lists all company data folders found in the Tally Prime data directory. Does NOT require any company to be open. Returns folder numbers. Use open-company tool to load a company before querying it.
AI agents call list-companies to retrieve information from Tally Prime 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 and enumerates company folders from the Tally Prime data directory without modifying, creating, or deleting any data. It is a pure query operation that provides a list of available resources. The severity is low because enumerating company folders has minimal blast radius—it merely exposes what companies exist in the system without enabling further actions without separate tool invocations.
From the tool's definition Tool name 'list-companies' and description states it 'lists all company data folders' and 'Returns folder numbers'. The description explicitly states 'Does NOT require any company to be open', indicating a read-only operation with no side effects.
Attacks that exploit this kind of access
lists all company data folders found in the Tally Prime data directory. Does NOT require any company to be open. Returns folder numbers. Use open-company tool to load a company before querying it. It is categorised as a Read tool in the Tally Prime MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tally Prime MCP Server MCP server in PolicyLayer and add a rule for list-companies: 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 Tally Prime MCP Server. Nothing to install.
list-companies 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 list-companies 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 list-companies. 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.
list-companies is provided by the Tally Prime MCP Server MCP server (jina-code-systems/tally-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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