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The A2A x402 Extension brings cryptocurrency payments to the Agent-to-Agent (A2A) protocol, enabling agents to monetize their services through on-chain payments. This extension revives the spirit o…

JavaScript/TypeScript-native, low-boilerplate, object-capability RPC system

Opinionated Framework for Building Hyper-Scalable Blockchains on Avalanche

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

The official TypeScript SDK for Model Context Protocol servers and clients

Monorepo for 𝚝𝟷

zkSync era

A Multichain crypto wallet library that supports Ethereum, Bitcoin, Solana, Tron, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.

Strongly typed JSON library for Rust

secp256k1 elliptic curve cryptography in pure Solidity for on- and offchain operations

Contract to verify notary signatures on chain

Programmatically start (AI) sandboxes on top of CodeSandbox

OBS Source Record UI

This is a client library for the INTMAX API. It helps you connect and use INTMAX services in your app easily.

A fast, local first, reactive Database for JavaScript Applications https://rxdb.info/

⬆ Dead simple, dependency-less, spec-compliant server-sent events implementation for Node, written in TypeScript.

Library for elliptic curves cryptography

Capture screenshots programmatically. Cross-platform, with support for MacOS (Darwin), Windows, and Linux.

Prototype Rust implementation of hash-based signatures. See https://eprint.iacr.org/2025/055.pdf