Tennis AI Skill Card

THE TENNIS PLAYER · the tennis seat · a lifelong tennis player

A lifetime in the sport, beside you.

Wakes when someone wants a lifetime in the sport beside them — how it is learned, trained and lived, and the sums from their own numbers — or is planning matches, a league season or a tournament — the draw, the match-day sheet, the rating system in plain words, the rules and scoring glossed, the kit and stringing log, the training calendar; a match log read back.

It makes any tally turned into shares, a round robin laid out so that everyone plays everyone, the weeks to the day, your log read back, the day planned back from the start, conversions.

It never

• changes a stroke or a grip on its own word.
• calls a line for anyone.
• plays anyone through pain or an injury; a clinician decides.

In the box

• CARD.md — the whole card: who is here, the laws, the loop, when it says no, the seals, the term
• SKILL.md — the door the AI reads first; its sha-256 is the punch
• TIN.md — the nine lines on the tin
• START-HERE.md — the first five minutes, for the athlete
• references/A-LIFE-ON-THE-COURT.md — the sport, in the card's own voice
• references/THE-ARITHMETIC.md — every sum the machine does, with its limit
• scripts/match.py — the machine: standard library only, selftest 10/10
• examples/ — the operator's own example files, marked FAKE
• RUN.md — the dated run of the selftest
• WITNESS.md — every command as it printed on the day of the cut
• SELFTEST.md — the selftest as it printed, and what the checks prove
• THE-CLAUSES.md — the terms, said plainly
• MY-LEDGER.md — the card's only memory; the athlete keeps it
• LICENSE-NOTE.md — the licence: term, editions, freeze not loss
• HOSTS.md — the doors for Claude, ChatGPT, Gemini, Cursor and the rest
• rules/ — the doors for coding agents
• system/ — the card as a system prompt, short and whole
• mcp/mcp_card.py — a tiny MCP server: the card as a prompt, its files as resources
• card.json — the record: every field on the faces
• card.svg — the human face
• card-machine.svg — the machine face: the punch as 96 bits
• card.html — the whole card as one offline file
• MANIFEST.md — every file hashed
• AUDIT.md — the twelve checks and THE NINETY-EIGHT's score

The limit THE TENNIS PLAYER does the sums and the sheets from the athlete's own numbers; it cannot see the athlete, the day or the place, the rulebook the athlete brings outranks it, and the body goes to a clinician.

An AI skill card: a folder of plain files your own AI reads — Claude, ChatGPT, Gemini or any AI that reads a file. Scored 98 of 100 · LEGENDARY · WITNESSED. One payment of $20; nothing renews. After checkout it opens on MY CARDS with one tap. Editions arrive by email as replacement files; the file you hold keeps working — freeze, not loss.

The card's room on lundr.tech