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io.github.ricardo-hdrn/mcp-await

Official

by ricardo-hdrn · Rust

Condition watcher for AI assistants — wait for ports, files, URLs, processes, and more

Condition watcher MCP server for AI assistants — wait for ports, files, URLs, processes, and more. This MCP server + CLI optimizes waiting patterns by blocking until a condition is met, instead of polling with sleep loops and repeated API calls. Integrates with AI CLI assistants (Claude Code, Codex, Cursor, etc.) to synchronize readiness.

🛠️ Key Features

  • MCP server and CLI for condition-based waits
  • Supports ports, files, URLs, processes, and additional conditions
  • Reduces API round-trips by blocking until condition is satisfied
  • Works with AI CLI assistants for streamlined workflows

🚀 Use Cases

  • Waiting for a service port to become available before proceeding
  • Ensuring a file or resource exists prior to execution
  • Synchronizing multi-step AI workflows with readiness checks

⚡ Developer Benefits

  • Clear MCP server interface for condition watching
  • Lightweight, purpose-built for AI assistant integrations
  • Reusable component to replace polling logic in scripts

⚠️ Limitations

  • Details on supported condition types may evolve; refer to repository for updates
  • Readme excerpt focuses on general usage; deeper configuration may be required for advanced scenarios