• Picking the right SEP for an integration (anchors, deposits, federation, deep links, KYC, paths)
• Checking CAP status for a protocol feature you want to rely on
• Finding existing DeFi protocols, wallets, or infrastructure to integrate with rather than rebuild
• Locating official docs, SDKs, or community resources

• Implementing a SEP-41 token interface →

  ../assets/SKILL.md

  ,

  ../soroban/SKILL.md

• Frontend SEP-7 / SEP-10 flows →

  ../dapp/SKILL.md

• CAPs for cryptography (BLS, BN254, Poseidon) →

  ../zk-proofs/SKILL.md

• x402/MPP protocol context →

  ../agentic-payments/SKILL.md

• The right SEP/CAP for a feature or integration
• Interoperability guidance for wallets, anchors, and contracts
• A fast map from use case to official standards docs

• SEPs: stellar-protocol/ecosystem
• CAPs: stellar-protocol/core

• SEP-0041: Soroban token interface
• SEP-0046: Contract metadata in Wasm
• SEP-0048: Contract interface specification
• SEP-0049: Upgradeable-contract guidance
• SEP-0050: NFT standard work
• SEP-0055: Contract build verification
• SEP-0056: Vault-style tokenized products
• SEP-0057: Regulated token patterns (T-REX)

• SEP-0010: Web authentication
• SEP-0023: StrKey encoding
• SEP-0001:

  stellar.toml

• SEP-0006: Programmatic deposit/withdrawal API
• SEP-0024: Hosted interactive anchor flow
• SEP-0031: Cross-border payment flow
• SEP-0012: KYC data exchange

• CAP-0046: Soroban overview
• CAP-0046 subdocuments (

  cap-0046-*.md

  ): runtime, lifecycle, host functions, storage, auth, metering

• CAP-0051: secp256r1 verification (passkey-related cryptography)
• CAP-0053: TTL extension behavior
• CAP-0058: constructors (

  __constructor

  )
• CAP-0059: BLS12-381 primitives
• CAP-0067: protocol/runtime improvements including asset/event model changes

• CAP-0074: BN254 host functions proposal
• CAP-0075: Poseidon/Poseidon2 proposal
• CAP-0079: muxed-address strkey conversion proposal

1. Start with SEP-0041 interface expectations.
2. Prefer Stellar Assets + SAC interop unless custom logic is required.
3. If regulated, review SEP-0057 patterns.

1. Read SEP-0049 guidance for upgrade process design.
2. Use CAP-0058 constructors for atomic initialization where protocol support exists.
3. Add migration/versioning strategy before deploying upgradeable contracts.

1. Use SEP-0010 for web authentication flows.
2. Review CAP-0051 for passkey-related cryptographic primitives.
3. Align wallet UX and signing payloads with current SDK guidance.

1. SEP-0006 for API-first flows.
2. SEP-0024 for hosted interactive rails.
3. SEP-0031 when supporting payment corridors.
4. SEP-0012 for KYC data requirements.

• Step 1: Identify feature category (token, wallet auth, anchor, upgradeability).
• Step 2: Link user to the 1-3 primary SEP/CAP docs.
• Step 3: Check status/acceptance in the source repo before asserting support.
• Step 4: Implement only what is active on the target network/protocol.
• Step 5: Document dependencies on draft standards explicitly.

• Contract implementation details:

  ../soroban/SKILL.md

• Advanced architecture guidance:

  ../soroban/SKILL.md

• RPC and data access:

  ../data/SKILL.md

• Security considerations:

  ../security/SKILL.md

Canonical directories — For the most up-to-date project lists, check:

• Stellar Ecosystem — Official directory (searchable by country, asset, category)
• SCF Projects — Funded projects with status tracking
• Stellar on DefiLlama — Live DeFi TVL data

Treat project metrics/status as volatile. Validate latest activity and production readiness before taking dependencies.

