Framework-agnostic Solana transaction signing with 13 provider backends — Memory, Privy, Turnkey, AWS KMS, Fireblocks, GCP KMS, Dfns, Para, CDP, Crossmint, Openfort, Utila, HashiCorp Vault. Unified SolanaSigner interface for TypeScript (@solana/keychain) and Rust. Security audited by Accretion 2026.
@solana/keychainEnterprise payment channel infrastructure on Solana mainnet — private transactions with instant finality, RBAC, SPL token escrow/withdrawal programs, 5-stage pipeline (dedup, sigverify, sequencer, executor, settler), and Yellowstone gRPC indexing. Reference implementation for tokenised deposits and institutional capital markets.
Fireblocks' open coordination layer for compliant onchain transactions — policy, screening, and settlement metadata travel with the transaction.
Embedded payout and beneficiary UI components for web. Pre-built widgets for integrating Airwallex payout flows into your own frontend.
Microsoft's native Go port of the TypeScript compiler — ~10x faster builds, now at 7.0 RC. Matters to every TS-based Solana toolchain.
Command-line tools for Solana development and validator management
by Solana Foundation
$ solanaFull-stack onchain UX toolkit from Reown (rebranded WalletConnect). Multichain auth, embedded + connect wallets, payments, and analytics via one SDK across EVM, Solana, Bitcoin, and Tron.
@reown/appkitFramework and CLI for Solana smart contract development
by Anchor
$ anchor@coral-xyz/anchorCLI for creating and managing SPL tokens on Solana
by Solana Labs
$ spl-tokenCore Solana JavaScript SDK for transactions, accounts, and RPC
by Solana Labs
@solana/web3.jsSDK for cross-chain messaging and token bridging via Wormhole
by Wormhole
@wormhole-foundation/sdkSDK for integrating Solana Pay payment requests
by Solana Pay
@solana/payVisa's agentic security harness: LLM agents that triage and validate vulnerability reports at scale. Visa's most-starred public repo.
Next-gen Solana TypeScript SDK (successor to web3.js)
by Solana Labs
@solana/kitFast in-process Solana VM for testing programs — much faster than solana-program-test and solana-test-validator, with an ergonomic Rust API.
Drop-in replacement for solana-test-validator. Forks Mainnet accounts locally, ships RPC cheatcodes (time travel, balance manipulation, state reset), a universal faucet for any token, and Infrastructure-as-Code deployments for Anchor and Pinocchio projects.
$ curl -sL https://run.surfpool.run/ | bashTypeScript and Rust SDKs for building on Orca's CLAMM (Whirlpools) on Solana and Eclipse.
by Orca
@orca-so/whirlpools-sdkOpen registry of agent-callable integrations behind integrations.sh — publish once, discoverable by any agent.
Generate clients, docs, and CLIs from Solana program IDLs — one IDL, every client. Covered in our client-generation article.
Modern JavaScript/TypeScript client library for Solana built on @solana/kit — the ergonomic middle ground in our kit vs web3.js vs gill comparison.
TypeScript SDK for Drift perpetual futures and spot trading
by Drift Protocol
@drift-labs/sdkKubernetes pod restart info collector — automatically diagnoses pod crash causes, collects logs and events, and surfaces root-cause summaries. 387 stars.
JavaScript SDK for Metaplex NFTs, token metadata, and digital assets
by Metaplex
@metaplex-foundation/jsSDK for Raydium AMM, CLMM pools, and swaps
by Raydium
@raydium-io/raydium-sdk-v2SDK for ZK compression on Solana — compressed tokens and accounts
by Light Protocol
@lightprotocol/stateless.jsTypeScript SDK for Helius RPC, DAS API, webhooks, and priority fees
by Helius
helius-sdkLightweight Solana program framework by Regolith Labs — the low-boilerplate alternative compared in our Anchor vs Pinocchio vs Steel article.
Open-source Unity ↔ Solana SDK with full JSON-RPC coverage, in-game wallet (Phantom + Web3Auth + Solana Mobile Stack), SPL tokens, NFTs, Orca/Jupiter DEX support, and xNFT compilation. Maintained by MagicBlock Labs; published on the Unity Asset Store as a Verified Solution.
Visa's open standard for trust between AI agents and merchants in agentic commerce: agent identity, intent, and payment credentials presented verifiably at checkout. Companion spec surface at developer.visa.com.
Accessibility-first, framework-agnostic data visualisation components from Visa: React, Angular, and web-component wrappers over a shared charting core.
SDK for multisig and smart account management on Solana
by Squads
@sqds/multisigPinocchio-based compute-optimized drop-in replacement for the SPL Token program (SIMD-0266) — ~95-98% less compute and ~19x faster than legacy SPL Token. By Anza.
MCP server exposing Solana Agent Kit's on-chain actions — transfers, swaps, staking, token launches — to Claude and other AI agents.
Solana program development framework for writing blazing-fast SVM programs with zero-copy account access.
GPU-accelerated Solana vanity address generator. Grinds CreateAccountWithSeed inputs (SHA-256) instead of ed25519 keypairs — ~1.3B searches/sec per RTX 4090. Apache-2.0, by cavemanloverboy.
$ cargo install vanity --features=gpuOpen payment standard built on HTTP 402 for instant stablecoin micropayments to APIs, agents, and content — multi-chain reference implementation by Coinbase.
AI Agent Kit for Solana developers — scaffolds agent-native apps that read/write on-chain.
The Solana Foundation's official MCP server at mcp.solana.com — Solana docs and tooling exposed to AI agents over /mcp and /sse.
