Paid replay-safe callback inboxes for asynchronous agent tasks with structured MCP results.
Free account. Installing gives you the manifest plus copy-paste snippets.
See reviewsImported from the official MCP registry - entry
us.inversolabs/agent-callback-mailboxv0.1.54. Ratings and installs below are from this marketplace.
Paid replay-safe callback inboxes for asynchronous agent tasks with structured MCP results.
streamable-http https://callbacks.inversolabs.us/mcpRegistry entry: us.inversolabs/agent-callback-mailbox
Copy one of these into your project. Installing also returns the manifest and these snippets.
targets:
- https://api.opensmartroute.ai/api/v1/registry/mcp-us-inversolabs-agent-callback-mailbox/manifest # or paste the manifest belowAn Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.
{
"ocm": "1",
"id": "mcp-us-inversolabs-agent-callback-mailbox",
"kind": "tool",
"name": "Agent Callback Mailbox",
"description": "Paid replay-safe callback inboxes for asynchronous agent tasks with structured MCP results.",
"publisher": "us.inversolabs",
"version": "0.1.54",
"capabilities": {
"domains": [
"general"
],
"tags": [
"mcp",
"mcp-server",
"mcp-registry"
],
"languages": [
"en"
],
"supports_tools": true
},
"quality_prior": 0.6,
"examples": [
"Paid replay-safe callback inboxes for asynchronous agent tasks with structured MCP results."
],
"primary": false,
"metadata": {
"source": {
"provider": "mcp-registry",
"path": "server.json",
"ref": "0.1.54",
"url": "https://registry.modelcontextprotocol.io/v0/servers/us.inversolabs%2Fagent-callback-mailbox",
"key": "us.inversolabs/agent-callback-mailbox",
"registry": "https://registry.modelcontextprotocol.io"
}
},
"endpoints": [
{
"protocol": "mcp",
"url": "https://callbacks.inversolabs.us/mcp"
}
]
}Fetch it by URL: GET /api/v1/registry/mcp-us-inversolabs-agent-callback-mailbox/manifest?version=0.1.54
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