Hail
remote (hosted) MCP serverHail is a remote (hosted) MCP server: Phone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install. Connect any MCP client to https://mcp.hail.so.
Installation
Terminal
claude mcp add --transport http hail-mcp https://mcp.hail.so
Run in your project folder. Add --scope user to use it everywhere.
Claude Desktop
Open Settings → Connectors → Add custom connector, then paste https://mcp.hail.so.
Cursor & other clients
Add to .cursor/mcp.json or your client's MCP config.
{
"mcpServers": {
"hail-mcp": {
"type": "http",
"url": "https://mcp.hail.so"
}
}
}What you need
- Runtime: Nothing, it's hosted.
- MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over streamable HTTP.
Summary
Phone, SMS & email for AI agents — one remote MCP endpoint, OAuth login, zero install.
Hail vs similar servers
| Server | Stars | Type | API key | Runtime |
|---|---|---|---|---|
| Hail | 30 | Hosted | No | None |
| Repomix | 29K | Local | No | npm |
| mcp-server | 551 | Local | Yes | npm |
| HQBase | 332 | Hosted | No | None |
| Atomic Mail | 264 | Hosted | Yes | None |
Questions
No. The registry entry lists no keys or environment variables.
Only an MCP client such as Claude Code, Codex, Claude Desktop or Cursor. Hail is hosted, so there is nothing to install.
Hail is a remote (hosted) MCP server served at https://mcp.hail.so.
Run: claude mcp add --transport http hail-mcp https://mcp.hail.so
Run: codex mcp add hail-mcp --url https://mcp.hail.so
Similar MCP servers
NameStars
- Repomixio.github.yamadashy/repomix29K
- mcp-serverio.github.sv-number/mcp-server551
- HQBaseio.github.HQBase/hqbase332
- Atomic Mailio.github.Atomic-Mail/mcp264
- mcpio.github.agenticmail/mcp229
- e2a — email for AI agentsdev.e2a/mcp-server191
- e2a — email for AI agentsio.github.Mnexa-AI/mcp-server191
- AISIX AI Gatewayio.github.api7/aisix171