Unclear how to add MCP to cloud env

[jonasms]

Where does the bug appear (feature/product)?

Cloud Agent (GitHub, Slack, Web, Linear)

Describe the Bug

I need to attach a custom HTTP MCP (Superhuman Mail: https://mcp.mail.superhuman.com/mcp) so Cloud Agents can use email tools. Official docs say to add/enable personal MCP servers via an MCP dropdown on /agents.

On my Pro account, that control is not present. The agents page shows the prompt, model picker, repo selector, and agent history — no MCP dropdown or “Add MCP” affordance. The dashboard surfaces Plugins, but there is no official Superhuman plugin, and Plugins doesn’t appear to be the path for adding a custom HTTP MCP URL.

This also caused a bad agent loop: Cursor Agent (Grok 4.5) followed the docs and told me to open /agents → MCP dropdown → add the Superhuman URL → OAuth. Those steps don’t match the current Pro UI, so I spent time chasing a control that isn’t there.

FYI the “An error occurred: Sorry, new users can only put 2 links in a post.” error on submitting this issue is a huge pain. I’ve been using Cursor since 2022 – I’m not new!

Steps to Reproduce

1. On Cursor Pro, open /agents
2. Look for the MCP dropdown / Add MCP control described in docs
3. Observe: no MCP configuration UI; Plugins is what’s available instead
4. Ask a Cursor agent how to enable Superhuman MCP for Cloud Agents; it cites the same docs and sends you to the missing dropdown

Expected Behavior

Either:

1. An MCP config UI on /agents (or Dashboard) for Pro users to add custom HTTP MCPs + OAuth, matching https://cursor.com/docs/cloud-agent/capabilities.md#mcp-tools and https://cursor.com/help/customization/mcp, or

2. Updated docs (and agent guidance) that state the real Pro path — and that custom HTTP MCPs for Cloud Agents require Team Integrations / a marketplace plugin if that’s the case

Screenshots / Screen Recordings

Operating System

MacOS

Version Information

Cursor Version: 3.10.17 (stable)
VSCode Version: 1.125.0
Commit: c89f45b831621cdc5e951694db44fecd8fab1150
Date: 2026-07-05T06:39:45.228Z
OS: Darwin arm64 24.6.0 (macOS 15.6.1)
Browser (cursor.com/agents): Chrome 150.0.7871.187
Plan: Pro

For AI issues: which model did you use?

Grok-4.5

Additional Information

• Plan: Cursor Pro (“jonas Pro” in sidebar)
• Desktop MCP works; only Cloud Agent attachment is blocked
• Related/nearby reports: Cloud Agents MCP reliability threads on the forum (attachment/UI confusion)
• Docs cited by the agent: Cloud Agent capabilities → “Add and enable personal MCP servers through the MCP dropdown in Cursor - The best way to code with AI | Cursor - The best way to code with AI

Does this stop you from using Cursor

No - Cursor works, but with this issue

[deanrie]

Hey, thanks for the detailed report. Good news, the control is there, the docs are just behind the current UI.

On cursor.com/agents, click the + button to the left of the prompt bar. On your screenshot, it’s right next to the model picker. It’s Add files, skills, and MCP servers. Then:

1. Hover over MCP Servers
2. Click Add MCP at the bottom
3. In the modal, add a custom HTTP server with URL https://mcp.mail.superhuman.com/mcp
4. Finish OAuth

This works on Pro, you don’t need a separate Team plan. Custom HTTP MCP plus OAuth are supported for Cloud Agents.

We covered the same request recently, staff shared screenshots of the path here: No method exists to create custom MCP for cloud agent

You’re right about the docs, the wording about an MCP dropdown on cursor.com/agents is outdated. The dropdown was consolidated into the + menu. I’ll pass this to the team so they can fix the text and the guidance that sent you looking for a control that doesn’t exist.

About the 2 link limit in posts, that’s a forum setting based on your account age on forum.cursor.com, not your time using Cursor. I manually bumped your level, so it should be freer now. Let me know if anything doesn’t work when setting up MCP.

[jonasms]

Thank you, Dean!