What is the best alternative to CTFd?

The top-rated alternatives to CTFd in the Developer Tools category include Openapi MCP Server, Claude Task Master, Next Devtools MCP. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

How do CTFd alternatives differ in installation and runtime?

CTFd and its alternatives vary by runtime requirement (Node.js/npx, Python/uvx, Docker, or remote HTTP/SSE endpoints). Check the specification comparison table above to verify command requirements before installing.

Are alternatives to CTFd free and open source?

Most MCP servers listed on AllMCPs are open source tools under MIT or Apache licenses that you can self-host or run locally with Claude Desktop, Cursor, VS Code, or Windsurf.

How do I side-by-side compare CTFd with a specific alternative?

Click the "Compare side-by-side →" button on any alternative card to see an in-depth comparison matrix covering feature lists, stars, npm downloads, install configurations, and schema specifications.

Developer Tools• MCP Alternatives Guide

Best Alternatives to CTFd

Looking for an alternative to CTFd? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Developer Tools ecosystem, we have cataloged and compared the top alternative MCP servers below.

Browse all Developer Tools servers →View CTFd Specs →

Target Reference Server

CTFd Overview

MCP server for CTFd v3: list challenges, submit flags, and query scoreboards via AI agents.

Specification Matrix: CTFd vs Alternatives

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
C CTFd (Target)	—	Free/None	Free	—	—	Current
Openapi MCP Server	Remote (SSE)	No auth required	Free	904	—	Compare →
Claude Task Master	npx	API key	Bring your own API key (usage-based cost)	28,086	—	Compare →
Next Devtools MCP	npx	No auth required	Free	824	—	Compare →
MCP Server Docker	uvx	No auth required	Free	744	—	Compare →
Andrea9293 MCP	npx	No auth required	Free	344	—	Compare →
Docker MCP	uvx	No auth required	Free	503	—	Compare →
Exogram Authority Runtime	npx	Free/None	Free	—	—	Compare →
Qwen DAP MCP	npx	Free/None	Free	3	—	Compare →
UI5 MCP Server	npx	No auth required	Free	100	—	Compare →
Atlas	bunx	Free/None	Free	1	—	Compare →
Teamspend	npx	Free/None	Free	—	—	Compare →
MCP Graphql	npx	No auth required	Free	408	—	Compare →

Detailed Evaluation of CTFd Alternatives

Openapi MCP Server

Runtime: Remote (SSE)

Explore OpenAPI v3 specifications, summarize APIs, and inspect the endpoints needed for a task through MCP.

Key Features:

OpenAPI specification discovery

Plain-language API summaries

Operation-level endpoint details

3 0 904

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Claude Task Master

Runtime: npx

Parses PRDs into structured tasks, expands implementation steps, and manages AI development work across multiple model providers.

Key Features:

PRD parsing

Task expansion

Task dependencies

8 0 28,086

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Next Devtools MCP

Runtime: npx

Verified

Connects coding agents to running Next.js 16+ dev servers for runtime errors, routes, logs, docs, and browser automation guidance.

Key Features:

Discovers running Next.js development servers

Proxies runtime errors, routes, logs, and metadata

Resolves Server Action IDs to source files

6 0 824

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MCP Server Docker

Runtime: uvx

Manage Docker containers, images, networks, and volumes through MCP tools, prompts, and resource templates.

Key Features:

Natural-language container composition prompt

Container lifecycle management

Image build, pull, push, and removal

3 0 744

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Andrea9293 MCP

Runtime: npx

Local document storage, uploads, hybrid search, context retrieval, and optional Gemini analysis for coding agents.

Key Features:

Local Orama document and vector storage

Hybrid full-text and semantic search

Parent-child document chunking

2 0 344

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Docker MCP

Runtime: uvx

Manage Docker containers, compose stacks, logs, and status through MCP tools.

Key Features:

Create standalone containers

Deploy Docker Compose stacks

Retrieve container logs

3 0 503

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Exogram Authority Runtime

Runtime: npx

Model Context Protocol server for the Exogram Authority Runtime.

2 0

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Qwen DAP MCP

Runtime: npx

Native runtime and crash-dump debugging through a local DAP-to-MCP bridge for coding agents.

2 0 3

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UI5 MCP Server

Runtime: npx

UI5 development tools for scaffolding apps, consulting guidance, inspecting projects, and validating UI5 code.

Key Features:

UI5 application scaffolding

UI Integration Card scaffolding

UI5 API and development guidance

2 0 100

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Atlas

Runtime: bunx

Atlas is a YAML-defined semantic layer for analytics — authored by humans, consumed by AI agents.

2 0 1

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Teamspend

Runtime: npx

Compares AI coding tool spend before and after a migration via MCP tools.

2 0

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MCP Graphql

Runtime: npx

Connects MCP clients to GraphQL endpoints for schema discovery and query execution, with mutations disabled by default.

Key Features:

GraphQL schema introspection

GraphQL query execution

Schema resource exposure

3 0 408

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Best Alternatives to CTFd

CTFd Overview

Specification Matrix: CTFd vs Alternatives

Detailed Evaluation of CTFd Alternatives

Frequently Asked Questions: CTFd Alternatives