Bir fonun güncel fiyat ve günlük getiri bilgisini döner.
AI agents call get_fon_fiyat to retrieve information from Fonlar without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves fund price and performance data from TEFAS. It performs a read-only operation with no side effects—it does not modify, delete, or execute code. While it returns financial data, it does not move money, create financial obligations, or trigger transactions. The blast radius of misuse is minimal; an agent could only retrieve unwanted financial information.
From the tool's definition Tool name 'get_fon_fiyat' and description 'Bir fonun güncel fiyat ve günlük getiri bilgisini döner' (returns current price and daily return information for a fund) indicate retrieval of financial data without modification, deletion, or execution of arbitrary…
Documented attack patterns abuse exactly the kind of access get_fon_fiyat gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Fonlar, and nothing reaches the server without passing your rules. This is the rule we recommend for get_fon_fiyat:
{
"version": "1",
"default": "deny",
"tools": {
"get_fon_fiyat": {}
}
}get_fon_fiyat is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Bir fonun güncel fiyat ve günlük getiri bilgisini döner. It is categorised as a Read tool in the Fonlar MCP Server, which means it retrieves data without modifying state.
Register the Fonlar MCP server in PolicyLayer and add a rule for get_fon_fiyat: 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 Fonlar. Nothing to install.
get_fon_fiyat 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 get_fon_fiyat 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 get_fon_fiyat. 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.
get_fon_fiyat is provided by the Fonlar MCP server (maku-cpu/fonlar-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Fonlar, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
6 Fonlar tools catalogued and risk-classified — across an index of 43,000+ MCP servers.