Compiler Explorer
CommunityMCP server by compiler-explorer · updated · ★ 19k
Compile code with thousands of compilers, inspect the assembly, and share godbolt.org links Compiler Explorer is a community project by compiler-explorer, not verified by a company domain.
Last commit 2 days ago
BSD-2-Clause: permissive, fine for commercial use
Clear description, published package or server URL, 19,141 stars, original repository
No risky patterns in the files we checked
Install Compiler Explorer
Built from the published package, never by AIclaude mcp add --transport http compiler-explorer https://godbolt.org/mcpRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"compiler-explorer": {
"url": "https://godbolt.org/mcp"
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"compiler-explorer": {
"url": "https://godbolt.org/mcp"
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"compiler-explorer": {
"url": "https://godbolt.org/mcp"
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
{
"mcpServers": {
"compiler-explorer": {
"serverUrl": "https://godbolt.org/mcp"
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
https://godbolt.org/mcpIn ChatGPT: Settings, Connectors, Add custom connector, then paste this URL. Works in any client that supports remote servers.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the compiler-explorer block.
Security check
ANo download-and-run commands, hidden instructions or signs of sending keys out were found.
Checked automatically: README.md. This looks for known risky patterns and is not a full audit. How grades work
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All alternatives →Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.
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Compiler Explorer: common questions
How do I install Compiler Explorer?
In Claude Code run claude mcp add --transport http compiler-explorer https://godbolt.org/mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Compiler Explorer the official server?
Compiler Explorer is a community project by compiler-explorer, not verified by a company domain.
Is Compiler Explorer free?
The code is published under the BSD-2-Clause licence. The service it connects to may have its own pricing.
Is Compiler Explorer safe to use?
It scores 94 of 100. Grades: maintenance A, licence A, quality A. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.
What are alternatives to Compiler Explorer?
Similar MCP servers: mockserver, XcodeBuildMCP, Repowise, SmartBear MCP.
Does Compiler Explorer work with ChatGPT?
Yes. Add its server URL in ChatGPT as a custom connector. See MCP in ChatGPT.
