MCP server

Quadratic

io.github.quadratichq/quadratic-mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

AI access to Quadratic spreadsheets: open files, run Python/SQL, query connected databases.

Website Source

At a glance

Type

MCP server

Publisher

quadratichq.com (verified by the MCP Registry)

Status

Working at last check

Tools

5

Token cost

About 2,484 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http quadratic-mcp https://mcp.quadratichq.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.quadratic-mcp]
url = "https://mcp.quadratichq.com/mcp"

Gemini CLI

{"mcpServers":{"quadratic-mcp":{"httpUrl":"https://mcp.quadratichq.com/mcp"}}}

Cursor

{"mcpServers":{"quadratic-mcp":{"url":"https://mcp.quadratichq.com/mcp"}}}

VS Code

{"servers":{"quadratic-mcp":{"type":"http","url":"https://mcp.quadratichq.com/mcp"}}}

Antigravity

agy mcp add quadratic-mcp https://mcp.quadratichq.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"quadratic-mcp","server_url":"https://mcp.quadratichq.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"quadratic-mcp","server_url":"https://mcp.quadratichq.com/mcp"}

Tools

• auth ~362 tokens
  Authenticate the MCP session with Quadratic. Actions: • login() — Start an OAuth device authorization flow. Returns a URL the user must open in a browser to authorize. The flow is completed by confirm_login. • confirm_login(device_code) — Complete an in-progress login by polling for user authorizat
• files_read ~172 tokens
  Read-only file metadata operations on Quadratic files the user has access to. No data is modified. Requires authentication. Actions: • list_files() — List all accessible files. • get_file_info(file_id) — Get metadata for a single file.
• files_write ~277 tokens
  File management operations that create or modify state: create a new file, open an existing file to start an editing session, or close a session. Requires authentication. Actions: • open_file(file_id?, file_name?) — Open a file by UUID or name and start an editing session. Returns the file's web UR
• read_data ~785 tokens
  Read-only queries on the open spreadsheet. No data is modified. Safe to auto-approve. Call as {"action": "<name>", "params": {...}} — per-action params are listed in the Action Reference below. Special actions (not shown in the action enum): • batch — {"action": "batch", "params": {"actions": [{"ac
• write_data ~888 tokens
  Write operations on the open spreadsheet. Call as {"action": "<name>", "params": {...}} — per-action params are listed in the Action Reference below. Numbers, booleans, and nulls in cell values are coerced to strings. Special actions (not shown in the action enum): • batch — {"action": "batch", "pa

Browse

• GitHub tools
• Spreadsheets
• Email
• GitHub and code hosting
• Databases

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