Read file contents with proper encoding. Supports partial reading by byte range or line range. Encoding options: utf-8, base64, hex. Only works within allowed directories.
AI agents call read_file to retrieve information from Claude TypeScript MCP Servers without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool purely retrieves file contents with configurable encoding and range options. It has no capability to modify, delete, execute, or move data. The restriction to 'allowed directories' is a safety boundary that further limits scope. This is a straightforward Read operation with minimal risk assuming the allowed directories are appropriately scoped.
From the tool's definition Tool name is 'read_file' and description states it 'Read file contents with proper encoding' and 'Supports partial reading by byte range or line range.' The tool retrieves data with no modification or side effects.
Documented attack patterns abuse exactly the kind of access read_file gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Claude TypeScript MCP Servers, and nothing reaches the server without passing your rules. This is the rule we recommend for read_file:
{
"version": "1",
"default": "deny",
"tools": {
"read_file": {}
}
}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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Read file contents with proper encoding. Supports partial reading by byte range or line range. Encoding options: utf-8, base64, hex. Only works within allowed directories. It is categorised as a Read tool in the Claude TypeScript MCP Servers MCP Server, which means it retrieves data without modifying state.
Register the Claude TypeScript MCP Servers 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 Claude TypeScript MCP Servers. 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 Claude TypeScript MCP Servers MCP server (ukkz/claude-ts-mcps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Claude TypeScript MCP Servers, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
84 Claude TypeScript MCP Servers tools catalogued and risk-classified — across an index of 43,000+ MCP servers.