read_file
AI agents call read_file to retrieve information from Tacc Mcp Bio without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool reads and retrieves file data from an HPC system without side effects. However, on an HPC cluster managing bioinformatics pipelines, accessed files may contain sensitive research data, credentials, or intermediate results from running jobs, elevating severity from low to medium due to potential information disclosure impact, even though the operation itself is non-destructive.
From the tool's definition Tool name 'read_file' indicates retrieval of file contents with no modification. Sibling tools include 'fetch_file', 'fetch_results', 'grep_file', and 'check_outputs', all read-only operations on HPC cluster data.
Attacks that exploit this kind of access
read_file. It is categorised as a Read tool in the Tacc Mcp Bio MCP Server, which means it retrieves data without modifying state.
Register the Tacc Mcp Bio MCP server in PolicyLayer and add a rule for 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 Tacc Mcp Bio. Nothing to install.
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 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 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.
read_file is provided by the Tacc Mcp Bio MCP server (narasimhan-lab/tacc-mcp-bio). 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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