Verified65% confidenceFactTime unknown
In stdio mode, Claude Code launches the MCP Server as a child process, sending requests via stdin and receiving responses via stdout.
3
Sources
65%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedMCP has a built-in Stdio (standard input/output) local communication mechanism, but Stdio cannot transmit across networks and can only be used for inter-process communication on a local machine.74% similarUnverifiedIn Claude Desktop, each MCP server runs as an independent subprocess and communicates with the main application via stdio; the configuration file is typically claude_desktop_config.json and uses a declarative design.71% similar
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