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Code Explainer MCP Server

answering

Code Explainer is answering right now. Last checked 6 min ago. It exposes 6 tools. Last commit 8 Apr 2026.

Cloudflare Workers MCP server: code-explainer

Uptime history 47 days of history
47 days agonow
100.0%
Uptime 24h
92 of 92 checks
6
Tools
read from the server
171 ms
Response time
average over 24h
0
Stars
last commit 8 Apr 2026

Nothing serious here today

Today is the operative word: we check Code Explainer every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

run in your terminal
claude mcp add code-explainer --transport http https://api.lazy-mac.com/code-explainer/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "code-explainer": {
      "url": "https://api.lazy-mac.com/code-explainer/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.code-explainer]
url = "https://api.lazy-mac.com/code-explainer/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "code-explainer": {
      "url": "https://api.lazy-mac.com/code-explainer/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "code-explainer": {
      "url": "https://api.lazy-mac.com/code-explainer/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

analyze
analyze_all
Run all five analyses in one call: language detection, natural-language explanation, docstring generation, complexity metrics, and refactoring suggestions.
analyze_complexity
Analyze code complexity including cyclomatic complexity, cognitive complexity, nesting depth, and maintainability index.
detect
detect_language
Detect the programming language of a code snippet. Returns the detected language and confidence level.
explain
explain_code
Generate a natural language explanation of a code snippet including structural analysis, features, and summary.
generate
generate_docstring
Generate JSDoc, Python docstring, Go godoc, or Rust doc comments for functions in the provided code.
suggest
suggest_refactor
Get prioritized refactoring suggestions for code quality improvements.

Endpoints

URLTransportStateLatencyChecked
https://api.lazy-mac.com/code-explainer/mcp streamable-http answering 213 ms 6 min ago

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Code Explainer — questions

Answers built from our own checks of this server.

What can Code Explainer do?
It exposes 6 tools, read directly from the server on our last check. Among them: analyze_all, analyze_complexity, detect_language, explain_code, generate_docstring, suggest_refactor. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Code Explainer working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 171 ms. The bar chart above shows every period we have measured.
How do I connect Code Explainer?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Code Explainer need an API key?
No. Code Explainer completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Code Explainer?
It answers our handshake in 171 ms on average, which is faster than 72% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Code Explainer open source?
We cannot say either way: written in JavaScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.