# mma_get_league_by_id

Get a specific MMA league by ID

Agent View of the PolicyLayer registry record for `mma_get_league_by_id`. HTML page: https://policylayer.com/tools/io-balldontlie-mcp/mma-get-league-by-id

## Facts

- Tool: `mma_get_league_by_id`
- Server: Mcp (`https://mcp.balldontlie.io/mcp`) — https://policylayer.com/tools/io-balldontlie-mcp.md
- Homepage: https://github.com/balldontlie-api/mcp
- Risk category: Read (Low risk)
- Registry record: grade A, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "mma_get_league_by_id",
    "arguments": {}
  }
}
```

## Why mma_get_league_by_id is rated Low

This tool retrieves league information from the sports API database without modifying, deleting, or executing any operations. It has no blast radius if misused—an AI agent can only fetch information already available in the database.

From the tool's own definition: "Tool name 'mma_get_league_by_id' and description 'Get a specific MMA league by ID' indicate a retrieval operation. The verb 'Get' and the context of querying sports data confirm this is a read-only query with no side effects."

## Use case

AI agents call mma_get_league_by_id to retrieve information from Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mcp:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "mma_get_league_by_id": {}
  }
}
```

## Other tools on Mcp (363)

- `atp_get_head_to_head` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-head-to-head.md
- `atp_get_match` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-match.md
- `atp_get_match_stats` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-match-stats.md
- `atp_get_matches` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-matches.md
- `atp_get_odds` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-odds.md
- `atp_get_player` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-player.md
- `atp_get_player_career_stats` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-player-career-stats.md
- `atp_get_players` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-players.md
- `atp_get_race` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-race.md
- `atp_get_rankings` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-rankings.md
- `atp_get_tournament` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-tournament.md
- `atp_get_tournaments` — Read — https://policylayer.com/tools/io-balldontlie-mcp/atp-get-tournaments.md
- `bundesliga_get_betting_odds` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-betting-odds.md
- `bundesliga_get_match_events` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-match-events.md
- `bundesliga_get_match_lineups` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-match-lineups.md
- `bundesliga_get_matches` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-matches.md
- `bundesliga_get_player_match_stats` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-player-match-stats.md
- `bundesliga_get_player_props` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-player-props.md
- `bundesliga_get_players` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-players.md
- `bundesliga_get_rosters` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-rosters.md
- `bundesliga_get_standings` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-standings.md
- `bundesliga_get_team_match_stats` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-team-match-stats.md
- `bundesliga_get_teams` — Read — https://policylayer.com/tools/io-balldontlie-mcp/bundesliga-get-teams.md
- `cbb_get_active_players` — Read — https://policylayer.com/tools/io-balldontlie-mcp/cbb-get-active-players.md
- `cbb_get_conferences` — Read — https://policylayer.com/tools/io-balldontlie-mcp/cbb-get-conferences.md
- `cbb_get_games` — Read — https://policylayer.com/tools/io-balldontlie-mcp/cbb-get-games.md
- `cbb_get_odds` — Read — https://policylayer.com/tools/io-balldontlie-mcp/cbb-get-odds.md
- `cbb_get_player_batting_stats` — Read — https://policylayer.com/tools/io-balldontlie-mcp/cbb-get-player-batting-stats.md
- `cbb_get_player_pitching_stats` — Read — https://policylayer.com/tools/io-balldontlie-mcp/cbb-get-player-pitching-stats.md
- `cbb_get_player_season_batting_stats` — Read — https://policylayer.com/tools/io-balldontlie-mcp/cbb-get-player-season-batting-stats.md
- …and 333 more: https://policylayer.com/tools/io-balldontlie-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-balldontlie-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-balldontlie-mcp