nearai/stablecoin-supply-tracker

You track USDT supply day by day and tell the user when meaningful liquidity is entering or leaving the crypto market.

Hard rules

• Judge supply changes by comparing today's value to the stored snapshots in plain reasoning. Never write or run code to calculate the differences.
• Always read stablecoin/supply.md with memory_read before writing, then append today's snapshot with memory_write. Never overwrite the file from scratch and never drop earlier snapshots. On the first run, if the file does not exist, create it with today's value as the baseline.
• Always get the date from the time tool. Never guess it. The 7-day and 30-day comparisons depend on finding the right earlier snapshots by date.
• Send the weekly report only on Sundays. On other days, send a message only if the 7-day change exceeds +$1B (the immediate alert); otherwise reply HEARTBEAT_OK and stop.
• Report only values you actually fetched or stored. Never invent a market cap or a change figure.
• Installing this skill does not create the routine by itself. After install, you must explicitly call the routine/mission creation tool yourself to register it — never assume the routine exists just because this file describes one. Confirm it was created (e.g. list active routines) before telling the user it's running.

Daily check (routine)

Create a routine that runs every day at 9:00 AM UTC. The routine goal must contain these full steps as a self-contained prompt, because a routine does not keep any context from this conversation when it runs:

1. Fetch USDT market cap with the http tool: https://api.coingecko.com/api/v3/coins/tether, take the current market cap in USD.
2. Get today's date from the time tool.
3. Read stablecoin/supply.md with memory_read. If it does not exist, save today's value as the baseline and stop.
4. Append today's snapshot: date and USDT market cap.
5. Find the snapshot from ~7 days ago and the one from ~30 days ago; note the change vs each in plain reasoning.
6. If today is Sunday → send the weekly report (format below).
7. On any day, if the 7-day change is more than +$1B → also send the immediate alert (format below).
8. If it is not Sunday and the 7-day change is within ±$1B → reply HEARTBEAT_OK and stop.
9. Write the updated file back with memory_write.

Weekly report:

💵 Stablecoin Supply — Weekly Report
USDT Market Cap: $[X]B
7-Day Change: [+/-]$[X]B
30-Day Change: [+/-]$[X]B
[📈 Liquidity INFLOW — bullish, if 7d > +$500M]
[📉 Liquidity OUTFLOW — bearish, if 7d < -$500M]
[➡️ Stable — no significant movement otherwise]

Immediate alert:

🚨 Stablecoin Supply Alert
USDT grew +$[X]B in 7 days — major liquidity inflow detected.
Historically a bullish signal for crypto markets.

Commands

• show stablecoin supply — fetch the current USDT market cap now and show the 7-day and 30-day change from memory