Semble vs Code Index MCP
Both are code understanding MCP servers, and we ran both through the same test (find definition) in each app. Semble passed 4 of 4 apps we tested it in; Code Index MCP passed 4 of 4.
Test results side by side
| Semble | Code Index MCP | |
|---|---|---|
| Claude Code | Passed 2026-10-22 | Passed 2026-10-21 |
| Cursor | Passed 2026-10-22 | Passed 2026-10-21 |
| Claude Desktop | Passed 2026-10-22 | Passed 2026-10-21 |
| ChatGPT (Codex) | Passed 2026-10-22 | Passed 2026-10-21 |
| Tools exposed (protocol check) | 2 tools | 14 tools |
| GitHub stars | 6,253 | 1,003 |
| License | MIT | MIT |
| Last push | 2026-10-16 | 2026-07-27 |
Results from our own harness runs, dated per cell. Stars and last push from GitHub at our last data refresh. We don’t pick a winner here: which one fits depends on your app and setup.
What each does
Semble: Fast code search for agents that returns the relevant code instead of grep-and-read loops, aiming to use far fewer tokens. Includes an MCP server.
Code Index MCP: Helps the agent index, search and analyze a code repository with minimal setup.
