TeamsAPI now ships official extensions for three popular team plugins. Drop the extension JAR in your plugins/ folder alongside the team plugin and TeamsAPI will automatically pick it up as a provider. No code changes needed.

New: official provider extensions

TeamsAPI 2.2.0 introduces three ready-to-use provider extensions. Each is bundled inside the main teams-api-plugin JAR and provisioned automatically to plugins/TeamsAPI/extensions/ on first startup.

BetterTeams extension (teams-api-extension-betterteams)

• Exposes teams, members, invites, warps, and ally/neutral relations through TeamsAPI.
• Invite support: invitePlayer and declineInvite work for offline players; acceptInvite requires the invitee to be online at the time of the call.
• Relation support covers ALLY and NEUTRAL; BetterTeams does not model enemies or truces.
• MEMBER, ALLY, and NEUTRAL relation constants are supported.

Towny Advanced extension (teams-api-extension-towny)

• Maps Towny towns to teams, residents to members, and nation relationships (ally/enemy) to TeamsAPI relation constants.
• Claim lookup fully supported; claim and unclaim mutations are not exposed (Towny manages its own chunk lifecycle).
• MEMBER, ALLY, ENEMY, and NEUTRAL relation constants are supported; TRUCE is normalized to NEUTRAL.

KingdomsX extension (teams-api-extension-kingdomsx)

• Maps KingdomsX kingdoms to teams, members to members, and diplomatic relations to TeamsAPI constants.
• Claim lookup supported; mutations return false (require a live KingdomPlayer context not available through TeamsAPI).
• Power read-only; getPlayerMaxPower and getTeamMaxPower always return 0.0 (KingdomsX does not expose a per-player power ceiling in its public API).
• MEMBER, ALLY, TRUCE, ENEMY, and NEUTRAL relation constants are supported; relations are applied symmetrically.

New: extension management commands

Command	Permission	Description
/teamsapi install <extension>	teamsapi.install (op)	Copies a bundled extension JAR to plugins/TeamsAPI/extensions/. Valid names: betterteams, towny, kingdomsx.
/teamsapi load <file>.jar	teamsapi.load (op)	Loads and enables an extension from plugins/TeamsAPI/extensions/ without a server restart.

Installation quick-start

1. The extension JARs are pre-bundled. TeamsAPI copies them to plugins/TeamsAPI/extensions/ on startup automatically. Nothing to download for first-time setup.
2. Run /teamsapi install betterteams (or towny / kingdomsx) to stage the extension for the next restart, or run /teamsapi load teams-api-extension-betterteams-2.2.0.jar to activate it immediately without a restart.
3. Install the matching team plugin if it is not already present, then restart (or reload) the server.

Full details and a feature matrix are in the Provider Catalog.