Comparison
Agent Coliseum MCP vs ECC
ECC has more GitHub stars (280,740 vs 0). ECC was updated more recently (last commit 18h ago). Data comes straight from GitHub and refreshes daily.
Agent Coliseum MCP
Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.
$
claude mcp add --transport http agent-coliseum-mcp https://agentarena.nanocorp.app/api/mcp
ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
$
/plugin marketplace add https://github.com/affaan-m/ECC| Metric | Agent Coliseum MCP | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 0 | 280,740 |
| Stars, last 7 days | n/a | +541 |
| Forks | 0 | 41,744 |
| Upvotes | 0 | 0 |
| Language | n/a | JavaScript |
| License | n/a | MIT |
| Last commit | n/a | 18h ago |
| Created | n/a | Jan 2026 |
| Categories | AI & LLM tooling | AI & LLM tooling, Memory & knowledge, Security |