"Understanding Cursor Rules in Programming or User Interfaces" matching MCP connectors:

Hextrap MCPA

com.hextrap

Hextrap's MCP Connector protects your LLM coding sessions from installing malicious dependencies, typosquats, unpopular packages, and enforces your strict allow and deny lists. No setup means your LLM uses MCP to configure itself to use Hextrap's proxy's automatically, enforcing your firewall rules immediately. Manage your allow and deny lists right from your favorite LLM.

reachpad-mcpA

io.github.Reachpad

Coding agents build full-stack apps in persistent workspaces and share them by link.

40+ developer tools from Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML, and Microsoft Learn. Docs lookup, code execution, security scanning. Starts at $0.01/call. Get your API key at app.xpay.sh or xpay.tools

hmrA

dev.promplate

Docs for hot-module-reload and reactive programming for Python (`hmr` on PyPI)

Run Python code in a secure sandbox without local setup. Declare inline dependencies and execute s…

Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.

Execute code in 8 programming languages via gVisor-sandboxed Docker containers. Supports Python, JS, TS, Go, Java, C++, C, and Bash.

Host the tools your AI builds — small internal tools in isolated microVMs, live for your team.

Build, run, and inspect iOS apps in disposable hosted Simulators from cloud coding agents.

mcp-serverOAuth

ai.cdbx

Build Apps and run code in 30 languages — sandboxed, with persistent sessions for agent loops.

Reasoning, code, anti-deception, memory harness MCP tools. Stdio or HTTPS api.ejentum.com/mcp

Execute code in 8 languages (Python, JS, TS, Go, Java, C++, C, Bash) in gVisor sandboxes.

Hot Module Reload (HMR) for Python with reactive programming and MCP tools