural language queries and categorization, enabling agents to answer questions about survey findings directly without requiring user registration.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by 株式会社コンテンシャル

MCP endpoint (Streamable HTTP)

https://mcp.datasetsearch.jp/

Vendor documentation

What you can do with it

Search for survey data using natural language queries
Retrieve vote counts and percentages for specific poll options
Generate time-fixed URLs for accurate data citation
Browse available survey categories and topics

Tools advertised by the last live check:

search_surveys
get_survey
list_categories

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http koekatsu-mcp https://mcp.datasetsearch.jp/

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add koekatsu-mcp --url https://mcp.datasetsearch.jp/

Cursor

Merge this server into .cursor/mcp.json in your project, then enable koekatsu-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "koekatsu-mcp": {
      "url": "https://mcp.datasetsearch.jp/"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "koekatsu-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.datasetsearch.jp/",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start koekatsu-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "koekatsu-mcp": {
      "type": "http",
      "url": "https://mcp.datasetsearch.jp/"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http koekatsu-mcp https://mcp.datasetsearch.jp/

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "koekatsu-mcp": {
      "url": "https://mcp.datasetsearch.jp/"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "koekatsu-mcp": {
      "serverUrl": "https://mcp.datasetsearch.jp/"
    }
  }
}

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