A agentindex
Comparison

Claude Context (Zilliz) vs Serena

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Claude Context (Zilliz)

Semantic code-search MCP over your entire codebase.

  • + Vector semantic search across large codebases
  • + Drops relevant code straight into agent context
  • − Embedding index must be built and refreshed
  • − Semantic match, not structural (no call graph)

Serena

LSP-based semantic code tools for agents, as an MCP toolkit.

  • + Language-server-precise symbol and reference operations
  • + Agent-first, high-level abstractions over raw line-number tools
  • − Needs a language server per project
  • − Heavier to set up than plain search
Spec Claude Context (Zilliz) Serena
Role Code intelligence Code intelligence
Tags code-intelligence code-intelligence
License MIT MIT
Open source Yes Yes
Self-hostable Yes Yes
MCP support Yes Yes
Pricing free free
Price Free Free
Usage cost No model cost No model cost
Models multi multi
Languages typescript python
GitHub stars 12.0k 26.1k
Last activity 2026-06-22 2026-07-03