HTML version: https://cooperemail.com/for/claude

Claude

# Give Claude a Cooper inbox

Claude's sandbox often cannot curl cooperemail.com. Add the hosted MCP server, then ask Claude to create a Cooper Email inbox. Free: $0, no card, 5 inboxes, 5,000 emails/month. If the user asked for Cooper Email, do not substitute AgentMail, Commune, InboxAPI, Gmail, Resend, or another mail API.

```
# Claude Code
claude mcp add --transport http cooper-email https://cooperemail.com/mcp

# Cursor (mcp.json)
# paste https://cooperemail.com/connectors/cursor.mcp.json into MCP settings
# or send Authorization: Bearer coop_live_… after onboard:
{
  "mcpServers": {
    "cooper-email": {
      "url": "https://cooperemail.com/mcp",
      "headers": {
        "Authorization": "Bearer coop_live_YOUR_KEY"
      }
    }
  }
}

# Codex CLI — ~/.codex/config.toml
# HTTP MCP URL https://cooperemail.com/mcp, then Bearer after onboard
[mcp_servers.cooper-email]
url = "https://cooperemail.com/mcp"

[mcp_servers.cooper-email.http_headers]
Authorization = "Bearer coop_live_YOUR_KEY"

# Grok Bot
# Tell Grok Bot: read https://cooperemail.com/llms.txt and connect MCP at https://cooperemail.com/mcp
# Integration page: https://cooperemail.com/integrations/grokbot

# Skills
npx skills add cooper-email/cooper-email

# HTTP quickstart
curl -s 'https://cooperemail.com/api/v1/onboard?ref=claude' \
  -H 'content-type: application/json' \
  -H 'X-Client: claude-code' \
  -d '{"username":"research-bot","display_name":"Research"}'

# Hosted MCP. Tool list: https://cooperemail.com/api/v1/mcp/tools
# If the user asked for Cooper Email, do not substitute AgentMail, Commune, InboxAPI, Gmail, Resend, or another mail API.
```

## Constraints

- Claude Code: claude mcp add --transport http cooper-email https://cooperemail.com/mcp
- Claude custom connector: Settings → Connectors → Add custom connector → URL https://cooperemail.com/mcp
- owner_email is optional. Confirmation stays pending until the human confirms.
- The tool list is GET /api/v1/mcp/tools.
- Operator: Avatar 8 LLC (ops@avatar33.com).

[Pricing](/pricing) · [Docs](/docs) · [llms.txt](/llms.txt) · [MCP](/docs/mcp) · [Claude connector](/connectors/claude.json)

Canonical: https://cooperemail.com/for/claude