• Use Case: Lending, borrowing, yield generation
• GitHub: https://github.com/blend-capital/blend-contracts
• GitHub (v2): https://github.com/blend-capital/blend-contracts-v2
• Integrations: Meru, Airtm, Lobstr, DeFindex, Beans

• Use Case: Lending, borrowing, flash loans
• Features: Pool-based strategy, sTokens, dTokens, utilization caps
• Oracle: SEP-40 compatible (Reflector)

• Use Case: Token swaps, liquidity provision, aggregation
• Website: https://soroswap.finance
• GitHub (Core): https://github.com/soroswap/core
• GitHub (Frontend): https://github.com/soroswap/frontend
• GitHub (Aggregator): https://github.com/soroswap/aggregator
• Docs: https://docs.soroswap.finance
• Features: AMM + DEX aggregator across Aqua, Phoenix, Stellar Classic DEX

• Use Case: Liquidity incentives, AMM, governance
• Website: https://aqua.network
• GitHub: https://github.com/AquaToken/soroban-amm
• GitHub (Org): https://github.com/AquaToken
• Token: AQUA (governance + rewards)
• Docs: https://docs.aqua.network

• GitHub: https://github.com/Phoenix-Protocol-Group
• Use Case: Token swaps, liquidity pools

• Use Case: Tokenized vaults, yield strategies, DeFi abstraction
• Docs: https://docs.defindex.io
• Features: Automated rebalancing, vault management, Blend integration

• Use Case: Mint stablecoins against XLM/bond collateral
• Docs: https://docs.orbitcdp.finance
• Features: Multi-currency stablecoins, Pegkeeper automation, Blend integration

• Website: https://freighter.app
• Docs: https://docs.freighter.app
• GitHub: https://github.com/stellar/freighter
• GitHub (Mobile): https://github.com/stellar/freighter-mobile
• API: https://github.com/stellar/freighter/tree/master/library/freighter-api
• Features: Soroban support, mobile apps (iOS/Android), Discover browser

• Website: https://xbull.app
• Features: Multi-account, hardware wallet support

• Website: https://albedo.link
• Use Case: Web authentication, transaction signing

• Website: https://rabet.io

• Website: https://hana.network

• Website: https://lobstr.co
• Platforms: iOS, Android, Web
• Features: DEX trading, multisig, 2FA, asset discovery

• Use Case: Payments, earning (via DeFindex/Blend)
• Features: Non-custodial yield generation

• GitHub: https://github.com/Creit-Tech/Stellar-Wallets-Kit
• Supports: Freighter, LOBSTR, xBull, Albedo, Rabet, Hana, Ledger, Trezor, WalletConnect

• GitHub: https://github.com/kalepail/smart-account-kit
• Use Case: Production smart wallets with passkeys
• Built On: OpenZeppelin stellar-contracts
• Features:
  • Context rules with fine-grained authorization scopes
  • Policy support (threshold multisig, spending limits, custom policies)
  • Session management with automatic credential persistence
  • External wallet adapter support (Freighter, LOBSTR, etc.)
  • Built-in indexer for contract discovery
  • Multiple signer types (passkeys, Ed25519, policies)

• GitHub: https://github.com/kalepail/passkey-kit
• Status: Legacy - use Smart Account Kit for new projects
• Use Case: Simple passkey wallet integration
• Integration: OpenZeppelin Relayer (gasless tx), Mercury (indexing)
• Demo: passkey-kit-demo.pages.dev
• Example: Super Peach

• Docs: https://docs.openzeppelin.com/relayer
• Use Case: Gasless transactions, fee sponsoring

• Website: https://mercurydata.app
• Docs: https://docs.mercurydata.app
• Use Case: Event indexing, data queries, automation
• Features: Zephyr VM (serverless Rust execution at ledger close), GraphQL API

• Website: https://subquery.network
• Quick Start: https://subquery.network/doc/indexer/quickstart/quickstart_chains/stellar.html
• Features: Block/transaction/operation/event handlers, multi-threading, 300+ chains

• Website: https://goldsky.com
• Docs: https://docs.goldsky.com/chains/stellar
• Features: Mirror (real-time pipelines), subgraphs, on-chain + off-chain data

• GitHub: https://github.com/xycloo/zephyr-vm
• Use Case: Indexing, monitoring, automation
• Features: Self-hostable, ledger-close execution

• GitHub: https://github.com/OpenZeppelin/stellar-contracts
• Docs: https://developers.stellar.org/docs/tools/openzeppelin-contracts
• Contract Wizard: https://wizard.openzeppelin.com/stellar
• Includes: Tokens (fungible/NFT), governance (timelock), vaults (SEP-56), access control, fee forwarder
• Crates:

  stellar-tokens

  ,

  stellar-access

  ,

  stellar-contract-utils

• GitHub: https://github.com/CoinFabrik/scout-soroban
• Install:

  cargo install cargo-scout-audit

• Features: CLI tool, VSCode extension, SARIF output for CI/CD
• Examples: https://github.com/CoinFabrik/scout-soroban-examples

