safe_header_info

Safely get header information without raising errors.

SERVERMcp Test Servers SOURCEmsfeldstein/mcp-test-servers

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/mcp-test-servers/safe-header-info.md

WHAT IT DOES

What safe_header_info does on Mcp Test Servers

AI agents call safe_header_info to retrieve information from Mcp Test Servers without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why safe_header_info is rated Low

This tool retrieves or queries header information with no side effects. The emphasis on 'safely' and 'without raising errors' suggests it performs defensive data retrieval only. No modification, execution, deletion, or financial operations are implied. This is a typical Read category operation.

From the tool's definition Tool name 'safe_header_info' and description 'Safely get header information without raising errors' indicate a read-only operation that retrieves header information.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs safe_header_info safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Test Servers, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For safe_header_info, this is the rule to start with:

safe_header_info Allowed

safe_header_info 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": {
    "safe_header_info": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Test Servers, apply this rule, and every safe_header_info call is checked against it from then on.

FAQ

Questions about safe_header_info

What does the safe_header_info tool do? +

Safely get header information without raising errors. It is categorised as a Read tool in the Mcp Test Servers MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on safe_header_info? +

Register the Mcp Test Servers MCP server in PolicyLayer and add a rule for safe_header_info: 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 Mcp Test Servers. Nothing to install.

What risk level is safe_header_info? +

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

Can I rate-limit safe_header_info? +

Yes. Add a rate_limit block to the safe_header_info 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 safe_header_info completely? +

Set action: deny in the PolicyLayer policy for safe_header_info. 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 safe_header_info? +

safe_header_info is provided by the Mcp Test Servers MCP server (msfeldstein/mcp-test-servers). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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