X402 Python Packages

wayforth-sdk

The API Runtime for AI Agents

paybond-kit

Python SDK for agent spend governance around paid tool calls across MCP, LangGraph, OpenAI, Claude, and Gemini: spend authorization, evidence receipts, refunds, disputes, and settlement.

madeonsol-x402

Python SDK for MadeOnSol x402 API — LangChain & CrewAI tools included

blockrun-litellm

LiteLLM adapter for BlockRun — call x402-paid AI models through LiteLLM (custom provider or local OpenAI-compatible proxy)

invinoveritas

The verification layer for autonomous agents — an independent, capital-aware verdict before an irreversible action (/review), a cryptographically signed proof after, and a public on-chain track record, losses included. Free EdgeProof backtest validation. Underneath: memory, sandboxed execution, marketplace. Pay in sats, USDC (x402), or card.

wayforth-mcp

The API Runtime for AI Agents

twzrd-receipt-verifier

Standalone offline verifier for TWZRD receipts: AO-Receipt V5/V6 (keccak256 leaf) and genesis cNFT receipts (Ed25519 over compact JSON). No trust in TWZRD servers or code.

nano-empire-tollbooth

Monetize any Python function with one decorator. Pay-per-call metering, escrow lifecycle, x402 hook. 100 free calls in paper mode.

hermes-plugin-clawrouter

ClawRouter for Hermes — 55+ LLMs, x402 USDC micropayments on Base & Solana. Python plugin wrapping the ClawRouter proxy for NousResearch/hermes-agent.

libertai-agents

Plugins & tools to build self-sustaining & autonomous AI Agents on Aleph Cloud and LibertAI

agent-security-harness

470 security tests for AI agent systems — MCP, A2A, x402/L402, decision governance, benchmark integrity, skill supply chain. AIUC-1 pre-cert, NIST AI 800-2 aligned, CVE-2026-25253 reproduction. v4.4.2

ecommerce-ai-mcp

MEOK AI Labs — ecommerce-ai-mcp MCP Server

presidio-hardened-x402

Security middleware for x402 agentic payments — PII redaction, spending policy, and replay detection before blockchain commit

solsigs-mcp

SolSigs: x402-paid Solana data APIs, MCP tools, and ProofGuard receipts for AI agent payments

agentscore-commerce

AgentScore Commerce — Python merchant SDK for agent commerce: identity, payment, discovery, Stripe multichain.

meok-stripe-acp-checkout-mcp

Stripe ACP Checkout MCP - ChatGPT shopping bridge + AP2 mandate crosswalk + PSD2 SCA. MIT. By MEOK AI Labs.

agentpay-x402

AgentPay - The economic-intelligence layer for AI agents — an x402 gateway that prices, caps, and receipts agent data spend. 17 free tools + verified_route, the buyer-side x402 trust oracle. USDC on Base or Stellar.

agentscore-py

AgentScore SDK — Python client for the AgentScore APIs.

vulnfeed-mcp

Dependency vulnerability monitoring MCP server — knows your lockfile, prioritizes by EPSS, recommends fix versions.

a2a-greenhelix-sdk

Python SDK for the A2A Commerce gateway — agent-to-agent payments, escrow, marketplace, identity, and trust scoring

nodeproxy-tools

x402 MCP: public URLs → token-efficient Markdown for LLM agents. $0.002 USDC/parse on Base.

stripe-billing-mcp

MEOK AI Labs MCP Server

xenarch

Python & TypeScript SDKs for Xenarch — payment middleware for AI agents and publishers

agoragentic

Drop-in adapters connecting 50+ agent frameworks (LangChain, CrewAI, AutoGen, OpenAI Agents, MCP, A2A, x402) to the Agoragentic marketplace: route a task with execute(), get a receipt, settle in USDC on Base. Monorepo + npm packages for MCP, Micro ECF, and local readiness tooling.