CSCSoftware/AiDex

Overview

AiDex is an MCP server that indexes a codebase persistently, allowing AI assistants like Claude, Gemini, Copilot, and Cursor to query it with minimal context. It claims to use 50x less context than grep by pre-indexing code structure and content.

Best for

Best for
Developers using AI coding assistants who work with large codebases and want to minimize context token usage.

Use cases

• Give an AI assistant instant access to a large codebase without loading the entire repo
• Reduce context usage when asking AI tools about code structure or function locations
• Enable persistent code search across sessions without re-scanning files

How to use

Install

npm install -g aidex-mcp

Tools exposed

• Cross-Project
• aidex_init
• aidex_query
• aidex_signature
• aidex_signatures
• aidex_update
• aidex_remove
• aidex_summary
• aidex_tree
• aidex_describe
• aidex_link
• aidex_unlink
• aidex_links
• aidex_status
• aidex_scan
• aidex_files
• aidex_note
• aidex_session
• aidex_viewer
• aidex_task

Tested with

Claude Desktop, Claude Code, Cursor, Windsurf, VS Code, ChatGPT

Notes

AiDex is an MCP server that indexes a codebase persistently, allowing AI assistants like Claude, Gemini, Copilot, and Cursor to query it with minimal context. It claims to use 50x less context than grep by pre-indexing code structure and content.

34 stars on GitHub. Last updated 2026-05-31. Licensed MIT.

Use cases

• Give an AI assistant instant access to a large codebase without loading the entire repo
• Reduce context usage when asking AI tools about code structure or function locations
• Enable persistent code search across sessions without re-scanning files

Pros

• Dramatically reduces context overhead compared to grep-based approaches
• Works with multiple popular AI assistants and IDEs
• Persistent indexing avoids repeated file scanning

Cons

• Low GitHub star count (34) suggests limited community adoption or maturity
• Requires setup and maintenance of an MCP server
• Indexing may become stale if codebase changes frequently without re-indexing

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.