Fix MCP Server .env Loading: Stop Depending on cwd with __file__-Relative Paths
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Learn why MCP servers must use file -relative .env paths. Claude Desktop's config lacks cwd, so relative paths break. Fix: os.path.join(os.path.dirname(os.path.abspath(__file__)), '.env') . Key Takeaways Learn why MCP servers must use file -relative .env paths. Claude Desktop's config lacks cwd, so relative paths break. Fix: os.path.join(os.path.dirname(os.path.abspath(__file__)), '.env') . The Problem: MCP Servers and Unpredictable Working Directories When you build an MCP server and configure…
1Key Takeaways
- Learn why MCP servers must use file -relative .env paths.
- Claude Desktop's config lacks cwd, so relative paths break.
- Fix: os.path.join(os.path.dirname(os.path.abspath(__file__)), '.env') .
- Key Takeaways Learn why MCP servers must use file -relative .env paths.
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — ML reports that learn why MCP servers must use file -relative .env paths.
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