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MCP server

Mostly Right Official

md.mostlyright/datasets

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Search, sample and query open reproducible datasets published as immutable Parquet with schemas.

Working at last checkVerified publisher: mostlyright.mdAbout 37,996 tokens per request once connected80 tools
https://mostlyright.md/api/mcp

At a glance

Type
MCP server
Publisher
mostlyright.md (verified by the MCP Registry)
Status
Working at last check
Tools
80
Token cost
About 37,996 tokens per request
Sets up in
Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked
25 Oct 2026, 20:29 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 datasets https://mostlyright.md/api/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.datasets]
url = "https://mostlyright.md/api/mcp"

Gemini CLI

{"mcpServers":{"datasets":{"httpUrl":"https://mostlyright.md/api/mcp"}}}

Cursor

{"mcpServers":{"datasets":{"url":"https://mostlyright.md/api/mcp"}}}

VS Code

{"servers":{"datasets":{"type":"http","url":"https://mostlyright.md/api/mcp"}}}

Antigravity

agy mcp add datasets https://mostlyright.md/api/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":"datasets","server_url":"https://mostlyright.md/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"datasets","server_url":"https://mostlyright.md/api/mcp"}

Tools

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