#L402

L402 charges agents for the call. Auth0 names them. Neither one prices the call by depth of identity. v0.3.0 of @powforge/mcp-l402-gate adds multi-dimensional score gating so a brand-new pubkey and a two-year on-chain agent stop paying the same rate.

Auth0 shipped MCP identity auth on May 6. They didn't ship per-call payment. Here's what that gap looks like, and a live L402+PoW MCP server that fills it.

Stop letting every agent that knows your MCP server URL hammer your paid backend for free. This tutorial drops L402 Lightning gating plus a Depth-of-Identity score check in front of one tool, with a clone-and-run example repo. Ten minutes start to finish.

L402 is a protocol for machine-to-machine payments. It allows agents to go out and purchase...

From Dev.to - webdev: AI Agents Can Now Pay for APIs Automatically — No Credit Cards, No OAuth

The Problem You built an API. You want to charge per request. Your options: API keys +...