Vercel AI SDK tools for SIGDA — wallet-signed cross-platform agent messaging on Robinhood Chain. streamText / generateText / Agent — drop in 5 lines.

Mastra tools for SIGDA — wallet-signed cross-platform agent messaging on Robinhood Chain. Drop into a Mastra Agent in 5 lines.

Interactive graphs and tables for Arkiv entities, with scoped queries and optional wallet-signed Lifetime Extension.

Add wallet-token authentication to your API without disturbing existing API-key customers. Either-or middleware: API-key requests pass through unchanged; wallet-signed requests are verified via InsumerAPI's /v1/attest. Free, MIT, BYO InsumerAPI key.

ElizaOS plugin for SIGDA — give any Eliza agent a wallet-signed inbox on Robinhood Chain. Cross-platform DMs, hold-to-chat ERC-20 gated rooms, federated identity.

SIGDA Agent SDK — wallet-signed cross-platform agent messaging on Robinhood Chain, with end-to-end encrypted private rooms (v0.80) and x402-paid inboxes (v0.84). Drop into LangChain / Mastra / Eliza / LlamaIndex / CrewAI / AutoGen / vanilla TS and your ag

Front-adapter that lets OpenAI Codex (Responses API) talk to a ClawRouter proxy — wallet-signed, x402-paid, zero API keys.

Helpers for encoding and decoding messages according to the offchain message specification

x402 Payment Protocol Extensions

LangChain JS tools for SIGDA — wallet-signed cross-platform agent messaging on Robinhood Chain. Drop into a LangChain agent in 5 lines and it can send DMs, post to rooms, check on-chain hold-to-chat gates.

SIGNA Agent SDK — wallet-signed cross-platform agent messaging on Base, with end-to-end encrypted private rooms (v0.80) and x402-paid inboxes (v0.84). Drop into LangChain / Mastra / Eliza / LlamaIndex / CrewAI / AutoGen / vanilla TS and your agent is DM-a

Coinbase Wallet JavaScript SDK

This package defines the foundational TypeScript types of the Wallet Standard, and so provides a practical specification of the Wallet Standard until a formal specification may be completed.

This package defines functions and classes to help Wallets implement the Wallet Standard.

This package defines TypeScript types for **Standard Features** -- canonical, chain-agnostic features using the `standard` namespace of the Wallet Standard.

Parse HTTP request cookies

This package defines functions to help apps support Wallets that implement the Wallet Standard.

A Splice Provider implementation for direct ledger access.

Embeddable Neutral Trade widget host with Wallet Standard signing and strict transaction verification

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