Framework-agnostic Solana transaction signing with multiple backends. Unified trait interface, async-first design, and feature-gated compilation for minimal dependencies.
by Solana Foundation
Curated list of Solana BPF (sBPF) development resources — raw assembly, Zig, C program development, tooling, and references for building on Solana at the lowest level
Open-source MCP server that exposes Solana RPC methods to AI agents for reading on-chain state.
SDK for Kamino lending, borrowing, and liquidity strategies
by Kamino Finance
@kamino-finance/klend-sdkSendAI's curated index of Solana MCP servers — the directory to discover what's available.
Official TypeScript SDK for Crossmint — embedded Solana smart wallets, social/email login, fiat checkout, and NFT minting from one React-friendly package.
by Crossmint
@crossmint/client-sdk-react-uiTypeScript and Rust client SDK for Yellowstone Geyser gRPC, powered by NAPI-RS for high-throughput Solana data streaming.
Shared-memory data streaming for colocated Solana services. Fans account/transaction updates from one sender to local consumers over per-consumer SPSC rings in /dev/shm, with a Unix-domain control socket for handshake, subscriptions, and eventfd wakeups. Zero-copy hot path, sender-side filtering (bloom-pre-reject for large filters), backpressure-aware consumer drops, and opportunistic LZ4. Rust, Linux-only (eventfd, memfd_create, SCM_RIGHTS). By Brew Labs.
Integration toolkit for connecting AI agents to the Visa Intelligent Commerce platform: TypeScript APIs for agent-initiated card payments, tokenisation, and controls.
Open-source reliable and fast wallet service for mission-critical financial applications, written in Rust. Designed for high-throughput account balance management.
Official Android SDK for Airwallex payment acceptance. Native UI screens, card tokenisation, 3DS, and alternative payment methods for Android apps.
Enterprise platform from Solana Foundation for wallets, token issuance, payments, and compliance — hosted API plus dashboard.
Official iOS SDK for Airwallex payment acceptance. Native UIKit components, card tokenisation, 3DS, Apple Pay, and alternative payment methods.
CLI for NFT creation, candy machine management, and digital assets
by Metaplex
$ mplxTurns Anchor and Codama IDLs into hosted REST APIs, llms.txt AI docs, and a public MCP server. Unsigned transactions only; open source (MIT) on Cloudflare Workers. Covered in our Orquestra article.
Flutter plugin for Airwallex payment acceptance. Dart interface over native iOS and Android SDKs for cross-platform mobile checkout.
Airwallex command-line interface for managing accounts, payments, payouts, and API calls from the terminal.
React Native SDK for Airwallex payment acceptance. Wraps native iOS/Android SDKs with a TypeScript interface for cross-platform checkout flows.
Open-source reference application for Visa Intelligent Commerce: run an end-to-end agentic commerce flow (agent finds, decides, and pays) against Visa's platform.
Solana Kit library for SvelteKit — wallet connection, transactions, and Anchor program helpers via @wallet-standard.
kit-squaredAirwallex Risk Android SDK — device intelligence and fraud detection for merchant and platform apps integrating Airwallex services.
Solidity-to-Solana compiler written in Rust — write Solana programs in Solidity syntax and compile to Anchor or BPF. Supports mappings (auto-PDA), events, custom errors, modifiers, CPI, and SPL Token ops.
n8n community node for signing Solana transactions via @solana/keychain backends — Memory, Vault, AWS KMS, GCP KMS, Privy, Turnkey, Fireblocks, and more. New/experimental (v0.1.0).
@orquestradev/n8n-nodes-solana-signerNetwork explorer and API for Arcium's confidential-computing network on Solana — browse computations, clusters, Arx nodes, and MXEs.
Community-curated list of Solana resources — tools, libraries, tutorials, protocols, and ecosystem projects for developers building on Solana
REST API for NFT minting, wallets, and payments infrastructure
by Crossmint
REST API for Solana RPC, DAS, enhanced transactions, and webhooks
by Helius
Swap and quote API for Jupiter DEX aggregator
by Jupiter
TypeScript SDK for Jupiter swap integration
by Jupiter
@jup-ag/coreSDK for Meteora DLMM, dynamic pools, and bonding curves
by Meteora
@meteora-ag/dlmmAPI for fiat on-ramp and crypto purchases
by MoonPay
REST API for Orca pool data, prices, and routing on Solana.
CLI that gives AI agents and terminals access to pay-per-use APIs — no signup, no keys, no subscriptions. Works with Claude Code, Gemini, Codex.
Decentralized AI agent marketplace on Solana — enables automated micropayments between AI agents using ElizaOS, libp2p, and IPFS. Agents can hire, work for, and pay each other on-chain without human intervention
SDK for integrating Phantom wallet connect and signing
by Phantom
A docs/skills MCP server that teaches agents to write ProofNetwork's verifiable serverless Solana contracts. Endpoint: proofnetwork.lol/api/mcp.
SDK for consuming Pyth oracle price feeds on Solana
by Pyth Network
@pythnetwork/clientSDK for Switchboard oracle data feeds and verifiable randomness
by Switchboard
@switchboard-xyz/on-demandDecoded Solana protocol data — DEX, lending, perps, LP, staking, yield, governance, and wallet holdings — via REST, an MCP server (SSE), and a keyless x402 pay-per-call endpoint at $0.0004/call. Tiers from free (50 req/min) to Business.
A comprehensive TypeScript SDK for Umbra Privacy. Adds stealth addresses, confidential transfers, and privacy primitives to Solana apps.
@umbra-privacy/sdkNode.js SDK for the Zoneless open-source payout platform. Stripe-compatible API shapes — swap Stripe Connect for USDC-on-Solana payouts with near-zero fees and instant settlement across 220+ countries.
zoneless