402signal
Pre-flight check and signed evidence for agent payments (x402 and MPP): confirm the endpoint is live and the price and recipient match before your agent pays.
代理支付（x402 和 MPP）的飞行前检查和签名证据：在代理支付前确认端点在线且价格和收款人匹配。
How to install
No unified install command; see the repository README.
About
402Signal **Signed proof of what your agent was offered before it paid.** 402Signal checks supported seller offers against buyer rules. On supported bound profiles, the local guard verifies signed evidence before your wallet signs; generic MPP offer observation does not itself provide a signed execution binding. Your application keeps its wallet, signing authority and final payment decision. A qualifying check costs **$0.003 USDC**, paid over x402 with the same wallet. Completed normal misses are not settled: a check that finds no qualifying offer is free. Opening a hosted session costs $0.005…
Recommendation signals
Meta
- License
- MIT
- Language
- Python
- GitHub stars
- 1
- mo. downloads
- –
- Last push
- 2026-09-17
- Created
- 2026-08-30
Links
Basic safety check
- Findings
- curated 收录但无 npm 包/安装命令
- Sources
- curated:punkpeye/awesome-mcp-servers
- Topics
- 402, 402-protocol, algorand, algorand-blockchain, base-blockchain, finance, pqcrypto, router, solana, x402, x402-facilitator, x402-payment, x402-protocol, x402-services
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