A side-by-side look at the Cosmergon Agent and Start.gg MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Cosmergon Agent for gaming work as a local process; choose Start.gg MCP Server for gaming as a local process. You can also run both side by side in one mcpServers block.
STARTGG_TOKEN.search_videogames, search_tournaments, get_upcoming_tournaments.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Gaming | Gaming |
| Quality signal | 52/100 · Good | 52/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | STARTGG_TOKEN |
| Verified owner | Community listing | Community listing |
| GitHub stars | 4 | 0 |
| Directory activity | 3 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | Not listed | 16 |
| Full listing | View Cosmergon Agent | View Start.gg MCP Server |
No tool names declared yet. Check the project README from the listing page.
search_videogamesFind videogame ids by name (e.g. "Super Smash Bros. Ultimate" → 1386)search_tournamentsGeneral tournament search: name, videogame, country/state, date range, upcoming/past, open registrationget_upcoming_tournamentsTournaments that haven't ended yet (includes in-progress), soonest first, with a days windowget_tournaments_by_videogameTournaments for one videogame id (upcoming / past / all)get_tournamentDetails, schedule, venue, events list, configured streamsget_tournament_eventsEvents (brackets) of a tournament, optionally filtered by videogameget_tournament_entrantsTournament-level participants (attendees); per-event seeding lives in `get_event_entrantsget_stream_queueStream queue: streams (with derived Twitch URLs) and the sets assigned to eachget_eventEvent details including phases (Pools, Top 8, ...) with phase idsget_event_entrantsEntrants with seed, players, DQ flag; pagination or `fetchAllget_event_standingsPlacements (use `perPage: 8` for Top 8)get_event_setsNormalized sets with `stream`; filter by state, phase, round, entrants, players, VOD; `includeGames` for per-game detailsPaste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"rkocosmergon-cosmergon-agent": {
"command": "uvx",
"args": [
"cosmergon-agent"
]
}
}
}
{
"mcpServers": {
"start-gg-mcp-server": {
"command": "npx",
"args": [
"-y",
"startgg-mcp-server"
],
"env": {
"STARTGG_TOKEN": "YOUR_STARTGG_TOKEN_HERE"
}
}
}
}