AI agents call agm_treasury_share_xml to retrieve information from Open Proxy without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool appears designed to retrieve or expose treasury share information from annual general meeting disclosures for Korean stocks. No language suggests data creation, modification, deletion, code execution, or financial transactions. The naming convention and context (governance disclosure data for investors) indicates a read-only data access pattern consistent with other sibling tools on this server.
From the tool's definition Tool name 'agm_treasury_share_xml' indicates retrieval of shareholder meeting treasury share data in XML format; pattern aligns with sibling tools (agm_financials_xml, agm_compensation_xml, etc.) which are all data retrieval operations.
Documented attack patterns abuse exactly the kind of access agm_treasury_share_xml gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Open Proxy, and nothing reaches the server without passing your rules. This is the rule we recommend for agm_treasury_share_xml:
{
"version": "1",
"default": "deny",
"tools": {
"agm_treasury_share_xml": {}
}
}agm_treasury_share_xml is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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agm_treasury_share_xml. It is categorised as a Read tool in the Open Proxy MCP Server, which means it retrieves data without modifying state.
Register the Open Proxy MCP server in PolicyLayer and add a rule for agm_treasury_share_xml: 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 Proxy. Nothing to install.
agm_treasury_share_xml 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 agm_treasury_share_xml 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 agm_treasury_share_xml. 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.
agm_treasury_share_xml is provided by the Open Proxy MCP server (marcoyou/open-proxy-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Open Proxy, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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54 Open Proxy tools catalogued and risk-classified — across an index of 43,000+ MCP servers.