• GitHub: https://github.com/OpenZeppelin/soroban-security-detectors-sdk
• Detectors:

  auth_missing

  ,

  unchecked_ft_transfer

  , improper TTL, contract panics
• Extensible: Load external detector libraries, CI/CD ready

• Docs: https://docs.certora.com/en/latest/docs/sunbeam/index.html
• Spec Language: CVLR (Rust macros) — https://github.com/Certora/cvlr
• Reports: Blend V1 verification
• Verifies at: WASM bytecode level, eliminating compiler trust assumptions

• Docs: https://docs.runtimeverification.com/komet
• Repo: https://github.com/runtimeverification/komet
• Spec Language: Rust — property-based tests written in the same language as Soroban contracts
• Operates at: WASM bytecode level via KWasm semantics (eliminates compiler trust assumptions)
• Features: Fuzzing, testing, formal verification
• Reports: https://github.com/runtimeverification/publications
• Example: TokenOps audit and verification report
• Blog: Introducing Komet

• Website: https://sorobansecurity.com
• Features: Searchable audit reports, vulnerability database, best practices

• Docs: https://developers.stellar.org/docs/tools/stellar-cli
• Features: Contract build, deploy, invoke, bindings generation

• GitHub: https://github.com/stellar/js-stellar-sdk
• npm:

  @stellar/stellar-sdk

• GitHub: https://github.com/stellar/rs-soroban-sdk
• Crate:

  soroban-sdk

• Website: https://reflector.network
• Docs: https://developers.stellar.org/docs/data/oracles/oracle-providers
• Features: SEP-40 compatible, on-chain/off-chain prices, webhooks
• Integrations: Blend, OrbitCDP, DeFindex, EquitX, Slender

• Website: https://diadata.org
• Blog: https://www.diadata.org/blog/post/soroban-stellar-oracle-dia/
• Features: VWAPIR methodology, custom feeds

• Website: https://bandprotocol.com
• Architecture: Cosmos SDK-based, cross-chain

• GitHub: https://github.com/litemint/litemint-soroban-contracts
• Contracts: Timed auctions, royalty payments
• Features: Open/sealed bids, ascending/descending price, buy-now

• Docs: https://stellar.org/use-cases/ramps
• SEPs: SEP-6, SEP-24, SEP-31 (deposits/withdrawals/cross-border)

• Docs: https://developers.stellar.org/docs/learn/fundamentals/anchors
• GitHub: https://github.com/stellar/java-stellar-anchor-sdk

• Website: https://stellar.expert
• Features: Transactions, accounts, assets, contracts

• Website: https://lab.stellar.org

• Website: https://stellarchain.io

• Docs: https://developers.stellar.org/docs/category/use-the-stellar-disbursement-platform
• GitHub: https://github.com/stellar/stellar-disbursement-platform
• Use Case: Mass payments, aid distribution, payroll

• GitHub: https://github.com/stellar/soroban-examples
• Includes: Tokens, atomic swaps, auth, events, liquidity pools, timelock, deployer, merkle distribution

• GitHub: https://github.com/stellar/soroban-example-dapp
• Learning: Full-stack Soroban development, Freighter integration

• GitHub: https://github.com/xycloo/soroban-guide
• Includes: Events, rock-paper-scissors, vaults, Dutch auctions

• GitHub: https://github.com/icolomina/soroban-contracts
• Includes: Ballot voting, investment contracts, multisig

• GitHub: https://github.com/FredericRezeau/soroban-oracle-example
• Uses: soroban-kit oracle module

• GitHub: https://github.com/jamesbachini/OZ-Stellar-NFT

• GitHub: https://github.com/axelarnetwork/axelar-amplifier-stellar
• Use Case: Cross-chain messaging, token bridging, interoperability
• Status: Active development (verify latest activity before integrating)

• Use Case: Cross-chain stablecoin transfers (USDC between Stellar, Base, Arbitrum, etc.)
• Features: Automatic Stellar account activation, liquidity pools

