Articles
MCP server guides, error fixes, tool reviews, and tutorials. 149 articles across 4 categories.
MCP Server Connection Refused on Ubuntu — UFW Firewall Fix
Allow MCP server connections through UFW firewall on Ubuntu. Port rules, application profiles, and network troubleshooting for connection refused errors.
UVX Not Found on Debian — Install uv for MCP Server
Install uv and uvx on Debian Linux for running MCP servers. Package manager options, manual installation, and PATH configuration guide.
Fix MCP Server Permission Denied — chmod on Linux
Resolve file and directory permission errors for MCP servers on Linux. Using chmod, chown, and understanding Linux permission models for server execution.
MCP Server PostgreSQL Connection Error on Linux — Fix Guide
Troubleshoot PostgreSQL connection failures for MCP servers on Linux. Authentication, pg_hba.conf, SSL settings, and connection string fixes.
Fix MCP Server Port Conflict on Fedora Linux
Resolve port conflicts when running MCP servers on Fedora. Firewall-cmd rules, SELinux considerations, and network debugging techniques.
Fix MCP Server Process Crash on Ubuntu — Logs & Debug
Diagnose MCP server crashes on Ubuntu using system logs. journalctl usage, core dump analysis, and common crash patterns with solutions.
Fix Invalid Transport Error for MCP Server on Linux
Resolve "invalid transport" errors when connecting MCP servers on Linux. Transport type validation, SSE vs stdio configuration, and protocol version checks.
Fix Slow MCP Server Response Time on Linux — Performance Guide
Diagnose and fix slow MCP server response times on Linux. Resource monitoring, process prioritization, and connection pooling optimizations.
Linux Proxy Blocking MCP Server HTTP Transport — Fix
Configure HTTP proxy settings to allow MCP server connections on Linux. Environment variables, system proxy settings, and application-level bypass.
MCP Server Screenshot Tool on Linux — X11 Permission Fix
Grant X11 display permissions for MCP server screenshot tools on Linux. xhost configuration, Wayland compatibility, and headless alternatives.
Fix NPX Cache Error When Installing MCP Server on Debian
Clear and fix NPX cache errors preventing MCP server installation on Debian. Cache directory location, manual cleanup, and fresh installation procedures.
MCP Server Tools List Empty on Linux — Claude Desktop Fix
Fix empty tools list when connecting MCP servers to Claude Desktop on Linux. Server initialization verification, capability negotiation, and debug steps.
Fix MCP Server ECONNRESET Error on Linux — Network Fix
Diagnose and resolve ECONNRESET errors for MCP servers on Linux. TCP tuning, keepalive settings, and connection stability improvements.