Free tools or resources that do not require an API MCP Connectors

ShipSwift A

40+ production-ready SwiftUI recipes for building full-stack iOS apps via MCP.

Developer Tools Software Architecture

322,868

Flowgraf A

Create and edit architecture diagrams from your AI agent; get an SVG and a live editable canvas.

Software Architecture Design Tools

32

CodePic A

AI agent draws editable hand-drawn diagrams (flowchart, ER, architecture) via MCP, not static images

Software Architecture Design Tools

62

design-engine B

AI data-center design engine: size, validate & lay out Rubin-era data centers. Korea live.

Networking & Infrastructure Cloud Platforms Software Architecture

72

Zephex A

MCP gateway with 10 tools for code analysis, architecture, package audit & security.

Code Analysis Software Architecture Security

102

Canvs A

AI-powered diagrams, mind maps, flowcharts on a free unlimited collaborative whiteboard

Software Architecture Developer Tools App Automation

62

UIZZE A

STOP UI SLOP. Free UI check; unlock 800,000+ real screens, design contracts and finish gates.

Design Tools Software Architecture

21

Arketo

Draw your app's architecture on a live canvas and flag the bottlenecks and security gaps.

Software Architecture Observability Security

1

ChiR24-unreal_mcp_serverOAuth

A comprehensive Model Context Protocol (MCP) server that enables AI assistants to control Unreal E…

Developer Tools App Automation Software Architecture

2819

DIS — Singular Intelligence Domain

Compile full-stack apps from one architecture spec, with a shared Memory Fabric.

Software Architecture Coding Agents Knowledge & Memory

1

SoftwareForge

AI-native Day 0 modernization platform for PRDs, architecture, work orders, and code transformation.

Software Architecture Developer Tools Code Analysis

2

componecat

A hierarchical registry of your systems, services, and libraries.

Developer Tools Documentation Access Software Architecture

2

AI Diagram Maker MCP Server A

MCP server for AI Diagram Maker — generate software engineering diagrams from natural language, code, ASCII diagram, images, or Mermaid. Inline diagram rendering using MCP apps UI and diagram URL in responses. Works with Cursor, Claude Desktop, Claude Code, and any MCP-compatible AI.

Software Architecture Developer Tools App Automation

52

endiagram-mcp A

EN Diagram — structural verification for concurrent systems. Pure math, no AI.

Software Architecture Design Tools Developer Tools

28

DiagramZu

Let Claude, Cursor, or ChatGPT author Mermaid diagrams your team can read and share.

Software Architecture Developer Tools

21

eraser

Generate, edit, and manage Eraser diagrams and docs with AI.