MetaMask mcp-x402
MetaMask's own MCP server for generating x402 payment headers signed by a supplied private key.
Last commit Jan 1, 2026 · ★ 2
Overview
mcp-x402 is a first-party MetaMask MCP server that constructs and signs x402 payment headers from a provided EVM private key, letting an agent complete x402-gated HTTP requests without hand-rolling payment-header logic. It targets agent builders who need machine-payable API access on EVM chains and want a MetaMask-maintained reference implementation rather than a third-party one.
Sato Score
42/100· MediumHow open, active & verifiable — not a safety or returns grade.
- Maintenance & liveness
- 20/35
- Code transparency
- 17/20
- Interface verifiability
- 0/10
- Docs & demo
- 0/10
- Listing transparency & provenance
- 5/15
- Independent verification
- 0/10
Details
- Chains
- Ethereum, Base
- Agent types
- MCP server / x402 tooling
- Open source
- Yes
- Last checked
- 2026-07-19
Marketplace Signals
No marketplace signals recorded for this resource yet.
Verification status reflects evidence reviewed by Sato Hub. Self-reported claims are never presented as verified.
Where MetaMask mcp-x402 fits
Related concepts: How Agents Use Wallets, What Are Onchain Agents?
Listing History
Recorded changes to MetaMask mcp-x402's listing — status, verification, Sato Score, and recent releases. Full history is kept in the listing record.
- Jul 19, 2026Listed on Sato Hub
- Jul 19, 2026Sato Hub began tracking this listing
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