Solana Payments Skill — Development skill for Claude Code
Agent skill for integrating Solana SPL token payments (USDC/USDT) — wallet generation, balance checking, transfer detection, sweeping, and production best practices.
How to install Solana Payments Skill
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open sepivip/solana-payments-skill and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Solana Payments Skill does
Agent skill for integrating Solana SPL token payments (USDC/USDT) — wallet generation, balance checking, transfer detection, sweeping, and production best practices.
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README
solana-payments
An [agent skill](https://docs.anthropic.com/en/docs/agents-and-tools/claude-code/skills) for integrating Solana SPL token payments (USDC/USDT) into any payment system.
Built for AI coding agents (Claude Code, Cursor, Windsurf, Cline, Codex, etc.) that need to implement Solana payment flows.
What It Covers
| Topic | Details |
|---|---|
| Wallet Generation | Ed25519 keypairs, base58 encoding, secure storage |
| Balance Checking | ATA lookups for USDC + USDT, handling non-existent accounts |
| Transfer Detection | Signature history, parsed transactions, pre/post balance diffs |
| Sweep Logic | Master-as-fee-payer pattern (deposit wallet never needs SOL) |
| Payment Verification | 3 approaches: balance query, WebSocket, tx history parsing |
| Commitment Levels | processed vs confirmed vs finalized with use-case mapping |
| Transaction Retry | Blockhash management, priority fees, error classification |
| Security | Mint hardcoding, idempotency, token program validation |
| Production RPC | Provider comparison (Helius, QuickNode, Triton, Alchemy) |
| Indexing | Yellowstone gRPC, webhooks, when to scale beyond RPC polling |
| Devnet Testing | Circle test USDC mint, faucets, testing checklist |
Install
Claude Code
claude skill add sepivip/solana-payments-skill
Manual (any agent)
Clone into your agent's skills directory:
# Universal (.agents/skills/)
git clone https://github.com/sepivip/solana-payments-skill.git .agents/skills/solana-payments
# Claude Code
ln -s $(pwd)/.agents/skills/solana-payments .claude/skills/solana-payments
# Cursor
ln -s $(pwd)/.agents/skills/solana-payments .cursor/skills/solana-payments
Key Technical Decisions
**Why @solana/web3.js v1?** — v2 is a full API rewrite still stabilizing. v1 is battle-tested with comprehensive docs and community support.
**Why master-as-fee-payer for sweeps?** — Eliminates the SOL funding s
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