watchlist_by_name

Gets contents of a specific watchlist by name.

SERVEROpen Stocks MCP SOURCEopen-agent-tools/open-stocks-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/open-agent-tools-open-stocks-mcp/watchlist-by-name.md

WHAT IT DOES

What watchlist_by_name does on Open Stocks MCP

AI agents call watchlist_by_name 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.

RISK

Why watchlist_by_name is rated Low

This tool retrieves watchlist data (a list of securities) without altering, executing, or moving any assets. It has read-only semantics and minimal blast radius if misused by an AI agent—it can only expose existing user watchlist information, not create financial transactions or cause irreversible changes.

From the tool's definition Tool description states "Gets contents of a specific watchlist by name" — a read-only retrieval operation with no modification, deletion, or execution capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs watchlist_by_name 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 watchlist_by_name, this is the rule to start with:

watchlist_by_name Allowed

watchlist_by_name is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "watchlist_by_name": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Open Stocks MCP, apply this rule, and every watchlist_by_name call is checked against it from then on.

FAQ

Questions about watchlist_by_name

What does the watchlist_by_name tool do? +

Gets contents of a specific watchlist by name. It is categorised as a Read tool in the Open Stocks MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on watchlist_by_name? +

Register the Open Stocks MCP server in PolicyLayer and add a rule for watchlist_by_name: 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.

What risk level is watchlist_by_name? +

watchlist_by_name is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit watchlist_by_name? +

Yes. Add a rate_limit block to the watchlist_by_name 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.

How do I block watchlist_by_name completely? +

Set action: deny in the PolicyLayer policy for watchlist_by_name. 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.

What MCP server provides watchlist_by_name? +

watchlist_by_name 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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