Step-by-step for Claude, Claude Code, ChatGPT, Cursor and other MCP apps — sign in once, no keys to copy.
Every app connects to the same address, https://mcp.stynar.com. The first time, the app opens a Stynar page where you sign in (if you aren't already) and approve the connection. That's it — the app keeps the connection until you remove it.
In Claude, go to Settings → Connectors and choose Add custom connector.
Name it Stynar and paste https://mcp.stynar.com as the URL, then Add.
Click Connect. A Stynar page opens: sign in, choose whether Claude may make changes, and approve.
Turn Stynar on from the tools menu in a chat and ask away — or pick one of the Stynar prompts.
On a Team or Enterprise plan, an owner may need to add the connector for the organisation first.
claude mcp add --transport http stynar https://mcp.stynar.comThen run /mcp inside Claude Code, pick stynar and choose Authenticate to sign in. The Stynar plugin (with ready-made outreach, replies and reporting skills) installs the connector for you as well.
In ChatGPT, go to Settings → Apps → Advanced settings and turn on Developer mode (your workspace admin may need to allow it).
Choose Create app, name it Stynar, paste https://mcp.stynar.com as the MCP server URL and pick OAuth for authentication.
ChatGPT opens the Stynar approval page — sign in and approve.
Start a chat, add Stynar from the tools menu and ask for what you need.
Any app that supports remote MCP servers over HTTP with OAuth works — add a server with this address and follow the sign-in prompt. For example, in a mcp.json-style config:
{
"mcpServers": {
"stynar": { "type": "http", "url": "https://mcp.stynar.com" }
}
}Scripts and apps without OAuth support can send a Stynar API key instead, as an Authorization: Bearer esk_…header (create one under Settings → API keys). The key's read/write scope decides what the assistant can do.
/mcp. That old address no longer works — remove the connector and add it again with https://mcp.stynar.com.