CTFd MCP Server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| CTFD_URL | No | The URL of the CTFd server (e.g. https://ctfd.example.com) | |
| CTFD_TOKEN | No | User token for authentication (not admin token) | |
| CTFD_SESSION | No | Session cookie if tokens are disabled | |
| CTFD_TIMEOUT | No | Total timeout in seconds (default: 20s) | |
| CTFD_PASSWORD | No | Your CTFd password for login authentication | |
| CTFD_USERNAME | No | Your CTFd username for login authentication | |
| CTFD_CSRF_TOKEN | No | Optional CSRF token, only if the server/plugin requires CSRF for ctfd-owl | |
| CTFD_READ_TIMEOUT | No | Read timeout in seconds (default: 15s) | |
| CTFD_CONNECT_TIMEOUT | No | Connect timeout in seconds (default: 10s) |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| list_challengesB | List visible challenges. Optional filter by category and unsolved only. |
| challenge_detailsA | Get challenge details (description, files, meta) by ID. |
| submit_flagC | Submit a flag for a challenge ID. |
| start_containerB | Unified start: detects plugin (whale/ctfd-owl/k8s) and starts container. |
| stop_containerC | Unified stop: whale requires container_id; ctfd-owl/k8s require challenge_id. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
Latest Blog Posts
- Who's Calling? MCP Hosts Are an Identity Blind Spot (And the Spec Knows It)By Om-Shree-0709 on .mcpAgent IdentityOAuth 2.1
- Your AI Chatbot Just Exposed Your CEO's Salary to an InternBy Om-Shree-0709 on .Agent IdentityMCP SecurityOAuth Delegation
- Why MCP Servers Need Execution Sandboxing (And Why Your Current Stack Isn't Enough)By Om-Shree-0709 on .Agentic AiPrompt InjectionWebAssembly
MCP directory API
We provide all the information about MCP servers via our MCP API.
curl -X GET 'https://glama.ai/api/mcp/v1/servers/umbra2728/ctfd-mcp'
If you have feedback or need assistance with the MCP directory API, please join our Discord server