ctx

ai-context-bridge

Stop re-explaining your code. Switch between AI coding tools in 10 seconds.
MCP server • Claude Code plugin • Session search • 11 AI tools • Zero dependencies

npm i -g ai-context-bridge

The Problem

You're deep in a coding session with Claude Code. Rate limit hits. You can't even run a save command — the session is dead. Switch to Cursor? You'd have to re-explain everything from scratch.

76% of developers now use 2+ AI coding tools (Stack Overflow 2025). If you switch 3-5 times a day, that's 45-75 minutes wasted re-explaining context every single day.

Working on multiple projects side by side? Every tool has its own config format. Context doesn't transfer.

The Solution

Three steps. Then it's autonomous forever.

# 1. Install
npm i -g ai-context-bridge

# 2. Initialize
cd my-project
ctx init                # Private repos — stores context in .ctx/ inside the project
ctx init --external     # Public repos — stores context in ~/.ctx-global/ (zero files in repo)

# 3. Work normally. Context auto-saves on every commit.
#    When a rate limit hits, resume prompts are already waiting:
#    .ctx/resume-prompts/cursor.md
#    .ctx/resume-prompts/codex.md
#    .ctx/resume-prompts/claude.md

See it in action

ctx init

ctx switch

How It Stays Autonomous

Trigger	What Happens	You Do Nothing
git commit	Auto-saves context, refreshes all resume prompts	Yes
git checkout	Updates branch context, refreshes prompts	Yes
git merge	Updates context with merge state	Yes
ctx watch	Background watcher refreshes every 30s + on file changes	Yes
Rate limit hits	Resume prompts already in .ctx/resume-prompts/	Just open & paste

The Rate Limit Scenario (Solved)

Before ctx: Rate limit hits → session dead → open Cursor → re-explain everything → 15 min wasted

With ctx: Rate limit hits → open .ctx/resume-prompts/cursor.md → paste into Cursor → keep working in 10 seconds

Key Features

Autonomous Context Saving

Git hooks auto-save your session on every commit, checkout, and merge. Resume prompts for all 11 tools are pre-generated and always ready. Zero workflow change required — rate limit recovery is instant.

External Storage for Public Repos

ctx init --external stores all context data in ~/.ctx-global/ instead of the project directory. Zero ctx files in your repo — perfect for open-source contributors who don't want to push session data accidentally.

Multi-Project Dashboard

ctx projects list shows all your initialized projects with branch, task, and last activity. Track your entire dev workflow across repos from one place.

Projects (2)
  project-a [feature/auth] (live)
    ~/project-a (git) — Implementing JWT auth
    Last active: 5m ago

  project-b [main] (live)
    ~/project-b (git) — Building dashboard
    Last active: 2h ago

Session Search

ctx search <query> uses TF-IDF ranking to find any past session by keyword. Filter by branch, see relevance scores, and find exactly what you were working on last Tuesday.

MCP Server

ctx-mcp exposes 5 tools to any MCP client — Claude Desktop, Windsurf, or any app that speaks the Model Context Protocol. Save, switch, search, and check status without leaving your AI tool.

Claude Code Plugin

Install with claude plugin install ctx@ai-context-bridge to get /ctx:save, /ctx:switch, /ctx:status, and /ctx:search as slash commands inside Claude Code. Context portability without switching windows.

Supported Tools (11)