Finance & Commerce Agent Skills for DeepSeek Harness

Create and configure A2A Agent Cards — the discovery document describing an agent's capabilities, skills, authentication, and endpoint.

Build an A2A client — the agent-side code that discovers other agents, sends tasks, handles responses, and manages multi-turn conversations.

Implement A2A messages and parts — TextPart, FilePart, DataPart, message roles, metadata, and content negotiation.

Implement A2A multi-turn conversations — input-required state handling, context preservation, iterative refinement, and human-in-the-loop…

Connects Claude to the A2H Market for autonomous AI-to-AI service trading, negotiation, and payment management.

Implement WCAG 2.2 accessibility patterns in Shopify Liquid themes.

Implement ACP affiliate attribution — privacy-preserving affiliate tracking without cookies using token-based first-touch and last-touch…

Implement the ACP REST checkout API — create, update, retrieve, complete, and cancel checkout sessions.

Cross-cutting ACP development patterns — idempotency, error handling, 3D Secure flows, request signing, rate limiting, monitoring, and…

Expert payment integration specialist mastering payment gateway integration, PCI compliance, and financial transaction processing.

Core knowledge for using admin-mcp tools: brand codes, URL-to-identifier resolution, identifier format rules, staging-only guardrail, and…

Build and scale affiliate marketing programs for e-commerce stores.

Manage crypto wallets (Ethereum, Solana, Polygon, Arbitrum, Base) via agent-wallet-cli.

Crypto wallet operations via the awal CLI — sign in, check balances, send USDC/ETH/POL/SOL, trade tokens, fund the wallet, and use the…

Buy things from real websites on behalf of your human.

Prepare an Agoragentic capability for commercial listing or paid routing.

Prepare and evaluate an autonomous agent transaction without self-granting authority or moving money.

Automate Alchemy tasks via Rube MCP (Composio).

Implement Algolia reference architecture: index design, multi-index

Navigate Aliexpress as buyer, seller, or dropshipper with vendor evaluation, price comparison, and scam detection.

Brand Tailored Promotions — audience targeting, discount tiers, customer segmentation, repeat purchase incentives