SQLite-authoritative entity database with an async Google Sheets projection for AI agents.
Connect Runs on your machine
claude mcp add spreadsheet-db-mcp -e HIKOUTEI_MCP_CONFIG=<HIKOUTEI_MCP_CONFIG> -e HIKOUTEI_SYNC_SPREADSHEET_URL=<HIKOUTEI_SYNC_SPREADSHEET_URL> -e GOOGLE_APPLICATION_CREDENTIALS=<GOOGLE_APPLICATION_CREDENTIALS> -- npx -y [email protected]{
"mcpServers": {
"spreadsheet-db-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"HIKOUTEI_MCP_CONFIG": "<HIKOUTEI_MCP_CONFIG>",
"HIKOUTEI_SYNC_SPREADSHEET_URL": "<HIKOUTEI_SYNC_SPREADSHEET_URL>",
"GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>"
}
}
}
}{
"mcpServers": {
"spreadsheet-db-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"HIKOUTEI_MCP_CONFIG": "<HIKOUTEI_MCP_CONFIG>",
"HIKOUTEI_SYNC_SPREADSHEET_URL": "<HIKOUTEI_SYNC_SPREADSHEET_URL>",
"GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>"
}
}
}
}{
"servers": {
"spreadsheet-db-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"HIKOUTEI_MCP_CONFIG": "<HIKOUTEI_MCP_CONFIG>",
"HIKOUTEI_SYNC_SPREADSHEET_URL": "<HIKOUTEI_SYNC_SPREADSHEET_URL>",
"GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
HIKOUTEI_MCP_CONFIGOptional | Path to the entity configuration file (hikoutei.config.json). Optional; the server also looks for ./hikoutei.config.json in the working directory. |
HIKOUTEI_SYNC_SPREADSHEET_URLOptional | Google Sheets spreadsheet URL. Absent means local-only mode (no Google contact); when set, the Google Sheets projection is enabled and GOOGLE_APPLICATION_CREDENTIALS must also be set. |
GOOGLE_APPLICATION_CREDENTIALSOptional, secret | Path to a Google service-account key file (JSON) used for the Sheets projection. Only needed when HIKOUTEI_SYNC_SPREADSHEET_URL is set. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 17 Aug 2026 |
| Last updated | 17 Aug 2026 |
| Registry name | io.github.ManddarinShop/spreadsheet-db-mcp |
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