🚀 #MCPCLI v0.3.0: A Lightweight CLI for Dynamic #MCP Server Discovery #AI #DevTools #opensource
🪶 Built on #Bun - compiles to a single standalone binary for easy deployment and distribution across platforms
🔌 Works with both stdio (local) and HTTP (remote) MCP servers for maximum flexibility in connecting to external tools, APIs, and data sources
🔍 Glob-based search across all servers with mcp-cli grep "*pattern*" to find the right tools instantly without loading everything upfront
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📉 Reduces token consumption by 99%! From ~47,000 tokens to ~400 tokens when using 6 MCP servers with 60 tools - massive savings for AI agent workflows
⚡ Connection pooling with lazy-spawn daemon featuring 60s idle timeout for optimal performance - no manual start/stop needed
🎛️ Tool filtering via allowedTools and disabledTools config to control which tools are available - supports glob patterns like read_* or *file*
🤖 Designed for AI coding agents like #GeminiCLI, #ClaudeCode, and others with system prompt integration and Agent Skills support
📋 Three-subcommand architecture: info for discovery, grep for searching, call for execution - structured error messages with recovery suggestions
🔧 Simple workflow: mcp-cli to list servers, mcp-cli info server tool for schema, mcp-cli call server tool '{}' to execute
💡 Solves the context window bloat problem - dynamic discovery means you only pay tokens for tools you actually use instead of loading all definitions upfront
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