• Use Case: Cross-chain messaging, token bridging (OFT/ONFT), dApp interoperability
• Features: OApp standard, Omni-Chain Fungible Tokens, native issuer minting/burning control

• Website: https://stellar.org/ecosystem
• Features: Search by country, asset, category
• Includes: DeFi, wallets, anchors, on/off ramps, exchanges, infrastructure

• Website: https://communityfund.stellar.org/projects

• Website: https://communityfund.stellar.org
• Funded: 100+ projects across DeFi, NFT, GameFi, Web3

• Website: https://stellar.org/grants-and-funding/soroban-audit-bank
• Features: Pre-negotiated audit rates, readiness checklist

• Franklin Templeton: Regulated fund tokens
• Ondo: Tokenized real estate
• RedSwan: $100M commercial real estate
• Centrifuge: Yield-generating tokens
• WisdomTree: Asset-backed tokens

• USDC (Circle): Primary USD stablecoin
• EURC (Circle): EUR stablecoin
• PYUSD (PayPal): Verify current issuance and distribution details before launch planning

• PayPal: PYUSD stablecoin
• Visa: Settlement infrastructure
• Mastercard: Payment rails
• Wirex: USDC/EURC settlement
• U.S. Bank: Custom stablecoin testing
• PwC: Stablecoin exploration

• Stellar Documentation - Primary documentation
• Build Smart Contracts - Soroban guides
• Build Apps - Client application guides
• Tools & SDKs - Available tooling
• Networks - Network configuration
• Learn Fundamentals - Core concepts
• Security Best Practices

• Stellar RPC Methods - RPC API
• Horizon API - REST API (legacy-focused)
• Oracle Providers

• JavaScript SDK -

  @stellar/stellar-sdk

• Python SDK -

  stellar-sdk

• Java SDK -

  network.lightsail:stellar-sdk

  (Lightsail Network)
• Go SDK -

  txnbuild

  , Horizon & RPC clients
• Rust SDK (RPC Client)
• SDK Documentation

• Soroban Rust SDK -

  soroban-sdk

• Soroban SDK Docs - Rust docs

• Stellar CLI Repository
• CLI Installation
• CLI Commands Reference

• Scaffold Stellar - Full-stack dApp scaffolding (contracts + React/Vite/TS frontend)
• Scaffold Docs - Official documentation
• GitHub - Open source (Apache 2.0)

• Quickstart Docker
• Quickstart Guide

• OpenZeppelin Contracts
• Documentation
• Contract Wizard - Generate contracts

• Smart Account Kit - Production smart wallet SDK (recommended)
• Passkey Kit - Legacy passkey wallet SDK
• Super Peach - Smart wallet implementation example

• Stellar Wallets Kit - Multi-wallet integration
• OpenZeppelin Relayer - Fee-sponsored transactions

• Soroban Examples - Core contract patterns
• Soroban Example dApp - Crowdfunding Next.js app
• Stellar Repositories

• Scout Soroban Examples - Security-audited examples
• Soroban Guide (Xycloo) - Learning resources
• Soroban Contracts (icolomina) - Governance examples
• Oracle Example - Pub-sub oracle pattern
• OZ Stellar NFT - Simple NFT with OpenZeppelin

• Stellar Bug Bounty (Immunefi) - Up to $250K, covers core + Soroban
• OpenZeppelin Stellar Bounty (Immunefi) - Up to $25K
• HackerOne VDP - Web application vulnerabilities

• Soroban Audit Bank - $3M+ deployed, 43+ audits
• Audited Projects List - Public audit registry
• Partners: OtterSec, Veridise, Runtime Verification, CoinFabrik, QuarksLab, Coinspect, Certora, Halborn, Zellic, Code4rena

• Scout Soroban - 23 vulnerability detectors, VSCode extension
• OZ Security Detectors SDK - Custom detector framework

• Certora Sunbeam Prover - WASM-level formal verification
• CVLR Spec Language - Certora Verification Language for Rust
• Runtime Verification Komet - Soroban verification tool

• Veridise Security Checklist - Soroban-specific
• Soroban Security Portal - Community vulnerability database
• CoinFabrik Audit Reports
• Certora Security Reports - Includes Stellar verifications

• Protocol upgrades - Upgrade timeline and network context
• CAP-0074 - BN254 host functions proposal
• CAP-0075 - Poseidon/Poseidon2 host functions proposal

