AgentIndex icon
AgentIndex
Ctxo logo
Ctxo
★ 72
vs
Context7 logo
Context7
★ 63.5k

Ctxo vs Context7

Ctxo: Ctxo indexes your codebase into a deterministic graph of symbols, edges, and git history, exposed through 14 semantic MCP tools. It enables AI agents to proactively understand code context, blast radius, and git intent, preventing common mistakes like missing inheritance or reintroducing bugs.; Context7: Context7 is an MCP server that injects up-to-date, version-specific library documentation directly into LLM prompts. Add "use context7" to any coding prompt and it fetches current docs for the library you're working with, eliminating hallucinated APIs and outdated code examples. Works with Claude Desktop, Cursor, Windsurf, and any MCP-compatible editor.

01

TL;DR

Ctxo logo
CtxoCode Assistant · ★ 72

Assist AI agents in understanding code before editing

Read Ctxo full review →
Context7 logo
Context7Code Assistant · ★ 63.5k
When to choose:
  • You use Cursor, Claude Code or another coding agent with fast-moving public libraries and want current, version-specific docs and examples.
  • You want the least setup: `npx ctx7 setup` signs you in and configures the skill or MCP server for your agents.
  • You want to work with or without MCP: the CLI plus skill mode fetches docs without an MCP server.
When to skip:
  • You need docs for internal or private libraries: a self-hosted index fits better.
  • Your data policy rules out sending queries to an external service: requests go to Upstash's hosted backend.
  • You need a fully open-source stack: only the MCP server is open source; the API backend, parser and crawler are private.
Read Context7 full review →
02

Side-by-Side Comparison

Field
Ctxo logoCtxo
Context7 logoContext7
Category
Code Assistant
Code Assistant
Stars
★ 72
★ 63.5k
License
MIT
MIT
Install Command
npx @ctxo/init && npx @ctxo/cli index
npx ctx7 setup
Updated
2d ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
ai-coding, claude, code-intelligence
LLM, Code Generation, API Documentation
03

Features

Ctxo logoCtxo
01Proactive code context via deterministic graph index
0214 semantic MCP tools for code understanding
03Interactive visualizer for dependency graph
04File watcher and git hook integration for fresh index
05Automatic language detection and plugin installation
Context7 logoContext7
01Fetches current, version-specific library documentation on demand
02Add "use context7" to any prompt — zero additional configuration
03Covers thousands of popular libraries with up-to-date docs
04Works as a hosted MCP server (no local install required)
05Integrates with Claude Desktop, Cursor, Windsurf, and VS Code
04

Use Cases

Ctxo logoCtxo
↳Assist AI agents in understanding code before editing
↳Perform blast radius analysis before refactoring
↳Review git history with intent classification
Context7 logoContext7
↳Preventing LLMs from hallucinating deprecated or non-existent API methods
↳Getting accurate code examples for the exact library version in use
↳Keeping AI coding assistants up-to-date across fast-moving frameworks
05

Best For

Ctxo logoCtxo
—
Context7 logoContext7
Most PopularEssentialTrending
FAQ

FAQ

What is the difference between Ctxo and Context7?
Both Ctxo and Context7 are in the Code Assistant category. Ctxo has 72 stars, while Context7 has 63.5k stars.
Which is better, Ctxo or Context7?
The best choice depends on your use case. Choose Ctxo if Assist AI agents in understanding code before editing, and Context7 if Preventing LLMs from hallucinating deprecated or non-existent API methods.
Is Ctxo free or open source?
Yes, Ctxo is open source on GitHub (MIT).
Is Context7 free or open source?
Yes, Context7 is open source on GitHub (MIT).
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Related

Alternatives to Ctxo →Alternatives to Context7 →Ctxo details →Context7 details →Context7 vs git-mcp →Context7 vs docs-mcp-server →