AI agents call tool_read_file to retrieve information from UltimateCoder without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the empty description, the explicit name 'tool_read_file' unambiguously indicates this tool reads/retrieves file content without modification. This is a non-destructive, side-effect-free read operation. Severity is low because reading files has minimal blast radius—the worst outcome is information disclosure, which is less severe than code execution, data deletion, or financial impact.
From the tool's definition Tool name is 'tool_read_file', which indicates retrieval of file content. The server description mentions 'Automate file handling' and the sibling tools (tool_get_file_info, tool_list_files, tool_diff_files) are clearly read-only operations, contextually…
Documented attack patterns abuse exactly the kind of access tool_read_file gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and UltimateCoder, and nothing reaches the server without passing your rules. This is the rule we recommend for tool_read_file:
{
"version": "1",
"default": "deny",
"tools": {
"tool_read_file": {}
}
}tool_read_file is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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tool_read_file. It is categorised as a Read tool in the UltimateCoder MCP Server, which means it retrieves data without modifying state.
Register the UltimateCoder MCP server in PolicyLayer and add a rule for tool_read_file: 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 UltimateCoder. Nothing to install.
tool_read_file 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 tool_read_file 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 tool_read_file. 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.
tool_read_file is provided by the UltimateCoder MCP server (m-ahmed-elbeskeri/ultimatecodermcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from UltimateCoder, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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23 UltimateCoder tools catalogued and risk-classified — across an index of 43,000+ MCP servers.