Manufact
Product▾
- MCP HostingDeploy MCP apps and servers to production.
- Cross-client testingRun the same checks across ChatGPT, Claude, and more.
- Publishing checksAudit your MCP app against ChatGPT Apps Store and Cloud Connectors requirements.
- Submission PackGenerate the assets you need for marketplace submission.
- Cloud InspectorTrace, replay, and debug MCP traffic in production.
- Public chatEmbeddable chat surfaces for your product.
- AnalyticsUsage, latency, and reliability in one place.
- Products
- Cloud
- mcp-use SDK
- Inspector
- Vibe
Developers▾
- Manufact docsBuild, deploy, and operate on Manufact Cloud.
- SupportCommunity, issue reporting, and premium support.
- TemplatesStart from a deploy-ready MCP framework template.
- mcp-use docsBuild MCP apps and servers with the mcp-use SDK.
- mcp-use Inspector DocsInspect and debug MCP servers from your browser.
- mcp-use client CLIConnect to and call MCP servers from your terminal.
- MCP server tunnelingExpose a local MCP server through a secure tunnel.
- Pricing
- Blog
Superhuman Mail
mcp.mail.superhuman.com/mcp
Not ready
Protocol
MCP negotiation succeeds (v1/v2)
Failed to connect: Authentication required
Overview
- Author
- Superhuman Mail
- Verification
- partner
- Auth
- OAuth required
- Categories
- productivitycommunication
- Works with
- claudeclaude-apiclaude-code
- Docs
- Documentation
get_attachmentmark_spamlist_splitscreate_or_update_draftcreate_or_update_eventdiscard_draftget_availabilityget_labelsget_messageget_read_statusesget_threadlist_threads+7 moreRelated MCP servers
FAQ
Superhuman Mail install, tools, readiness, and alternatives.
How do I add Superhuman Mail to Claude, ChatGPT, or Cursor?
Add Superhuman Mail to Claude, ChatGPT, or Cursor by connecting its remote MCP URL in each client's MCP settings. In Claude, add a custom connector. In ChatGPT, add an MCP app. In Cursor, add an MCP server under Settings. The MCP URL is https://mcp.mail.superhuman.com/mcp. This server requires OAuth, so complete the login prompt after you connect.
Is Superhuman Mail MCP ready for ChatGPT and Claude?
As of September 16, 2026, Superhuman Mail scores 0/100 on Manufact's MCP publishing checklist. The scan does not yet meet ChatGPT publishing checks and does not yet meet Claude publishing checks.
What tools does the Superhuman Mail MCP server provide?
Superhuman Mail lists 19 MCP tools, including get_attachment, mark_spam, list_splits, create_or_update_draft, create_or_update_event, discard_draft, get_availability, get_labels, get_message, get_read_statuses, get_thread, and list_threads.
What are the best alternatives to Superhuman Mail?
As of September 16, 2026, alternatives to Superhuman Mail in productivity on the Manufact MCP catalog include AI Video Prompt Generator: Vivideo.ai, Autodesk Product Help, BoardWise, Credits.fm, and ecoExperten Energieausweis.
Does Superhuman Mail MCP require authentication?
Superhuman Mail requires authentication. Connect it in Claude, ChatGPT, or Cursor and complete the OAuth login prompt.
Why is Superhuman Mail failing MCP readiness checks?
Superhuman Mail scored 0/100 on the latest Manufact MCP publishing checklist, below the 70-point ready band. The top failing check is MCP negotiation succeeds (v1/v2). Failed to connect: Authentication required Paste the MCP URL into the Manufact MCP catalog to rerun the scan.
Who develops Superhuman Mail?
Superhuman Mail is developed by Superhuman Mail. It is listed as partner on the Claude connector directory.
Not your MCP?
Scan any public or OAuth MCP URL against ChatGPT and Claude publishing checks. No account required.