Autosearch
★ 22
vs
semble
★ 4.5k
Autosearch vs semble
Autosearch: AutoSearch is an open-source deep research infrastructure for AI agents. It provides MCP-native access to over 40 channels, including 10+ Chinese sources, enabling multi-source search with indexed and ranked results. It remains uncoupled from LLM calls, allowing agents to keep their own models and workflows.; 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 Autosearch if…Research the latest academic papers and preprints on arxiv
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
Autosearch01Multi-source search across 40+ channels including academic, developer, and Chinese social media
02MCP-native integration with AI agents like Claude Code, Cursor, and Cline
03Deduplicated and ranked results with source URLs
04Most channels work out of the box; some require API keys or login
05One-line installation via npx or curl
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
Autosearch↳Research the latest academic papers and preprints on arxiv
↳Find real user experiences and discussions on Reddit and Hacker News
↳Compare opinions across platforms like Twitter vs Chinese tech forums
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
AutosearchTrendingLLM InfraDev Tooling
sembleCode AssistantRAG / Knowledge Base
FAQ
FAQ
What is the difference between Autosearch and semble?
Both Autosearch and semble are in the Dev Tooling category. Autosearch has 22 stars, while semble has 4.5k stars.
Which is better, Autosearch or semble?
The best choice depends on your use case. Choose Autosearch if Research the latest academic papers and preprints on arxiv, and semble if Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities.
Is Autosearch free or open source?
Yes, Autosearch is open source on GitHub (MIT).
Is semble free or open source?
Yes, semble is open source on GitHub (MIT).
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