Capabilities and tools

What League Loom supports

The fantasy platforms and sports League Loom can read, a provider by capability matrix of exactly what works on each one, and a full reference of every read-only tool your AI can call.

Providers

Supported platforms

Each platform maps into one set of normalized shapes, so a single set of read-only tools works across all of them.

Fantrax

Available: Yes

Sports: MLB, NFL, NBA, NHL, NCAAF, NCAAB, PGA, NASCAR, EPL

Private leagues: Yes

Required credentials:

  • secret_id (only for list_user_leagues; may return an empty discovery list)
  • league_id or full Fantrax league URL (for league info, rosters, standings, draft)
  • sport (for rosters/draft name resolution & players)

ESPN

Available: Yes

Sports: NFL, NBA, MLB, NHL, WNBA

Private leagues: Yes

Required credentials:

  • espn_s2 + swid (only for PRIVATE leagues; public leagues need none)
  • season
  • sport

Sleeper

Available: Yes

Sports: NFL, NBA

Private leagues: No

Required credentials:

  • username (or user_id), only to discover leagues

Matrix

What each provider supports

A check means League Loom can read it on that provider today. Values come straight from the provider registry.

CapabilityFantraxESPNSleeper
Leagues & data
Discover leaguesList the leagues a user belongs to on the platform.YesYesYes
League infoRead a league's name, teams, and key settings.YesYesYes
RostersRead every team's roster with players, positions, and slots.YesYesYes
StandingsRead league standings: rank, record, and points.YesYesYes
MatchupsRead head to head matchups for a week.YesYesYes
Live scoreboardRead in progress, live scoring for the current week.NoYesYes
Draft resultsRead draft picks with round, team, player, and auction bid.YesYesYes
Player referenceSearch the platform's player list by name, position, and team.YesYesYes
Available playersList free agents and waiver players you can add in a league.YesYesYes
Player data
Player metadataReturn player identity: name, position, and pro team.NoYesNo
AvailabilityReport whether a player is a free agent, on waivers, or rostered.NoYesNo
OwnershipReport the percent of leagues rostering a player.NoYesNo
Season pointsReturn season total actual fantasy points.NoYesNo
Weekly pointsReturn per week actual fantasy points.NoNoNo
ProjectionsReturn projected fantasy points.NoYesNo
Stat categoriesReturn raw stat categories such as yards or rebounds.NoNoNo
Crosswalk idsMap a player's ids across other platforms and data sources.NoNoNo

Player data stats are live for ESPN and Fantrax today. Sleeper direct player-data support is not available yet, which is exactly what the matrix shows above.

Open the standalone tools reference.

Tools

Your teams and leagues

Start here: your configured profile and a one-call view of your own teams across every league.

ToolWhat it doesGated by
Get my setupfantasy_get_my_setup Show the leagues and teams already configured in the connected profile. No arguments needed. Always available
Get my teamfantasy_get_my_team One call for your team in one league: your standing, your current matchup, and your roster together. rosters
Get all my teamsfantasy_get_my_teams The hub view. Aggregate your teams across every configured league and provider in one call. Always available
Weekly digestfantasy_get_weekly_digest The newsletter. A weekly summary across every team: standing, matchup, roster alerts, and top waiver add. Always available

Tools

League data

Read any league: info, rosters, standings, matchups, and draft results.

ToolWhat it doesGated by
Get league infofantasy_get_league_info Read a league's name, teams, and key settings. leagueInfo
Get rostersfantasy_get_rosters Read every team's roster with player names, positions, and slot or status. rosters
Get standingsfantasy_get_standings Read league standings: rank, record, and points for and against. standings
Get matchupsfantasy_get_matchups Read head to head matchups, or the live scoreboard, for a week. matchups
Get draft resultsfantasy_get_draft Read draft picks with round, overall, team, player, and auction bid where applicable. draft

Tools

Players and waivers

Look up players, find waiver and free-agent targets, and pull live player data.

ToolWhat it doesGated by
Get playersfantasy_get_players Search a provider's player reference for a sport, mapping ids to name, position, and team. players
Get available playersfantasy_get_available_players List free agents and waiver players you can add in a league, ranked best first. availablePlayers
Get player datafantasy_get_player_data Retrieve live player data: identity, availability, percent owned, season points, and projections. playerMetadata

Tools

Setup and discovery

Discover what is supported, find a user's leagues, and manage your setup.

ToolWhat it doesGated by
List fantasy providersfantasy_list_providers List every supported platform with its capabilities, sports, and required credentials. The best first call. Always available
List a user's leaguesfantasy_list_user_leagues Discover the leagues a user belongs to on a provider. listUserLeagues
Manage setupfantasy_manage_setup Show your current setup plus the steps to add or remove a league. Read only, so it points to the wizard. Always available

Every tool is a read. League Loom never changes your lineup or makes a move.