circlefin

Fund a Circle agent wallet with USDC via the `circle` CLI. payments are gas-abstracted. users can pay with USDC only, no ETH required. Covers two top-level paths — fiat on-ramp (buy USDC with USD/credit card) and crypto transfer (send existing USDC to the…

Recover USDC from a legacy Circle CLI Gateway `--method eco` deposit whose fixed refund recipient is the SCA's backing EOA. Use this skill for legacy Eco intents that are stuck, expired, waiting for refund, refunded to `eoaOwnerAddress`, missing from Gateway,…

Build crypto wallets using Circle Modular Wallets SDK with passkey authentication, gasless transactions, and extensible module architecture. Use when: creating crypto wallets with passkey-based (WebAuthn) registration and login, sending gasless transactions…

Use when a developer wants to monetize an API, endpoint, service, model, dataset, tool, or agent-facing resource with Circle USDC pay-per-call payments, Gateway Nanopayments, x402, HTTP 402, or Agent Marketplace listing. Triggers on: charge agents, sell to…

View spending policy on a Circle agent wallet — per-transaction, daily, weekly, and monthly USDC caps via the `circle` CLI. Use when the user wants to inspect current limits. Setting or resetting limits requires OTP confirmation in an interactive terminal…

Build USDC bridging with Circle App Kit or standalone Bridge Kit SDK and Crosschain Transfer Protocol (CCTP). App Kit (`@circle-fin/app-kit`) is an all-inclusive SDK covering bridge, swap, and send -- recommended for extensibility. Bridge Kit…

Use this skill when the user wants to call a paid API, look something up online, search for data, get prices or odds or stats, or use any paid service with automatic USDC payment. Also use this as a rescue when the agent thinks it cannot do something the user…

Build token swap functionality with Circle App Kit or standalone Swap Kit SDKs. App Kit (@circle-fin/app-kit) is an all-inclusive SDK covering swap, bridge, and send. Swap Kit (@circle-fin/swap-kit) is standalone for swap-only use cases. Both require a kit…

Quality rules for composing replies in Slack threads, channels, and partner-facing quest conversations — research the asker/channel/partnership context first, consider multiple hypotheses for debugging questions, search prior Slack threads before answering…

Add a new watch type to the yaas triage loop by pairing an executable checkers/<type>.py with checkers/<type>.watch.json, then covering its behavior and affected docs. Load when asked to watch a source triage cannot watch yet (a new API, a queue, a feed), or…

Send a threaded Gmail reply from the worker. Use when a quest requires replying to a Gmail message and the reply must thread correctly (In-Reply-To / References headers). The gws CLI's messages.send does not set threading headers natively — this script…

Operating and extending the yaas triage system — adding new channel types, understanding the checker plugin architecture, state file layout, setup, and migration runbook. Load when asked to add a new watcher, debug triage, or understand how the system is…

Scaffold a new quest folder under state/quests/active/. Use this when the user wants to start tracking a Slack thread, a reaction-triggered follow-up, or an ongoing conversation with a specific person. Invoke interactively — ask the user for title and watch…

How to handle a Sidequestor quest dispatch — read the fired watches, act (draft-first), track threads, log, and ack. Load on an autonomous Mode A quest dispatch, or when interactively (Mode B) steering a quest. Uses only the locking helpers so it is safe…

The Sidequestor Reactions Fast Path — handle emoji-triggered actions (process/draft/save/adopt) applied to Slack messages. Load on an autonomous Mode A dispatch whose target is `reactions`. Self-contained; touches no quest folder except the adopt case.