ccxt_fetch_ticker_summary
Load markets and fetch tickers, then return compact long/short/liquidity rankings instead of the full ticker payload.
This record as markdown: /tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-fetch-ticker-summary.md
What ccxt_fetch_ticker_summary does on Codex CCXT MCP
AI agents call ccxt_fetch_ticker_summary 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_ticker_summary is rated Low
This tool only retrieves and returns market data (tickers and rankings). It has no side effects, does not modify data, does not execute code or commands, does not delete data, and does not involve financial transactions. It is a straightforward query operation that fits the Read category with low severity due to its read-only nature and limited blast radius if misused.
From the tool's definition Tool description states it 'Load markets and fetch tickers, then return compact long/short/liquidity rankings' — these are purely data retrieval operations with no modification, deletion, or execution of external actions.
Attacks that exploit this kind of access
The rule that runs ccxt_fetch_ticker_summary 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_ticker_summary, this is the rule to start with:
ccxt_fetch_ticker_summary 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_ticker_summary call is checked against it from then on.
Questions about ccxt_fetch_ticker_summary
Load markets and fetch tickers, then return compact long/short/liquidity rankings instead of the full ticker payload. 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_ticker_summary: 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_ticker_summary 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_ticker_summary 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_ticker_summary. 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_ticker_summary 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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