# Portir > US stocks on BNB Chain, bought at a fair price. Plans, Loan Guard and an agent on BNB Agent Studio. - [Portir Docs](https://docs.portir.xyz/index.md): US stocks on BNB Chain, bought at a fair price. Start here. - [Introduction](https://docs.portir.xyz/get-started/introduction.md): What Portir is, the problem it solves, and who it is for. - [How it works](https://docs.portir.xyz/get-started/how-it-works.md): The path from a tap on Buy (or a due plan) to a recorded transaction. - [FAQ](https://docs.portir.xyz/get-started/faq.md): Short answers to the questions people ask first. - [Quickstart for investors](https://docs.portir.xyz/get-started/quickstart-users.md): Your first guarded buy and your first plan, on testnet, in five minutes. - [Quickstart for developers](https://docs.portir.xyz/get-started/quickstart-developers.md): Plug Portir into Claude or your own agent in one command, through MCP. - [Supported chains and assets](https://docs.portir.xyz/resources/supported-assets.md): Where Portir runs and what you can buy, pay with and borrow against. - [Contract addresses](https://docs.portir.xyz/resources/contract-addresses.md): Every Portir contract, verified on BscScan, plus the external contracts it talks to. - [Fees](https://docs.portir.xyz/resources/fees.md): Portir charges nothing. Here is everything you do pay, and to whom. - [Roadmap](https://docs.portir.xyz/resources/roadmap.md): What is live, what is next, and what comes after. - [Changelog](https://docs.portir.xyz/resources/changelog.md): Notable changes, newest first. - [Brand and links](https://docs.portir.xyz/resources/brand-and-links.md): Logos, colors and every official Portir link. - [The Guard](https://docs.portir.xyz/learn/the-guard.md): Four checks before every order, and how GO, WARN and BLOCK are decided. - [Plans](https://docs.portir.xyz/learn/plans.md): Recurring buys and one-time 'buy when fair' orders that the agent runs from PlanRegistry. - [Baskets](https://docs.portir.xyz/learn/baskets.md): Four curated baskets bought as one guarded swap per holding, at fixed weights. - [Sell rules](https://docs.portir.xyz/learn/sell-rules.md): Take-profit and stop-loss orders the agent executes when the real price crosses your trigger. - [Loan Guard](https://docs.portir.xyz/learn/loan-guard.md): Borrow USDT against your stocks on Venus, with an automatic, capped rescue before liquidation. - [The agent](https://docs.portir.xyz/learn/the-agent.md): The Portir agent on BNB Agent Studio: what it automates, its three faces, and its two brains. - [News check](https://docs.portir.xyz/learn/news-check.md): An LLM reads recent headlines before every buy, and may only hold the buy back. - [Testnet and mainnet](https://docs.portir.xyz/learn/testnet-and-mainnet.md): What runs where today, and what testnet mode actually simulates. - [Access points](https://docs.portir.xyz/learn/access-points.md): Every way to reach Portir: the app, MCP, x402, A2A and Telegram. - [Security model](https://docs.portir.xyz/learn/security-model.md): Who can do what, where your money sits, and what a leaked key can and cannot do. - [Risks](https://docs.portir.xyz/learn/risks.md): What can go wrong, and what Portir does about each risk. - [Audits](https://docs.portir.xyz/learn/audits.md): Security reviews of the Portir contracts and agent, newest first. - [KYC and eligibility](https://docs.portir.xyz/learn/kyc-and-eligibility.md): Portir does not collect identity data. Here is who does apply rules, and where. - [Disclaimer](https://docs.portir.xyz/learn/disclaimer.md): Portir is software, not financial advice. - [Glossary](https://docs.portir.xyz/learn/glossary.md): Terms used across Portir. - [Connect a wallet](https://docs.portir.xyz/guides/connect-wallet.md): Use any browser wallet on BNB Chain. No account, no sign-up. - [Switch between testnet and mainnet](https://docs.portir.xyz/guides/switch-mode.md): Try everything with free test money first. - [Buy a stock](https://docs.portir.xyz/guides/buy-a-stock.md): A guarded one-tap buy, signed by your wallet. - [Create a plan](https://docs.portir.xyz/guides/create-a-plan.md): Set a recurring investment that the agent runs only when the price is fair. - [Buy when it's fair](https://docs.portir.xyz/guides/buy-when-fair.md): Leave a one-time order that the agent fills the moment the price clears. - [Set a sell rule](https://docs.portir.xyz/guides/set-a-sell-rule.md): Take profit or stop a loss automatically. - [Portfolio](https://docs.portir.xyz/guides/portfolio.md): Live balances, history and dividends. - [Borrow with Loan Guard](https://docs.portir.xyz/guides/borrow-with-loan-guard.md): Buy, supply, borrow and protect in one batch. - [Ask the agent](https://docs.portir.xyz/guides/ask-the-agent.md): Chat with the Portir agent in the app, or bring your own Claude. - [Telegram reports](https://docs.portir.xyz/guides/telegram-reports.md): Get a message for every run and every rescue. - [Run your own agent](https://docs.portir.xyz/guides/run-your-own-agent.md): Keep every key yourself: your Claude schedules, Portir checks, your Agentic Wallet trades. - [Troubleshooting](https://docs.portir.xyz/guides/troubleshooting.md): Common problems and their fixes. - [Architecture](https://docs.portir.xyz/developers/architecture.md): How the app, the agent, the Guard and the contracts fit together. - [MCP server](https://docs.portir.xyz/developers/mcp-server.md): Twelve read-only tools for Claude or any MCP client at agent.portir.xyz/mcp. - [x402 and A2A](https://docs.portir.xyz/developers/x402-and-a2a.md): Talk to the Portir agent over HTTP or as another agent. - [PlanRegistry](https://docs.portir.xyz/developers/plan-registry.md): Plans, sell rules, capped funding pulls and run history. UUPS upgradeable. - [LoanGuard](https://docs.portir.xyz/developers/loan-guard-contract.md): Capped, on-chain-checked repayments of Venus loans from the borrower's own wallet. - [Testnet fixtures](https://docs.portir.xyz/developers/testnet-fixtures.md): Test doubles that make BSC testnet behave like mainnet: tUSDT, TestExchange, MockStocks, StockLendingPool. - [The executor](https://docs.portir.xyz/developers/executor.md): How the agent runs plans, sell rules and Loan Guard, step by step. ## Optional - [App](https://app.portir.xyz) - [Website](https://portir.xyz) - [Agent card](https://agent.portir.xyz/.well-known/agent-card.json) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.