OP.GG MCP Server

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The OP.GG MCP Server is a Model Context Protocol implementation that provides AI agents with access to OP.GG game data for League of Legends, Teamfight Tactics, and Valorant.

Endpoint

https://mcp-api.op.gg/mcp

The server supports Streamable HTTP transport.

Field Selection

Most tools require a desired_output_fields parameter to specify which fields to return. This reduces payload size and improves response efficiency.

Syntax

| Pattern | Description | Example |
|---------|-------------|---------|
| field | Single field | name |
| parent.child | Nested field | data.summoner.level |
| array[] | Array field | champions[] |
| array[].field | Field in array items | data.champions[].name |
| {a,b,c} | Multiple fields at same level | {name,title,lore} |
| parent.{a,b} | Multiple nested fields | data.summoner.{level,name} |
| array[].{a,b} | Multiple fields in array items | data.champions[].{name,title} |

Example

{
  "desired_output_fields": [
    "data.summoner.{game_name,tagline,level}",
    "data.summoner.league_stats[].{game_type,win,lose}",
    "data.summoner.league_stats[].tier_info.{tier,division,lp}"
  ]
}

Available Tools

League of Legends

Champions

| Tool | Description | |------|-------------| | lol_get_champion_analysis | Get detailed champion stats (win/pick/ban rates), optimal builds (items, runes, skills, spells), counter matchups, and team synergies | | lol_get_champion_synergies | Get champion synergy information | | lol_get_lane_matchup_guide | Get lane matchup guide for a specific lane | | lol_list_champion_details | Get ability, tip, lore, and stat metadata for up to 10 champions | | lol_list_champion_leaderboard | Get champion leaderboard data | | lol_list_champions | List all champion metadata | | lol_list_lane_meta_champions | Get lane-by-lane champion tiers with win/pick/ban rates, KDA, and tier rankings |

Summoners

| Tool | Description | |------|-------------| | lol_get_summoner_game_detail | Get detailed information for a specific game (all players) | | lol_get_summoner_profile | Get summoner profile with rank, tier, LP, win rate, and champion pool | | lol_list_summoner_matches | Get recent match history with per-game stats |

Resources

| Tool | Description | |------|-------------| | lol_list_discounted_skins | Get currently discounted skins | | lol_list_items | List all item metadata |

Pro Players

| Tool | Description | |------|-------------| | lol_get_pro_player_riot_id | Get Riot ID for a pro player |

Esports

| Tool | Description | |------|-------------| | lol_esports_list_schedules | Get upcoming LoL esports schedules with teams, leagues, and match times | | lol_esports_list_team_standings | Get team standings for a LoL league |

Teamfight Tactics (TFT)

| Tool | Description |
|------|-------------|
| tft_get_champion_item_build | Get champion item build recommendations |
| tft_get_play_style | Get play style recommendations |
| tft_list_augments | Get augment list and descriptions |
| tft_list_champions_for_item | Get champion recommendations for a specific item |
| tft_list_item_combinations | Get item combination recipes |
| tft_list_meta_decks | Get current meta decks |

Valorant

| Tool | Description |
|------|-------------|
| valorant_list_agent_compositions_for_map | Get agent compositions for a specific map |
| valorant_list_agent_statistics | Get agent statistics and meta data |
| valorant_list_agents | Get agent metadata with abilities and roles |
| valorant_list_leaderboard | Get leaderboard by region (ap, br, eu, kr, latam, na) |
| valorant_list_maps | Get map metadata |
| valorant_list_player_matches | Get player match history |

License

This project is licensed under the MIT License - see the LICENSE file for details.

Related Links

- Model Context Protocol
- OP.GG