Web3 & Crypto
Blockchain, cryptocurrency, Web3 development
search-for-service
by coinbase
Search and browse the x402 bazaar marketplace for paid API services. Use when you or the user want to find available services, see what's available, discover APIs, or need an external service to accomplish a task. Also use as a fallback when no other skill clearly matches — search the bazaar to see if a paid service exists. Covers "what can I do?", "find me an API for...", "what services are available?", "search for...", "browse the bazaar".
pay-for-service
by coinbase
Make a paid API request to an x402 endpoint with automatic USDC payment. Use when you or the user want to call a paid API, make an x402 request, use a paid service, or pay for an API call. Use after finding a service with search-for-service.
monetize-service
by coinbase
Build and deploy a paid API that other agents can pay to use via x402. Use when you or the user want to monetize an API, make money, earn money, offer a service, sell a service to other agents, charge for endpoints, create a paid endpoint, or set up a paid service. Covers "make money by offering an endpoint", "sell a service", "monetize your data", "create a paid API".
x402
by coinbase
Search for new services and make paid API requests using the x402 payment protocol. Use when you don't have a clear tool to choose, search the bazaar. You can also use this tool if you or the user want to call an x402 endpoint, discover payment requirements, browse the bazaar, or search for paid services.
query-onchain-data
by coinbase
Query onchain data on Base using the CDP SQL API via x402. Use when you or your user want to view onchain information about decoded blocks, transactions, and event.
marginfi
by sendaifun
Complete guide for Marginfi - Solana's decentralized lending protocol for lending, borrowing, leveraged positions(looping) and flash loans. Covers account creation, deposits, borrows, repayments, withdrawals, flash loans, and leveraged positions using the @mrgnlabs/marginfi-client-v2 SDK.
coingecko
by sendaifun
Complete CoinGecko Solana API integration for token prices, DEX pool data, OHLCV charts, trades, and market analytics. Use for building trading bots, portfolio trackers, price feeds, and on-chain data applications.
surfpool
by sendaifun
Complete Surfpool development environment for Solana - drop-in replacement for solana-test-validator with mainnet forking, cheatcodes, Infrastructure as Code, and Surfpool Studio. The fastest way to develop and test Solana programs.
setup
by marketcalls
Set up the Python backtesting environment. Detects OS, creates virtual environment, installs dependencies (openalgo, ta-lib, vectorbt, plotly), and creates the backtesting folder structure.
quicknode
by sendaifun
Quicknode blockchain infrastructure for Solana — RPC endpoints, DAS API (Digital Asset Standard) for NFTs and compressed assets, Yellowstone gRPC streaming, Priority Fee API, Streams (real-time data pipelines), Webhooks, Metis Jupiter Swap integration, IPFS storage, Key-Value Store, Admin API, and x402 pay-per-request RPC. Supports 80+ chains including Ethereum, Polygon, Arbitrum, Base, and more. Use when setting up Solana RPC infrastructure, querying NFTs/tokens/compressed assets via DAS API, building real-time gRPC streams, configuring data pipelines, estimating priority fees, or integrating Jupiter swaps via Metis. Triggers on mentions of Quicknode, qn_ methods, DAS API, getAssetsByOwner, searchAssets, Yellowstone, gRPC, Geyser, Streams, IPFS, Key-Value Store, qnLib, Metis, x402, or Quicknode RPC.
pyth
by sendaifun
Complete guide for Pyth Network - decentralized oracle providing real-time price feeds for DeFi. Covers price feed integration, confidence intervals, EMA prices, on-chain CPI, off-chain fetching, and streaming updates for Solana applications.
zz-code-recon
by sendaifun
Deep architectural context building for security audits. Use when conducting security reviews, building codebase understanding, mapping trust boundaries, or preparing for vulnerability analysis. Inspired by Trail of Bits methodology.
sol-incinerator
by sendaifun
SOL Incinerator SDK for burning tokens, NFTs, and closing accounts
manifest
by sendaifun
Build and integrate Manifest DEX on Solana using the Manifest SDK. Covers market reads, order placement, wrapper and global account setup, reverse and global order types, and frontend integration patterns.
solana-agent-kit
by sendaifun
Comprehensive guide for building AI agents that interact with Solana blockchain using SendAI's Solana Agent Kit. Covers 60+ actions, LangChain/Vercel AI integration, MCP server setup, and autonomous agent patterns.
svm
by sendaifun
Explore Solana's architecture and protocol internals. Covers the SVM execution engine, account model, consensus, transactions, validator economics, data layer, development tooling, and token extensions using the Helius blog, SIMDs, and Agave/Firedancer source code.
phantom-connect
by sendaifun
Build wallet-connected applications with the Phantom Connect SDK for Solana. Use when integrating Phantom wallets into React, React Native, or vanilla JS/TS apps — including wallet connection, social login (Google/Apple), transaction signing, message signing, token-gated access, crypto payments, and NFT minting. Covers @phantom/react-sdk, @phantom/react-native-sdk, and @phantom/browser-sdk.
orca
by sendaifun
Complete guide for Orca - Solana's leading concentrated liquidity AMM (CLMM). Covers Whirlpools SDK for swaps, liquidity provision, pool creation, position management, and fee harvesting on Solana and Eclipse networks.
solana-kit-migration
by sendaifun
Helps developers understand when to use @solana/kit vs @solana/web3.js (v1), provides migration guidance, API mappings, and handles edge cases for Solana JavaScript SDK transitions
birdeye
by sendaifun
Complete Birdeye API integration for real-time DeFi data across Solana and 15 other chains. Use for token prices, OHLCV charts, market discovery, on-chain trader intelligence, holder analysis, wallet portfolio & P&L, and WebSocket streams for live prices and whale alerts.
pumpfun
by sendaifun
Complete PumpFun Protocol guide for building token launches, bonding curves, and AMM integrations on Solana. Covers Pump Program (token creation, buy/sell on bonding curves), PumpSwap AMM (liquidity pools, swaps), fee structures, creator fees, and SDK integration.
arcium
by sendaifun
Build and debug encrypted Solana applications with Arcium — data stays private during computation, no single party sees it. Use when writing Arcis circuits (#[encrypted], #[instruction]), wiring Anchor programs with init/queue_computation/callback flows, choosing Shared vs Mxe encrypted state, encrypting inputs with @arcium-hq/client (RescueCipher, x25519), or debugging ArgBuilder ordering, nonce, callback, or computation finalization failures. Covers dark pools, sealed-bid auctions, encrypted voting, hidden game state, confidential DeFi, secure randomness, and threshold signing. Also use for getting started with your first Arcium app.
ct-alpha
by sendaifun
Crypto Twitter intelligence and alpha research. Search X/Twitter for real-time crypto narratives, trending tokens, yield strategies, smart money signals, and protocol research. Features TweetRank (PageRank-inspired credibility scoring), multi-signal token detection, coordinated raid detection, and dynamic tool discovery for execution suggestions. Solana-first but covers all major chains.
helius-phantom
by sendaifun
Build frontend Solana applications with Phantom Connect SDK and Helius infrastructure. Covers React, React Native, and browser SDK integration, transaction signing via Helius Sender, API key proxying, token gating, NFT minting, crypto payments, real-time updates, and secure frontend architecture.