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OnlineCompiler.io

Run Python, Java, C, C++, C#, Go, Rust and 39 more languages, each run in a fresh, offline sandbox.

likely compatible

Declares API key header (Authorization); use Copilot Studio 'API key' → Header.

Rule R2b · what this means · Not tested in Copilot Studio.

Registry nameio.onlinecompiler/compiler
Endpoint used for verdicthttps://api.onlinecompiler.io/mcp
Transportsstreamable-http
Auth (Copilot Studio setting)API key (header)
Last endpoint check2026-10-20T18:17:37Z · HTTP 401
Websitehttps://onlinecompiler.io/mcp-code-execution
Version1.1.1
Registry updated2026-10-19
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Is this wrong or out of date? Email us. Data built 2026-10-20.