ccxt_fetch_balance
Call exchange.fetchBalance(params). Requires valid API credentials.
This record as markdown: /tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-fetch-balance.md
What ccxt_fetch_balance does on Codex CCXT MCP
AI agents call ccxt_fetch_balance to retrieve information from Codex CCXT MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why ccxt_fetch_balance is rated Low
This tool queries and retrieves financial account balance data without modifying, executing, or spending any funds. It is a read-only operation that returns current balance information. While it operates in a financial context, no money moves and no obligations are created—it simply retrieves existing data. The tool requires API credentials but poses minimal risk as a standalone read operation.
From the tool's definition ccxt_fetch_balance - fetches account balance data via exchange.fetchBalance(params); no state modification, purely retrieves account information
Attacks that exploit this kind of access
The rule that runs ccxt_fetch_balance safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Codex CCXT MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ccxt_fetch_balance, this is the rule to start with:
ccxt_fetch_balance is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Codex CCXT MCP, apply this rule, and every ccxt_fetch_balance call is checked against it from then on.
Questions about ccxt_fetch_balance
Call exchange.fetchBalance(params). Requires valid API credentials. It is categorised as a Read tool in the Codex CCXT MCP MCP Server, which means it retrieves data without modifying state.
Register the Codex CCXT MCP server in PolicyLayer and add a rule for ccxt_fetch_balance: 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 Codex CCXT MCP. Nothing to install.
ccxt_fetch_balance 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 ccxt_fetch_balance 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 ccxt_fetch_balance. 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.
ccxt_fetch_balance is provided by the Codex CCXT MCP server (oci:ghcr.io/lucyfox199818-collab/ccxt-mcp:0.1.0). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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