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Host CSV, Excel, Parquet, and JSON files as Model Context Protocol servers. No software install. Built-in filtering and clean tool specs to reduce LLM token costs.

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MCP Hosting Without the Hassle

InstantRows turns your data files into hosted MCP servers instantly. Give Claude, ChatGPT, and other LLMs direct access to your datasets—no local setup, no context window limits, no token waste.

Zero Software Install

Upload CSV, Excel, Parquet, or JSON. Your MCP server is live in seconds—no Docker, no npm, no config files.

Beyond Context Windows

Query millions of rows without cramming data into prompts. LLMs call your MCP tools with server-side filtering.

Lower Token Costs

Responses use TOON format for 30-60% token savings. Clean tool specs and server-side filtering reduce LLM token usage.

Everything You Need for MCP Data Hosting

Server-Side Filtering

LLMs call your MCP tools with validated parameters. Filter millions of rows server-side, not in-context.

Join Multiple Datasets

Combine data from different sources effortlessly. Just select your columns and go.

Clean Tool Specs

Validated JSON schemas guide LLMs to call your tools correctly—fewer hallucinations, lower token costs.

Instant MCP Hosting

Upload once, get a hosted MCP server immediately. No Docker containers, no local setup—just works.

Multi-Format Support

CSV, Excel, Parquet, JSON—upload any format and get the same powerful MCP interface instantly.

Export Anywhere

Download your results in CSV, Excel, or JSON format for use anywhere.

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