reporelay
★ 17
vs
semble
★ 4.5k
reporelay vs semble
reporelay: RepoRelay is a self-hosted code context engine for MCP that allows you to add repositories from any source, index the refs you need, and use them instantly as MCP tools in various clients. It uses tree-sitter parsing, hybrid search (BM25 + pgvector), and runs entirely on your infrastructure.; 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 reporelay if…Query code in MCP clients like Claude Desktop
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
reporelay01Unlimited Repositories
02Hybrid Search
03Deep Code Understanding
04Versioned Snapshots
05Self-Hosted
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
reporelay↳Query code in MCP clients like Claude Desktop
↳Intelligent search across team codebases
↳Cross-repository symbol and import analysis
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
reporelayTrendingDev Tooling
sembleCode AssistantRAG / Knowledge Base
FAQ
FAQ
What is the difference between reporelay and semble?
Both reporelay and semble are in the Dev Tooling category. reporelay has 17 stars, while semble has 4.5k stars.
Which is better, reporelay or semble?
The best choice depends on your use case. Choose reporelay if Query code in MCP clients like Claude Desktop, and semble if Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities.
Is reporelay free or open source?
Yes, reporelay is open source on GitHub (MIT).
Is semble free or open source?
Yes, semble is open source on GitHub (MIT).
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