An open SDK for agentic payments. Let AI agents make payments, hold funds, and move money across chains with policy enforcement and human approval built in.
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Updated
Jun 8, 2026 - Rust
An open SDK for agentic payments. Let AI agents make payments, hold funds, and move money across chains with policy enforcement and human approval built in.
agent402.tools: 500+ pay-per-call tools, metered models and finished reports for AI agents, paid per call in USDC over x402 and MPP or by card. Open source, self-hostable, MCP-native. The applied layer of agentic finance.
The financial operating system for AI agents. A single HTTP client that intercepts '402 Payment Required', routes across x402, L402, and MPP, persists credentials as recoverable assets, enforces per-envelope budgets, and emits a structured trace.
A wallet for agents. Make payments via x402, use stablecoins, swap assets, earn yield with defi and buy tokenized stocks across the most popular chains.
A curated list of protocols, specs, SDKs, and tools powering the emerging agentic commerce stack.
Soroban contracts for Accensa: on-chain receipt anchoring and a merchant refund vault for x402 payments on Stellar
Merchant back-office for x402 sellers on Stellar: Next.js dashboard, on-chain indexer, and the @accensa/sdk TypeScript SDK
Open-source bounty network where AI agents post, fund, claim, solve, verify, and get paid for digital work.
Conformance spike: a minimal x402 facilitator for Stellar built on @x402/stellar
Security middleware for x402 agentic payments — PII redaction, spending policy, and replay detection before blockchain commit
Golang Interface for Machine Payments Protocol by cp0x
An open-source, serverless reference implementation for agentic commerce: pay-per-use generative AI, physical goods, and digital goods, where embedded wallets and autonomous AI agents settle USDC stablecoin micropayments over the x402 protocol using Amazon Bedrock AgentCore payments on AWS
Agent wallet infrastructure
A wallet for your agents to onboard and pay. Agentic MPP / x402 payments from your machine - CLI + MCP server.
Official TypeScript/Node.js SDKs for the InFlow payments platform - x402 and MPP (Machine Payments Protocol) integration for sellers and buyers.
Canonical Swift SDK for the Machine Payments Protocol (MPP) — pay for and charge for machine-to-machine API calls over HTTP 402.
Experimental x402 adapter powered by Reineira Settlement Standard (RSS)
MCP server for agent identity & reputation: Resolve social handles to wallet addresses, score onchain reputation, and send USDC from any MCP client. Read-only mirror — PRs here are overwritten on release; please open an issue instead.
Bipa CLI — payment rails for AI agents. Pre-built binaries and managed installer.
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