MCP Server

Agent Callback Mailbox MCP Server

us.inversolabs/agent-callback-mailbox

What is the Agent Callback Mailbox MCP server?

Paid replay-safe callback inboxes for asynchronous agent tasks with structured MCP results.

Copy-paste configuration for popular MCP clients.

transport: http

Config generated by PluginBench — verify against the source before use.

~/.cursor/mcp.json

{
  "mcpServers": {
    "agent-callback-mailbox": {
      "url": "https://callbacks.inversolabs.us/mcp"
    }
  }
}

Preflight MCP OAuth compatibility with structured evidence and remediation guidance.

Preflight x402 payment compatibility with structured risk evidence and remediation guidance.

Active

AI visual generation agent: multi-pipeline rendering, prompt crafting, and image composition.

TypeScript

Apache-2.0

Maintained

US real estate market data for AI agents: prices, yields, forecasts and scores for 894 markets.

Python

MIT

Manage your Maroo business from MCP-compatible AI assistants.

Visual workflow memory: search, read, and freeze MindFlows workflows from any agent.