Description
convex-cost is an agent skill that previews what a Convex app is likely to cost. Cost surprises usually come from a few functions that read far more data than expected, and the skill makes that visible. It reads the deployment's own evidence on bytes and documents read, attributes it to the functions responsible, ranks them by the amount of data read multiplied by call volume, and projects how each cost driver grows as traffic increases. It then names the cheapest fix for each one. The skill also carries a confirm-cost discipline: before anything metered happens, it states the price and asks for an explicit yes. It is related to the convex-advisor skill, which flags the same read-heavy patterns for performance, and this skill looks at them through the lens of spend. It is part of the get-convex agent-skills repository and is added to a compatible agent with the skills command. It suits developers who want to know what a growing app will cost before the bill arrives, and who need the cheapest change that would reduce it.…
Highlights
- Ranks functions by data read times call volume
- Projects cost growth with traffic
- Names the cheapest fix
- Asks for explicit consent before metered actions
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convex-cost FAQ
What does convex-cost do?
It previews the spend of a Convex app by finding the functions that read the most data and projecting their cost as traffic grows.
How are functions ranked?
By bytes or documents read multiplied by call volume, from the deployment's insights.
Does it change anything metered?
No. It states the price and needs an explicit yes before anything metered.
How does it relate to convex-advisor?
They look at the same read-heavy patterns, one for performance and this one for cost.
How do I install it?
Run: npx skills add https://github.com/get-convex/agent-skills --skill convex-cost
What are the best convex-cost alternatives?
Popular alternatives to convex-cost include convex-advisor, convex-reviewer and diagnosing-bugs. See all convex-cost alternatives