Agentic IDEs & MCP Server Troubleshooting
Exact error string resolutions, Windows 11 path bridging, and token bloat diagnostics for Google Antigravity IDE and Claude Desktop.
⚡ Companion Utility: MCP Config JSON Validator
Paste your config to auto-repair Windows backslashes, bare npx commands, and test lazy loading token savings.
- Windows 11 Fix
Fix spawn npx ENOENT in MCP Server Configs on Windows 11 (Antigravity & Claude Desktop)
Windows fails to resolve bare npx commands in JSON configs. Here is the exact cmd /c wrapper fix and escaped path guide.
- stdio Crash Fix
How to Fix MCP error -32000: Connection closed on Long-Running stdio Scraper Tools
Headless browsers and scraping MCP servers drop stdio pipes during heavy turns. How to buffer stdout and prevent JSON-RPC desync.
- Security Config
How to Pass .env API Keys to mcp_config.json Without Hardcoding Secrets
Stop committing private API keys to git. 3 verified patterns to inject environment variables into Antigravity and Claude Desktop.
- WSL2 Bridge
Bridging Python uvx MCP Servers Inside WSL2 to Windows Agentic IDEs
How to configure wsl.exe bridge wrappers to execute Linux-only Python uvx packages inside Windows-hosted agentic IDEs.
- Token Optimization
MCP Tool Schema Token Bloat: Benchmarks of Eager vs. Lazy Loading Across 12 Servers
We measured 14,000 wasted input tokens injected per turn across 12 active MCP tools. How to lazy load tool schemas in Antigravity.