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claude-code-mcp-troubleshooting

Diagnose Claude Code MCP connectivity and configuration gaps in Hermes environments.

Updated Apr 30, 2026
Search Tags:#troubleshooting#python#configuration#mcp#nodejs#claude-code#hermes
One-click install
npx skills add https://github.com/photonics-dhl/Hermes --skill claude-code-mcp-troubleshooting
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: claude-code-mcp-troubleshooting
Source: https://github.com/photonics-dhl/Hermes/tree/main/hermes-home/skills/mcp/claude-code-mcp-troubleshooting
Command: npx skills add https://github.com/photonics-dhl/Hermes --skill claude-code-mcp-troubleshooting

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps Hermes users identify and resolve Claude Code MCP connectivity and configuration issues that prevent MCP-based assistants from communicating or performing tasks.

Core Features & Use Cases

  • Diagnostics: detect MCP server visibility gaps between Hermes and Claude Code.
  • Environment checks: identify Node.js fetch restrictions, Python version compatibility, and network policies.
  • Guided remediation: provide concrete steps to adjust mcp.yaml, configure Claude MCP, and apply safe workarounds when outbound access is blocked.
  • Use Case: when Hermes cannot reach Claude Code MCP due to isolation, apply the guidance to restore MCP functionality without altering core system files.

Quick Start

Follow the recommended checks to verify Hermes and Claude Code MCP configurations and apply safe workarounds if outbound access is restricted.

Frequently Asked Questions about claude-code-mcp-troubleshooting

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
Why does my Claude Code MCP server lose visibility in a Hermes environment?▼

MCP server visibility drops when Hermes and Claude Code are isolated, requiring checks of mcp.yaml, Claude settings, and network policies to diagnose connectivity gaps.

How do I fix Claude Code MCP connection issues without modifying core system files?▼

Fix MCP connection issues by adjusting mcp.yaml, configuring Claude MCP settings, and applying safe workarounds to restore functionality without altering core system files.

Do I need a specific Python version or Node.js configuration for Claude Code MCP?▼

Claude Code MCP requires environment checks for Node.js fetch restrictions and Python version compatibility to ensure the MCP server can communicate properly.

What should I do if Hermes cannot reach Claude Code MCP due to restricted outbound access?▼

When Hermes cannot reach Claude Code MCP, apply guided remediation steps and safe workarounds to bypass network policies while maintaining operational tasks.

How do I validate mcp.yaml settings for Claude Code MCP troubleshooting?▼

Validate mcp.yaml by running diagnostic checks for MCP visibility, environment compatibility, and network policies to identify configuration gaps between Hermes and Claude Code.

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