PlaceholderAPI

PlaceholderAPI is a widely-used plugin for Minecraft servers based on Spigot that offers extensive capabilities for integrating data from various plugins in a unified format.
Core Features
This module provides a universal placeholder system that enables server owners to display virtually any information from different plugins using a single formatting standard.
Support for specific plugins is provided either through built-in plugin functionality or via specialized expansions. Users have access to over 230 ready-to-use expansions covering most popular solutions including Essentials, Factions, LuckPerms, and Vault. All expansions can be easily downloaded directly in-game through the integrated PAPI Expansion Cloud repository.
Installation

The plugin installation process is intuitive and doesn't take much time. All necessary files are available on the developer's official resources.
Configuration

The main configuration file config.yml contains all key plugin settings and provides additional customization options for individual expansions. When each expansion is loaded, corresponding sections with configurable parameters are automatically added to the configuration.
# PlaceholderAPI
# Version: 2.11.4
# Created by: extended_clip
# Contributors: https://github.com/PlaceholderAPI/PlaceholderAPI/graphs/contributors
# Issues: https://github.com/PlaceholderAPI/PlaceholderAPI/issues
# Expansions: https://api.extendedclip.com/all/
# Wiki: https://github.com/PlaceholderAPI/PlaceholderAPI/wiki
# Check for updates: true
cloud_enabled: true
cloud_sorting: "name"
cloud_allow_unverified_expansions: false
boolean:
'true': 'yes'
'false': 'no'
date_format: MM/dd/yy HH:mm:ss
debug: false
Permissions

The permission system is organized on a hierarchical principle:
permissions:
placeholderapi.:
description: "Access to all PAPI commands"
children:
placeholderapi.admin: true
placeholderapi.ecloud.: true
placeholderapi.admin:
description: "PAPI administration"
children:
placeholderapi.help: true
placeholderapi.info: true
placeholderapi.list: true
placeholderapi.parse: true
placeholderapi.reload: true
placeholderapi.version: true
placeholderapi.register: true
placeholderapi.unregister: true
placeholderapi.ecloud.download:
default: "op"
description: "Download expansions from the cloud"
Admin Commands
Placeholder Processing Commands
/papi bcparse <player|--null|me> <text>/papi cmdparse <player|me> <text>/papi parse <player|--null|me> <text>/papi parserel <player> <player> <text>
Cloud Expansion Management
/papi ecloud status- check status/papi ecloud download <expansion> [version]- downloading/papi ecloud update <expansion/all>- updates/papi ecloud list <all|<author>|installed> [page]- listing/papi ecloud info <expansion> [version]- information
Extension Operations
/papi info <expansion>- details/papi list- listing active ones/papi register <jar file>- registration/papi unregister <jar file>- removal
Additional Utilities
/papi dump- diagnostics/papi reload- reload/papi version- version check
Download statistics exceed 1.5 million, and active server count reaches over 40,000, making this plugin practically essential for servers of any type and scale.