US bill serial numbers: star note print runs and fancy serial patterns with exact odds.
Connect Remote server
claude mcp add --transport http serialhunt https://bigballi.com/SerialHunt/mcp
{
"mcpServers": {
"serialhunt": {
"url": "https://bigballi.com/SerialHunt/mcp"
}
}
}
{
"servers": {
"serialhunt": {
"type": "http",
"url": "https://bigballi.com/SerialHunt/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://bigballi.com/SerialHunt/mcp
Tools 4 found in our last check
check_serialWhether one US paper money note is worth keeping, from its serial number: the Federal Reserve Bank, the series (worked out from the serial when it is not given), every collector pattern in the eight digits with its exact odds, and for a star (replacement) note the print run it c…
find_star_runsThe smallest US star note print runs on record, smallest first (top 10), optionally for one denomination, series or Federal Reserve Bank: the notes printed, the rarity band and the serial range to watch for. Runs printed only for uncut collector sheets, which never circulate, ar…
list_serial_patternsThe 17 fancy serial number patterns collectors look for on US bills (ladder, solid, radar, repeater, binary, birthday, low serial and the rest): a strict definition, an example, how many of the 100,000,000 possible eight-digit serials match, and the odds.
get_coverageWhich denominations and series the star note print run figures cover, with the Federal Reserve districts and number of star runs on record for each, the sources, the date of the last update and any known gap.
Details
| Endpoint | https://bigballi.com/SerialHunt/mcp (Streamable HTTP) |
| First published | 7 Oct 2026 |
| Last updated | 7 Oct 2026 |
| Registry name | com.bigballi/serialhunt |
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