openislands
★ 19
vs
semble
★ 5.7k
openislands vs semble
openislands: Local-first dashboards your AI agent builds and keeps maintaining, over data that never leaves your machine.; semble: Semble is a high-performance code search library designed for AI agents, providing instant access to precise code snippets. It offers significantly faster indexing and querying compared to transformer models, achieving 99% of their retrieval quality while running entirely on CPU without external dependencies.
01
TL;DR
Choose openislands if…you need agent-tools capabilities
Choose semble if…Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
02
Side-by-Side Comparison
03
Features
openislands—
semble01Fast performance on CPU (indexes in ~250ms, queries in ~1.5ms)
02High accuracy (NDCG@10 of 0.854), comparable to transformer models
03Supports indexing local paths and remote Git repositories
04Functions as an MCP server for various AI agents
05Zero setup, no API keys, GPU, or external services required
04
Use Cases
openislands—
semble↳Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
↳Searching local or remote codebases for specific code snippets based on natural language or code queries
↳Finding semantically similar code sections related to a given file path and line number
05
Best For
openislands—
sembleCode AssistantRAG / Knowledge Base
FAQ
FAQ
What is the difference between openislands and semble?
Both openislands and semble are in the MCP Servers category. openislands has 19 stars, while semble has 5.7k stars.
Which is better, openislands or semble?
The best choice depends on your use case. Choose openislands if you need agent-tools capabilities, and semble if Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities.
Is openislands free or open source?
Yes, openislands is open source on GitHub (MIT).
Is semble free or open source?
Yes, semble is open source on GitHub (MIT).
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