open-leagues NFL and fantasy football data for your agent. An open-source MCP server. It reads any Sleeper league by id, NFL stats, open projections, and the closing line for every game since 1999. Each answer carries a timestamp and a source. No account is needed.
claude mcp add --transport http open-leagues https://leagues.waits.dev/api/mcpcopy
codex mcp add open-leagues --url https://leagues.waits.dev/api/mcpcopy
then ask
“Which week is it, and who is trending on Sleeper?”
the season state and the most added and dropped players, with counts
“Find my Sleeper username, list my leagues, and show roster 4 in week 6.”
leagues by id, then the roster, its matchup, and the box score
“Give me the receipt for that matchup.”
when it flipped, points left on the bench, what the wire cost as a share of budget
“Who leads the season at TE, and which teams are on bye in week 9?”
position leaders from raw weekly stats, and the bye table
“Home dogs of 3 to 7 in division games, 2015 to 2024: record against the spread and n.”
the cohort, graded at the closing line, with pBreakEven; it never picks a side
run your own
git clone https://github.com/ryanwaits/open-leagues.git && cd open-leagues && docker compose up -dcopy
The same box, holding your league: rosters, FAAB, scoring, and tokens for your agents. Quickstart · Guide