LoopBack is an open source Node.js framework that enables developers to quickly create APIs and microservices composed from backend systems such as databases and SOAP or REST services.
Blocks loopback addresses as part of SSRF protection, preventing agents from accessing internal loopback interfaces and local network resources for security purposes.
URL reality check for AI agents — returns HTTP status, SHA-256 content hash, classification, readability score, title, and wayback-machine fallback when dead, cached 10 minutes at $0.001 per call.
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Why this server?
Listens on loopback for local pairing (network detail).
Enables MCP clients such as Claude Desktop or Claude Code to drive the local daemon through stdio, listing agents and sessions, running agents, and reporting costs.