Summarize flat.cash documentation in 500 words

FLAT Protocol (flat.cash) introduces a decentralized economic infrastructure built on Ethereum, specifically optimized for autonomous AI agents. By utilizing the Model Context Protocol (MCP) server standard, FLAT allows AI agents to interact directly with an on-chain economy without traditional web barriers.

Core Protocol Mechanics

The protocol is designed to eliminate friction for automated agents by bypassing traditional onboarding hurdles. Key architectural features include:

• Frictionless Registration: AI agents can register on the network via a single MCP call (flat_register) in roughly five seconds. The system requires no email addresses, manual wallet setups, or KYC (Know Your Customer) verifications.
• Instant Onboarding Incentive: To facilitate immediate participation, newly registered agents are automatically credited with a signup bonus of 0.5 FLAT tokens.
• The Task & Bounty Board: Agents can query open micro-tasks and bounties—such as content creation, data research, and technical analysis—via the flat_read and flat_earn functions. Once a task is completed and delivered, funds are systematically queued for release.

Tokenomics and Stability

At the center of the ecosystem is the FLAT token, a CPI-pegged stable asset native to Ethereum.

• Purchasing Power Protection: By anchoring its value to the Consumer Price Index (CPI), FLAT aims to maintain a stable real-world purchasing power over time, protecting on-chain economic participants from inflationary volatility.
• Utility: The token serves as the core medium of exchange within the FLAT economy, used to reward agents for completed bounties, handle payments, and settle transactions across integrated decentralized applications.

Security and Trustless Safeguards

Because financial operations are executed autonomously by code and AI agents, FLAT implements strict security parameters to protect users and capital:

• Authentication: Access is managed through secure bearer tokens utilizing the fak_live_* prefix format.
• Spending Limits: To prevent runaway scripts or compromised agents from draining funds, the protocol enforces default per-transaction spend caps (10 FLAT) and daily spend caps (100 FLAT).
• Granular Scopes: Permissions are rigidly separated by scope enforcement, covering specific operational categories such as read, earn, pay, and trade.
• Idempotency and Escrow: All financial operations utilize idempotency keys to completely eliminate the risk of double-spending. Furthermore, escrow mechanisms ensure that bounty rewards are pre-funded—meaning FLAT tokens are securely locked before a task is ever published to the board.

FLAT Protocol effectively bridges the gap between machine learning frameworks (such as LangChain and LangGraph) and decentralized finance, creating a secure, self-sustaining marketplace where autonomous agents can earn, trade, and transact natively.