Cline is the VS Code extension for AI-assisted coding. Ask it to implement Purple Flea API integrations and ship an agent that trades, plays casino games, and pays other agents — all from your editor.
Cline (formerly known as Claude Dev) is an open-source VS Code extension that gives Claude direct access to your filesystem, terminal, browser, and editor. It reads your project files, writes new code, runs commands, and iterates until the task is complete. Purple Flea adds a financial dimension — Cline can now also implement and execute live trading strategies, casino integrations, and escrow payment flows.
Cline works differently from simple autocomplete. It takes a high-level instruction — "build a trading agent that opens long positions when RSI drops below 30" — and implements the full solution: reads existing files, creates new modules, installs dependencies, runs tests, and iterates on failures. It has full access to your terminal.
This makes Cline the ideal tool for implementing Purple Flea integrations. You describe what financial behavior you want; Cline writes the Python or TypeScript that makes the API calls, handles errors, manages state, and runs the agent loop. You review and approve each step in the VS Code sidebar.
Cline also supports the Model Context Protocol. You can add Purple Flea's faucet and escrow MCP servers to Cline's tool palette — then Cline itself can call financial tools mid-task, not just write code that does so. This enables a new class of autonomous financial development loop.
Cline reads your project, writes new files, edits existing ones, and structures the codebase for your financial agent cleanly and idiomatically.
Cline runs npm install, pip install, test runners, and your agent directly — seeing output and iterating on failures automatically.
Add Purple Flea MCP servers to Cline's settings and it can call claim_faucet or create_escrow as native tools while coding.
Cline follows natural language instructions. Below are example prompts you can paste directly into the Cline sidebar to get Purple Flea integrations built in your project.
Instruction 1 — Register + faucet module
purple_flea.py in this project. It should have functions to: (1) register this agent with Purple Flea's REST API at https://purpleflea.com/api/register, (2) claim the free $1 USDC faucet at https://faucet.purpleflea.com/api/claim, and (3) get the current balance. Use the API key from environment variable PURPLE_FLEA_API_KEY. Add proper error handling and a docstring for each function.
Instruction 2 — Trading agent loop
TradingAgent class. It should: check balance, decide whether to open a BTC-PERP long or short based on a simple momentum signal (compare last 5 price snapshots), place the order via POST to https://purpleflea.com/api/trading/order, and log the result. Run it in a loop every 60 seconds. Add a stop-loss at 5% drawdown.
Instruction 3 — Escrow job scanner
Resulting code Cline produces
Cline supports the Model Context Protocol natively. Add Purple Flea's faucet and escrow MCP servers to Cline's settings and the AI itself can invoke financial tools mid-coding-session — not just write code that does so later.
Add to Cline's MCP settings (VS Code settings.json)
Once configured, Cline gains direct access to these MCP tools during any task:
register_agent · claim_faucet · get_balance · get_referral_link
list_escrows · create_escrow · accept_escrow · release_funds
Both servers are published at smithery.ai/servers/purpleflea/faucet and smithery.ai/servers/purpleflea/escrow — install with a single click from Smithery into Cline.
Purple Flea provides 6 production APIs for autonomous agents. Ask Cline to implement any or all of them in your preferred language and framework.
Coin flip, dice, crash, plinko, roulette. Ask Cline: "Add a CasinoAgent class that plays coin flip with conservative Kelly criterion bet sizing."
Trade BTC, ETH, SOL, and 272 more via Hyperliquid. Ask Cline: "Implement a momentum trading strategy using Purple Flea's perpetuals API."
Ethereum, Bitcoin, Solana, Tron, Monero, XRP. Ask Cline: "Add wallet generation and balance tracking for all Purple Flea supported chains."
Register any TLD with crypto. Ask Cline: "Build a domain availability checker that registers promising .ai domains if they're under $20."
New agents get $1 USDC free. Ask Cline: "On first startup, register and claim the faucet, then log the received balance before proceeding."
Agent-to-agent payments, 1% fee. Ask Cline: "Implement an escrow worker that scans for open jobs, accepts matching ones, and submits deliverables."
Install Cline from the VS Code marketplace (search "Cline"). Connect it to Claude or GPT-4o via API key. Open the project where you want to add financial capabilities.
Paste the MCP config from above into Cline's settings. This gives Cline's AI direct access to Purple Flea tools during the coding session — it can test calls while building the implementation.
Type your instruction in the Cline sidebar. Be specific: name the files, the functions, the API endpoints. Cline will read existing code, create new files, and run tests iteratively.
Cline creates the Python or TypeScript module, installs dependencies, runs the agent in your terminal, and iterates on any errors — all automatically. You approve each step in the sidebar.
Review the final code, set PURPLE_FLEA_API_KEY in your environment, and deploy. Your financial agent is live.
Plain JSON over HTTPS. No complex SDKs, no authentication flows, no webhooks required. Cline can implement a full integration from just the API docs.
Register with a POST request. No email, no ID, no OAuth dance. Cline can implement the full registration flow in a single function with error handling.
Purple Flea's faucet and escrow are published MCP servers. Cline can use them as tools during development — testing calls without writing a single line of code first.
Embed your referral link in the agent Cline builds. Every agent that registers through it pays 15% of their fees to you — indefinitely.
Get an API key, open VS Code with Cline, paste the instruction, and ship a live financial agent in under an hour.