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Set up the connection

1

Open your integrations

In Replit, go to Integrations in your workspace settings and open Your integrations. Next to Connectors, click Add custom → Add personal MCP server.
Replit Integrations page with the Add custom menu open and Add personal MCP server shown
2

Add the SuprSend MCP server

Enter SuprSend as the Display name and https://mcp.suprsend.com/mcp as the MCP Server URL.Keep Scan tool output for prompt injection on, and leave Advanced settings as they are.
Replit Connect SuprSend form with Display name SuprSend, MCP Server URL https://mcp.suprsend.com/mcp and a note that the server requires authentication
3

Sign in with your SuprSend account

Replit shows that the server requires authentication. Continue, and Replit opens the sign-in. Sign in with your SuprSend account. The agent gets the same permissions your role has in the SuprSend dashboard.
4

Verify the connection

In Replit Agent, ask:
The agent answers with your SuprSend workspaces.

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Pin a workspace and restrict tools

By default, Replit Agent can use every workspace and tool your role allows. To keep it on one workspace, or to give it only the tools a job needs, use one of these URLs as the MCP Server URL:
  • Pin a workspace by adding its slug to the path. The agent then can’t switch to another workspace:
  • Restrict tools with ?tools=, a comma-separated list of tool names or groups:
See Scope the connection for every URL pattern, and the tool list for every tool.

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Troubleshooting

Check the workspace slug in the URL. It must match a workspace in your SuprSend account exactly, for example staging, not the workspace’s display name. A slug that doesn’t exist fails with 403 workspace_forbidden. To see your slugs, remove the slug, reconnect, and ask: “List my SuprSend workspaces.”

Tool list

Every tool, grouped by category, with read vs write labels.

Prompt cheatsheet

Ready-to-use prompts to get started fast.