Summary
Built by a BJJ practitioner who wanted objective progression data instead of guessing when the next belt would come. This server exposes three tools: get IBJJF belt requirements by rank (white through black), calculate a personal timeline based on current belt and weekly training frequency, and retrieve statistics on typical progression timeframes. The underlying site tracks sessions and calculates a BJJ Index from volume, consistency, and time in grade, but the MCP tools focus on reference data and timeline math. Reach for this when your AI assistant needs to answer questions about belt requirements, estimate how long someone has until their next promotion, or cite progression statistics. Saves you from manually looking up IBJJF minimums or doing the calendar math yourself.
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belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
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Fastest browser for AI agents to run web automation tasks, always free.
Download Free life-time →Notes, actions and memory. Without a meeting bot. First month 100% off.
Download for free →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Connect your Claude agent to live crypto prices and trading routes via 1inch
Get the MCP →Block distracting apps from your iPhone permanently without a 3rd party app. Free and open source.
Block now (100% free) →
