upload_email_attachment — Hail MCP Tool Mutating

upload_email_attachment (upload email attachment) is one of 20 tools on the Hail MCP server. Connect the server and your client discovers it on the handshake.

by client

How to call upload_email_attachment from your client

Claude Code Hail upload_email_attachment run in your project directory
Claude Desktop Hail upload_email_attachment ~/Library/Application Support/Claude/claude_desktop_config.json
Cursor Hail upload_email_attachment ~/.cursor/mcp.json
VS Code Hail upload_email_attachment .vscode/mcp.json
Zed Hail upload_email_attachment ~/.config/zed/settings.json
Windsurf Hail upload_email_attachment ~/.codeium/windsurf/mcp_config.json
Cline Hail upload_email_attachment ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
Gemini CLI Hail upload_email_attachment ~/.gemini/settings.json
Grok Hail upload_email_attachment .mcp.json (in your project root)
ChatGPT Hail upload_email_attachment Settings → Connectors → Advanced → Developer mode
Claude.ai Hail upload_email_attachment Settings → Connectors → Add custom connector
LangChain Hail upload_email_attachment pip install langchain-mcp-adapters

Fastest route

claude mcp add --transport http hail-mcp https://mcp.hail.so

Other tools on this server

place_call
send_email
get_call
list_calls
send_sms
get_sms
list_sms
get_email
list_emails
get_email_raw
get_email_attachment
get_email_events
get_email_stats
get_events
list_contacts
lookup_contact
list_email_domains
whoami
create_contact

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.

Hail MCP server