docs: fix PLAYWRIGHT_MCP_ALLOWED_HOSTS env var name#1414
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pavelfeldman merged 1 commit intomicrosoft:mainfrom Feb 21, 2026
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docs: fix PLAYWRIGHT_MCP_ALLOWED_HOSTS env var name#1414pavelfeldman merged 1 commit intomicrosoft:mainfrom
pavelfeldman merged 1 commit intomicrosoft:mainfrom
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The README documented the environment variable as PLAYWRIGHT_MCP_ALLOWED_HOSTS, but the actual implementation in playwright/src/mcp/browser/config.ts reads from PLAYWRIGHT_MCP_ALLOWED_HOSTNAMES. This caused the env var to silently have no effect. Fixes microsoft#1373
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…1440) This reverts commit f1f42f8. It broke lint. See https://github.com/microsoft/playwright-mcp/pull/1414/checks in the original PR.
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The README documents the
--allowed-hostsenvironment variable asPLAYWRIGHT_MCP_ALLOWED_HOSTS, but the actual implementation reads fromPLAYWRIGHT_MCP_ALLOWED_HOSTNAMES:https://github.com/microsoft/playwright/blob/9901ab97198b6109da3591008fba4f367f428471/packages/playwright/src/mcp/browser/config.ts#L312
This one-character discrepancy causes the env var to silently have no effect.
Fixes #1373