#x402

MCP Server for Lightning Faucet - Give your AI agent a Bitcoin wallet

The evidence layer SDK for the agent economy — counter-signed receipts, action records, disputes, and jury-ready evidence envelopes. npm: tersign

VIP native passthrough for Anthropic & OpenAI through BlockRun — official Go SDKs, x402 USDC on Base, zero response reshaping.

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.

Canonical off-chain mirror of the dexter-vault Solana Anchor program. Instruction builders, message encoders, account decoders, precompile helpers, signer interfaces.

Solana Agent Kit plugin for MadeOnSol — KOL intelligence and deployer analytics via x402

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

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

x402 client SDK for MadeOnSol Solana KOL intelligence API — pay-per-request with USDC

ElizaOS plugin for MadeOnSol — Solana KOL trading intelligence via x402 micropayments

Model Context Protocol server for the XRPL-Utilities portfolio (Sentinel, Pulse, Telemetry, Trust). Stateless passthrough — caller provides x402 payment header.

Vaaya MCP server — pay-per-call agent superpowers: media & video generation, product demo videos, web search & scraping, deep/market research, GTM & sales enrichment, code sandboxes, browser automation, email, memory. No API keys.