get_ctf_calendar

Retrieve CTF events calendar for a specific month.

SERVERCTFtime MCP Server SOURCE0x-professor/ctf-time-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade A, identity unverified Pull the record →

This record as markdown: /tools/0x-professor-ctf-time-mcp/get-ctf-calendar.md

WHAT IT DOES

What get_ctf_calendar does on CTFtime MCP Server

AI agents call get_ctf_calendar to retrieve information from CTFtime MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_ctf_calendar is rated Low

This tool retrieves information about CTF events for a specific month from CTFtime.org. It performs a data lookup operation with no side effects—it does not create, modify, delete, execute code, or commit financial obligations. The verb 'Retrieve' explicitly indicates a read operation. The entire server is informational in nature, providing access to historical and upcoming competition data.

From the tool's definition Tool name 'get_ctf_calendar' and description 'Retrieve CTF events calendar for a specific month' indicate a read-only operation that queries and returns calendar data without modification, deletion, or execution of code.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_ctf_calendar safely

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

get_ctf_calendar Allowed

get_ctf_calendar 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": {
    "get_ctf_calendar": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect CTFtime MCP Server, apply this rule, and every get_ctf_calendar call is checked against it from then on.

FAQ

Questions about get_ctf_calendar

What does the get_ctf_calendar tool do? +

Retrieve CTF events calendar for a specific month. It is categorised as a Read tool in the CTFtime MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_ctf_calendar? +

Register the CTFtime MCP Server MCP server in PolicyLayer and add a rule for get_ctf_calendar: 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 CTFtime MCP Server. Nothing to install.

What risk level is get_ctf_calendar? +

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

Can I rate-limit get_ctf_calendar? +

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

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

get_ctf_calendar is provided by the CTFtime MCP Server MCP server (0x-professor/ctf-time-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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