# mcp-debug-claude-desktop

> mcp-debug-claude-desktop — rsascha-mcp-debug-claude-desktop. Use this tool when you need to debug lost tool calls in Claude Desktop, as it provides a comprehensive protocol flow analysis using ping, echo, sized_echo, and slow_echo tools. It solves issues related to tool call losses by recording and analyzing the full protocol flow, helping to identify and resolve problems. Ideal for use in development and testing environments where tool call reliability is crucial.

Canonical page: https://skillsregistry.net/skills/rsascha-mcp-debug-claude-desktop  
JSON: https://api.skillsregistry.net/v1/skills/rsascha-mcp-debug-claude-desktop

## Description

An instrumented MCP server for debugging lost tool calls in Claude Desktop, using ping, echo, sized_echo, and slow_echo tools to record and analyze the full protocol flow.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/s1m0nyuvsf)
- **Repository:** <https://github.com/rsascha/mcp-debug-claude-desktop>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "rsascha-mcp-debug-claude-desktop"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/rsascha-mcp-debug-claude-desktop` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/rsascha-mcp-debug-claude-desktop/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt