Get quarterly income statements for all listed companies (general industry)
AI agents call getIncomeStatement to retrieve information from TWSE MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical financial reporting data (income statements) from the Taiwan Stock Exchange. It performs a read-only query operation with no side effects, no ability to modify data, and no capability to execute trades or financial transactions. The data accessed is public market information already disclosed by listed companies.
From the tool's definition Tool name 'getIncomeStatement' and description 'Get quarterly income statements for all listed companies' indicate data retrieval only. No modification, deletion, execution, or financial transaction capabilities are present.
Attacks that exploit this kind of access
Get quarterly income statements for all listed companies (general industry). It is categorised as a Read tool in the TWSE MCP Server MCP Server, which means it retrieves data without modifying state.
Register the TWSE MCP Server MCP server in PolicyLayer and add a rule for getIncomeStatement: 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 TWSE MCP Server. Nothing to install.
getIncomeStatement 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 getIncomeStatement 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 getIncomeStatement. 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.
getIncomeStatement is provided by the TWSE MCP Server MCP server (pyang2045/twsemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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