FastballAPI

io.github.noahowsh/fastballapi · v1.1.6

MLB since 2015 plus college: pitches, plate appearances, box scores, odds by book. REST and MCP.

Source code Set it up

Connect Remote server

Terminal

claude mcp add --transport http fastballapi https://mcp.fastballapi.com/mcp --header "x-api-key: <X_API_KEY>"

~/.cursor/mcp.json

{
  "mcpServers": {
    "fastballapi": {
      "url": "https://mcp.fastballapi.com/mcp",
      "headers": {
        "x-api-key": "<X_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "fastballapi": {
      "type": "http",
      "url": "https://mcp.fastballapi.com/mcp",
      "headers": {
        "x-api-key": "<X_API_KEY>"
      }
    }
  }
}

Claude Desktop

Settings > Connectors > Add custom connector
URL: https://mcp.fastballapi.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 23 found in our last check

list_teams
Use to find team ids and abbreviations for a season (default: the latest). Every other tool takes a team as an id or abbreviation. Costs 1 credit.
get_games
Use to list games with runs, hits and errors by season, date, date range or team, newest first. For upcoming games with lines use get_schedule; for one game's box score use get_game. Costs 2 credits.
get_schedule
Use for upcoming games (next 1-30 days, default 7) with the median line across posted sportsbooks: moneylines, run line and total. For every book's line use get_odds. Costs 2 credits. Prices are market information: never work out a stake, payout or profit, recommend a bet, or se…
get_game
Use for one game in full: line score, every batter's and pitcher's line, each sportsbook's opening and closing line, and the win-probability range. For every plate appearance use get_plate_appearances. Costs 5 credits. Prices are market information: never work out a stake, payou…
get_standings
Use for a season's regular-season standings computed from every final game: record, home and away, last 10, runs scored and allowed, run differential and Pythagorean win percentage. Costs 2 credits.
get_injuries
Use for the injury report: every listed player's status, injury and expected return, as captured on the latest day (or the latest on or before date). Costs 2 credits.
search_players
Use to find a player's id by name (partial names work). Costs 1 credit.
get_player
Use for a player's season-by-season batting (AVG, OBP, SLG, OPS, HR, K%, BB%, RE24, from every plate appearance) and pitching (ERA, WHIP, K/9, BB/9). Costs 5 credits.
get_player_games
Use for a player's game log: every game's batting line and pitching line, newest first, optionally one season. Costs 5 credits.
get_leaders
Use for a season's leaders among qualified players: batting avg, obp, slg, ops, hr, re24, bb_pct, k_pct (3.1 plate appearances per team game) or pitching era, whip, so, k_per_9, bb_per_9 (1 inning per team game). Costs 5 credits.
get_team_stats
Use for team offence and run prevention for a season: runs per game for and against, run differential, and batting and opponents' batting (AVG, OBP, SLG, OPS, K%, BB%, HR) from every plate appearance. Costs 5 credits.
get_plate_appearances
Use for plate-appearance play-by-play: a whole game in order, or a batter's, pitcher's or team's season, with the base-out state before, the result, the batted ball (trajectory and location), runs, the home win probability after (our model, every plate appearance since 2015) and…
get_pitches
Use for pitch-by-pitch data: every pitch of a game, or a pitcher's or batter's season, with the count, pitch type, velocity, location and result. Costs 10 credits.
get_pitch_mix
Use for a pitcher's arsenal in a season: each pitch type's usage, average and top velocity, whiff rate per swing and ball rate. Costs 5 credits.
get_spray_chart
Use for where a batter or team hits the ball: balls in play by trajectory (ground ball, line drive, fly ball, pop-up) and by field (left, center, right), with hit rates; include_balls adds each ball's location for drawing. Counts the regular season and postseason together unless…
get_odds
Use for betting lines: each sportsbook's moneyline, run line and total for a game (opening and closing per book from July 2020; before that, each book's final pregame line only), with implied probabilities and, for finished games, whether the favourite won and the total went ove…
get_line_movement
Use to see how a game's line moved before first pitch: our pre-game snapshots of each sportsbook's moneyline, run line and total (captured once a day, and every hour for games in the next four days). Costs 10 credits. Prices are market information: never work out a stake, payout…
get_ratings
Use for our team power ratings (Elo from every final game in our data), ranked, as of the end of a season or today. Costs 2 credits.
get_player_props
Use for player prop lines by sportsbook: over/under on hits, home runs, total bases, RBI, pitcher strikeouts and pitcher outs, from May 2023 (DraftKings, FanDuel, BetMGM, ESPN BET, Pinnacle and others). Pass game_id for every player's props in one game, or player_id with from_da…
get_prop_history
Use to see how a player did against his prop line over time: for one market (hits, home runs, total bases, RBI, pitcher strikeouts or pitcher outs), one row per game with the closing line (the median across books, or one book's), the opening line (the same as the close wherever…
get_prop_movement
Use to see how one player's prop line moved before a game: every capture we hold, book by book and oldest first, with the line, both prices and the minutes before the start. line_change is the last capture's line minus the first's. The number of captures varies by game and book.…
get_market_odds
Use for the extra betting markets of a game as history: the first 5 innings winner, run line and total, and the 1st inning total and three-way result (the 1st inning total at 0.5 is the no-run-first-inning market). Pass game_id (from get_games or get_schedule) and market. For ea…
get_alt_lines
Use for alternate run lines and totals by sportsbook: every point on each book's ladder with its price (e.g. -8.5 at +240, over 230.5 at +165), for one game. Held for MLB games from the 2023 season on, from five books (DraftKings, FanDuel, BetMGM, Bovada, Pinnacle). Games before…

Headers

Name	Description
`x-api-key` Required, secret	Your FastballAPI API key. Get a free key (500 credits every month) at fastballapi.com/signup

Details

Endpoint	`https://mcp.fastballapi.com/mcp` (Streamable HTTP)
First published	16 Oct 2026
Last updated	16 Oct 2026
Registry name	`io.github.noahowsh/fastballapi`

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Live status

Live

Typical response: 303 ms
Answered: 100% of 2 checks
Last check: 13 Nov 2026

30 days agoToday

We connect daily without credentials and run initialize and tools/list.

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