For AI agents: a documentation index is available at https://www.mongodb.com/docs/llms.txt — markdown versions of all pages are available by appending .md to any URL path.
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Legacy Documentation

MongoDB recommends that you upgrade products to the most recent version so that you can use the most up-to-date documentation. MongoDB documents supported product versions through MongoDB Documentation.

If you cannot upgrade to a supported version, MongoDB provides legacy documentation for versions that have reached their end-of-life and are no longer recommended for use. MongoDB does not maintain or update legacy documentation.