schwab_find_tradable_options
Find tradable option contracts filtered by expiration, type, and strike.
This record as markdown: /tools/open-agent-tools-open-stocks-mcp/schwab-find-tradable-options.md
What schwab_find_tradable_options does on Open Stocks MCP
AI agents call schwab_find_tradable_options to retrieve information from Open Stocks MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why schwab_find_tradable_options is rated Low
This tool queries available option contracts from Schwab based on specified filter criteria. It retrieves information about tradable instruments without creating orders, executing trades, or modifying any account state. While the server provides trading capabilities, this specific tool is limited to discovering and listing available options data, making it a Read category tool with low severity.
From the tool's definition Tool name 'schwab_find_tradable_options' and description 'Find tradable option contracts filtered by expiration, type, and strike' indicate a query/search operation that retrieves option contract data.
Attacks that exploit this kind of access
The rule that runs schwab_find_tradable_options safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Open Stocks MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For schwab_find_tradable_options, this is the rule to start with:
schwab_find_tradable_options 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 Open Stocks MCP, apply this rule, and every schwab_find_tradable_options call is checked against it from then on.
Questions about schwab_find_tradable_options
Find tradable option contracts filtered by expiration, type, and strike. It is categorised as a Read tool in the Open Stocks MCP MCP Server, which means it retrieves data without modifying state.
Register the Open Stocks MCP server in PolicyLayer and add a rule for schwab_find_tradable_options: 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 Open Stocks MCP. Nothing to install.
schwab_find_tradable_options 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 schwab_find_tradable_options 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 schwab_find_tradable_options. 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.
schwab_find_tradable_options is provided by the Open Stocks MCP server (open-agent-tools/open-stocks-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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