Fetch OHLCV candles from Binance public API and write a backtest-ready
AI agents call fetch_binance_ohlcv to retrieve information from PineForge-Codegen without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves time-series candlestick data from Binance's public API for backtesting purposes. It is a read-only operation that queries external data without modifying, creating, deleting, executing code, or moving money. The data fetched is publicly available historical OHLCV (Open, High, Low, Close, Volume) information used for strategy validation.
From the tool's definition Tool name contains 'fetch' and description states 'Fetch OHLCV candles from Binance public API'. It retrieves historical market data from a public source with no side effects.
Attacks that exploit this kind of access
Fetch OHLCV candles from Binance public API and write a backtest-ready. It is categorised as a Read tool in the PineForge-Codegen MCP Server, which means it retrieves data without modifying state.
Register the PineForge-Codegen MCP server in PolicyLayer and add a rule for fetch_binance_ohlcv: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches PineForge-Codegen. Nothing to install.
fetch_binance_ohlcv is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the fetch_binance_ohlcv rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for fetch_binance_ohlcv. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
fetch_binance_ohlcv is provided by the PineForge-Codegen MCP server (oci:ghcr.io/pineforge-4pass/pineforge-codegen-mcp:v0.9.2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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