Query a folder of CSV / Parquet / JSON files with SQL — one queryable source, read-only.
Query a folder of CSV / Parquet / JSON files with SQL — one queryable source, read-only.
It's read-only and sandboxed: files are loaded into an in-memory database, the data directory is the only thing it can see, and queries are validated so an agent can't write, escape to other paths, or call raw file functions.
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Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| list_sources | List the tables (one per data file) with column counts — start here |
| describe | A table's columns and types |
| preview | First N rows of a table |
| query | Run read-only SQL (DuckDB dialect) across the tables, JOINs included |
| refresh | Re-scan the data directory for added/changed files |
| server_info | Effective config (data dir, row cap, supported formats) |
{
"mcpServers": {
"tablebridge": {
"command": "uvx",
"args": [
"tablebridge"
],
"env": {
"TABLEBRIDGE_DATA_DIR": "/path/to/your/data"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| TABLEBRIDGE_DATA_DIR | Declared in the maintainer’s client configuration. | Check documentation |
Inspect PostgreSQL schemas and run read-only queries with the archived MCP reference server. Review its maintenance status before choosing it.
Connect the Notion MCP server to search workspace content and work with pages and databases through Notion’s hosted OAuth service.
Use the Supabase MCP server to inspect database schemas, query project data and retrieve docs through a project-scoped connection.
Query, modify and analyse local SQLite databases in conversation — the fastest way to chat with a data file.
Metabase ships its own MCP endpoint — search your BI content, build and run queries, and save questions and dashboards without leaving the chat.
Official MongoDB server covering data, schemas and Atlas management — from find queries to spinning up clusters.