MCP server

Constants Official

io.github.constants-ai/constants

Checked 25 Oct 2026, 20:29 UTC · It answered and asked for a sign-in

One workspace of tools for Claude and ChatGPT: connect 600+ apps, generate media, build tools.

Website

At a glance

Type

MCP server

Publisher

constants.io (verified by the MCP Registry)

Status

Needs a sign-in or key

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 constants https://www.constants.io/api/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.constants]
url = "https://www.constants.io/api/mcp"

Gemini CLI

{"mcpServers":{"constants":{"httpUrl":"https://www.constants.io/api/mcp"}}}

Cursor

{"mcpServers":{"constants":{"url":"https://www.constants.io/api/mcp"}}}

VS Code

{"servers":{"constants":{"type":"http","url":"https://www.constants.io/api/mcp"}}}

Antigravity

agy mcp add constants https://www.constants.io/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":"constants","server_url":"https://www.constants.io/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"constants","server_url":"https://www.constants.io/api/mcp"}

Needs a sign-in or an API key from its maker.

Browse

• Claude tools
• GitHub tools
• GitHub and code hosting

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