RMCP.DEV
← postbridge.ai

INDIVIDUAL MCP TOOL

send_letter

Print and send one real physical letter using the authenticated workspace wallet.

postbridge.ainone authenticationAvailability not checked

LIVE ENDPOINT

https://api.postbridge.ai/mcp/openai

No auth detected

Connect to this endpoint to inspect the live schema for send_letter and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Potential side effects detected · medium confidence · heuristic, not a guarantee.

  • A tool name or description contains a write-action term.
  • A tool name or description suggests sending messages.

Parent server

postbridge.ai

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.postbridge]
url = "https://api.postbridge.ai/mcp/openai"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "postbridge": {
      "type": "http",
      "url": "https://api.postbridge.ai/mcp/openai"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: postbridge
Remote MCP URL: https://api.postbridge.ai/mcp/openai

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "postbridge": {
      "url": "https://api.postbridge.ai/mcp/openai"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code 
{
  "servers": {
    "postbridge": {
      "type": "http",
      "url": "https://api.postbridge.ai/mcp/openai"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "postbridge",
  "transport": "streamable-http",
  "url": "https://api.postbridge.ai/mcp/openai"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

  • list_services — List supported physical-letter services for US, FR, GB, CA, or DE.
  • get_quote — Return a deterministic price for a physical letter before sending.
  • track_letter — Return the current delivery status, tracking data, and recipient summary for one workspace letter.
  • get_proof — List available sending or delivery proof metadata and authenticated download links for one workspace letter, together with its sender and recipient postal addresses, price, and tracking details.
  • get_balance — Return the authenticated workspace's current USD wallet balance.
  • list_letters — List up to 50 of the most recent letters in the authenticated workspace, optionally filtered by status.