Productivity

postbridge.ai

Provides an API to send, track, and obtain proof for physical letters via supported postal services.

x402 supported1 endpoint7 known toolsFirst detected September 2, 2026Last detected September 2, 2026

ENDPOINT 1

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

No auth detected

MCP server metadata

Name: PostBridge
Version: 0.4.0

Capabilities

tools

Known tools 7

list_services

List supported physical-letter services for US, FR, GB, CA, or DE.

Inferred read-only

get_quote

Return a deterministic price for a physical letter before sending.

Inferred read-only

send_letter

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

Potential side effects

track_letter

Return the current delivery status, tracking data, and recipient summary for one workspace letter.

Inferred read-only

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.

Inferred read-only

get_balance

Return the authenticated workspace's current USD wallet balance.

Inferred read-only

list_letters

List up to 50 of the most recent letters in the authenticated workspace, optionally filtered by status.

Inferred read-only

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.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.