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mcp-l402-gate

L402 Lightning paywall + Depth-of-Identity score gate for MCP. Three tools — `l402_gate_challenge`, `l402_gate_verify`, `l402_gate_score` — let agents pay per-call without accounts: solve a PoW challenge for the free tier, or pay a Lightnin

smithery:zekebuilds/mcp-l402-gate