ccxt_create_limit_order
Call exchange.createLimitOrder(symbol, side, amount, price, params), subject to the trading gate.
This record as markdown: /tools/io-github-lucyfox199818-collab-ccxt-mcp/ccxt-create-limit-order.md
What ccxt_create_limit_order does on Codex CCXT MCP
AI agents use ccxt_create_limit_order to create or update resources in Codex CCXT MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Codex CCXT MCP environment.
Why ccxt_create_limit_order is rated Medium
An AI agent can call ccxt_create_limit_order faster than any human can review: one bad instruction and it creates or modifies resources in Codex CCXT MCP by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs ccxt_create_limit_order 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_create_limit_order, this is the rule to start with:
ccxt_create_limit_order stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. 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_create_limit_order call is checked against it from then on.
Questions about ccxt_create_limit_order
Call exchange.createLimitOrder(symbol, side, amount, price, params), subject to the trading gate. It is categorised as a Write tool in the Codex CCXT MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Codex CCXT MCP server in PolicyLayer and add a rule for ccxt_create_limit_order: 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_create_limit_order is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the ccxt_create_limit_order 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_create_limit_order. 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_create_limit_order 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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