sellStock
A financial tool on the Zerodha Kite MCP server.
This record as markdown: /tools/121yaseen-zerodha-mcp/sellstock.md
What sellStock does on Zerodha Kite MCP Server
AI agents use sellStock to commit financial operations through Zerodha Kite MCP Server, usually the final step of a payment, billing, or trading workflow. A call moves real money.
Why sellStock is rated Critical
Despite the empty description, the tool name 'sellStock' combined with the server context (Zerodha Kite API for buying/selling stocks) makes it highly evident this tool executes a stock sell order, which is a financial transaction. Selling stocks moves assets and commits financial obligations, placing it firmly in the Financial category with critical severity due to potential for significant monetary loss if misused.
From the tool's definition Tool name 'sellStock' on a server described as allowing users to 'buy/sell stocks'; sibling tools include 'buyStock', confirming this is a stock trading operation.
Attacks that exploit this kind of access
The rule that runs sellStock safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Zerodha Kite MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sellStock, this is the rule to start with:
Any call to sellStock is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Zerodha Kite MCP Server, apply this rule, and every sellStock call is checked against it from then on.
Questions about sellStock
sellStock is a financial tool on the Zerodha Kite MCP Server MCP server. It is categorised as a Financial tool in the Zerodha Kite MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Zerodha Kite MCP Server MCP server in PolicyLayer and add a rule for sellStock: 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 Zerodha Kite MCP Server. Nothing to install.
sellStock is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the sellStock 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 sellStock. 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.
sellStock is provided by the Zerodha Kite MCP Server MCP server (121yaseen/zerodha-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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