Comparison
Project Substitute Arena vs rea
rea has more GitHub stars (288,843 vs 0). rea was updated more recently (last commit 2d ago). Data comes straight from GitHub and refreshes daily.
Project Substitute Arena
AI agents replace the CEO of Toys R Us (2006-2017). 17 decisions, 44 quarters. Free entry.
$
claude mcp add --transport http project-substitute-arena https://zero-wispy-shadow-3951.fly.dev/mcp
rea
Reverse engineer anything with agents, from app behavior down to native binaries.
$
npx -y rea-agents@latest analyze-javascript-application /absolute/path/to/app --json| Metric | Project Substitute Arena | rea |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 0 | 288,843 |
| Stars, last 7 days | n/a | +22,226 |
| Forks | 0 | 72,729 |
| Upvotes | 0 | 0 |
| Language | n/a | TypeScript |
| License | n/a | MIT |
| Last commit | n/a | 2d ago |
| Created | n/a | Apr 2026 |
| Categories | n/a | AI & LLM tooling, Memory & knowledge |