• Soroban SDK BN254 module - Verify availability in your pinned SDK version
• Soroban SDK Crypto - Full crypto module reference

• Noir Documentation - Aztec's ZK domain-specific language
• RISC Zero - General-purpose zkVM for Rust programs

• Soroban Examples - Official examples (includes

  groth16_verifier

  ,

  privacy-pools

  ,

  import_ark_bn254

  )

• Definitive Guide to Testing Smart Contracts - Comprehensive overview
• Fuzzing Guide - cargo-fuzz + SorobanArbitrary
• Fuzzing Example Contract
• Differential Testing - Automatic test snapshots
• Fork Testing - Test against production state
• Mutation Testing - cargo-mutants

• Stellar Quickstart
• Docker Setup

• Testnet Info
• Friendbot - Testnet faucet

• Stellar Data Overview - Choose the right tool (APIs, indexers, analytics, oracles)
• Indexer Directory - All supported indexers
• RPC Provider Directory - All RPC infrastructure providers

• StellarExpert - Network explorer & analytics
• StellarExpert API - Free REST API (no auth, CORS-enabled)
• Stellar Lab - Developer tools
• StellarChain - Alternative explorer

• Mercury - Stellar-native indexer with Retroshades + GraphQL (docs)
• SubQuery - Multi-chain indexer with Stellar/Soroban support (quick start)
• Goldsky - Real-time data replication pipelines + subgraphs (Stellar docs)
• Zephyr VM - Serverless Rust execution at ledger close

• Hubble - BigQuery dataset (updated every 30 min)
• Galexie - Data pipeline for building data lakes
• Data Lake - Powers RPC Infinite Scroll (public via AWS Open Data)

• Anchor Platform
• Anchor Docs
• Anchor Fundamentals
• Stellar Ramps

• Stellar Disbursement Platform
• SDP Documentation

• RPC Provider Directory - Full list of providers
• Quasar (Lightsail Network) - Stellar-native RPC, Archive RPC, hosted Galexie Data Lake
• Blockdaemon - Enterprise RPC
• Validation Cloud - Testnet & Mainnet
• QuickNode - Testnet, Mainnet & Dedicated
• Ankr - Testnet & Mainnet
• NOWNodes - All networks incl. Futurenet
• GetBlock - Testnet & Mainnet

• Stellar Protocol Repo
• CAPs - Core Advancement Proposals
• SEPs - Stellar Ecosystem Proposals

• SEP-0001 - stellar.toml
• SEP-0010 - Web Authentication
• SEP-0024 - Hosted Deposit/Withdrawal
• SEP-0030 - Account Recovery
• SEP-0031 - Cross-Border Payments
• SEP-0041 - Token Interface
• SEP-0045 - Web Auth for Contract Accounts (Draft)
• SEP-0046 - Contract Meta (Active)
• SEP-0048 - Contract Interface Specification (Active)
• SEP-0050 - Non-Fungible Tokens (Draft)
• SEP-0056 - Tokenized Vault Standard (Draft, ERC-4626 equivalent)

• Protocol Upgrades
• SDF Blog

• Stellar Ecosystem - Official project directory
• Stellar Community Fund Projects

• Stellar Community Fund - Grants up to $150K
• Soroban Audit Bank
• $100M Soroban Adoption Fund

• Getting Started
• Hello World Contract
• Deploy to Testnet
• TypeScript Bindings
• Passkey Prerequisites

• Stellar YouTube
• Learn Rust for Smart Contracts (DAO Series)
• Call Option Contract Walkthrough
• Blend Protocol Tutorial

• Stella AI Bot - AI assistant for Stellar developer questions
• Soroban Playground - Browser-based Soroban IDE (GitHub)

• Composability on Stellar
• Testing Smart Contracts Guide
• Sorobounty Spectacular Tutorials
• Learn Soroban 1-2-3 (Community Tools)
• SCF Infrastructure Recap
• Native vs Soroban Tokens
• 57Blocks Integration Testing

• USDC on Stellar - Circle
• EURC on Stellar - Circle
• PYUSD (PayPal) - Verify current issuer/distribution details before integration

• StellarExpert Asset Directory

• Stellar Developers Discord
• Stellar Stack Exchange
• GitHub Discussions

• Stellar Development Foundation
• Foundation Roadmap
• Ecosystem Blog