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mcpg-plugin-payment-x402 MCP server · F · ToolBench

mcpg-plugin-payment-x402

github.com/mcpg-dev/mcpg-plugin-payment-x402

x402 (Coinbase) crypto micropayment plugin for MCPG gateway. Implements the x402 payment protocol which uses EIP-712 typed data signatures for simple per-tool-call crypto micropayments. A facilitator service verifies on-chain transactions.

<=2025-11-250 tools

21/100

Definition Quality0

Protocol Readiness0

Supportability35

Spec posture

Inferred effective spec <=2025-11-25·current baseline 2026-07-28

Static source inference · medium confidence · detected: Logging

Deprecated protocol patterns detected

Summary

Scoring was not performed

Score history

Overall score trend

First recorded score · v2 rubric

21/100

Scored	Grade	Overall	Spec posture	Rubric
2026-09-23	F	21	<=2025-11-25	v2