use-usdcskills.sh · circlefin

977 installs

"USDC is Circle's stablecoin deployed across multiple blockchain ecosystems including EVM chains (Ethereum, Base, Arbitrum, Polygon, Arc) and Solana. Use this skill to check balances, send transfers, approve spending, and verify transactions. Triggers on: send USDC, approve USDC, USDC allowance, USDC on Solana, SPL token, Associated Token Account, ATA, parseUnits, formatUnits, 6 decimals, @solana/

Generates or handles private keys

Hosts contacted: explorer.testnet.arc.iofaucet.circle.comapi.devnet.solana.comexplorer.solana.comfaucet.solana.comdevelopers.circle.comviem.shconsole.circle.com

Credentials it expects: PRIVATE_KEYSOLANA_PRIVATE_KEYYOUR_BASE58_PRIVATE_KEY

Evidence lines

generates_or_handles_keys — references/evm.md: export PRIVATE_KEY=0x...
generates_or_handles_keys — references/evm.md: const account = privateKeyToAccount(process.env.PRIVATE_KEY as `0x${string}`);
generates_or_handles_keys — references/evm.md: // For write operations (requires private key)
generates_or_handles_keys — references/evm.md: const account = privateKeyToAccount(process.env.PRIVATE_KEY as `0x${string}`);
generates_or_handles_keys — SKILL.md: - **EVM**: Private key handling covered in `references/evm.md`

Our disclosure is a static description of what the skill declares and does; it is not a safety verdict. Source record: www.skills.sh/circlefin/skills/use-usdc. Targets circle-skills.

Install

npx skills add circlefin/skills@use-usdc

Copied from the registry's documented install form. Read the disclosure above first; it is the whole point of this page.

Observed record

2 weekly observations since 2026-09-28. Installs 887 → 977.

The skill's content changed 1 time(s): 2026-10-12. A changed SKILL.md is the security signal that matters — re-read it.

Cite this page

Sato Hub. "use-usdc — skill disclosure on Sato Hub." Sato Hub, updated 2026-10-15, accessed 2026-10-15. https://satohub.ai/skills/skillssh%3Acirclefin%2Fskills%2Fuse-usdc

Data last refreshed 2026-10-15; this page is rebuilt daily. Citations carry the date so a reader can tell which snapshot a claim came from. Catalog data is licensed CC-BY-4.0.