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Alternatives

Products that do what Contextify - ctxfy.com does

Scale Your Context. Keep Your State.

  1. 1IB
  2. 2
    Memdex276

    Turn every AI conversation into reusable local memory

    May 2026 · memdex.ai

  3. 3

    Reusable AI Memory for Smarter Prompts Anywhere

    Nov 2025

  4. 4CA

    ctx is a local SQLite-backed skill for Claude Code and Codex that stores context as a persistent workstream that can be continued across agent sessions. Each workstream can contain multiple sessions, notes, decisions, todos, and resume packs. It essentially functions as a /resume that can work across coding agents. Here is a video of how it works: https://www.loom.com/share/5e558204885e4264a34d2cf6bd488117 I initially built ctx because I wanted to try a workstream that I started on Claude and continue it from Codex. Since then, I’ve added a few quality of life…

    Apr 2026 · github.com

  5. 5CS

    Coding agents don't have long-term memory. But you do have months of full-fidelity agent transcripts stored on your machine. A simple solution that goes a long way: ingest those transcripts and logs into a structured SQLite database, then search them with ranked text match. Everything is fully local and doesn't require anything fancy like a graph database or hosted memory service. This is the idea behind ctx, a Rust CLI that handles the ingestion and searching. We give our agents a skill that tells them to reference past sessions before working in an area. Usually we do this through an…

    Jul 2026 · github.com

  6. 6CA

    Current AI chat assistants face a fundamental challenge: context management in long conversations. While current LLM apps use multiple separate conversations to bypass context limits, a truly human-like AI assistant should maintain a single, coherent conversation thread, making efficient context management critical. Although modern LLMs have longer contexts, they still suffer from the long-context problem (e.g. context rot problem) - reasoning ability decreases as context grows longer. Memory-based systems have been invented to alleviate the context rot problem, however, memory-based…

    Nov 2025

  7. 7

    Persistent, structured memory for AI Agents

    Jan 2026 · mnexium.com

  8. 8

    One shared context for all your AI agents

    Jun 2026 · ctxshare.com

  9. 9

    Persistent AI Memory Layer

    Nov 2025

  10. 10
    efitter85

    A chatbot Chrome extension that predicts your clothing size

    2021

  11. 11CA
  12. 12AW

    I've been presenting at local meetups about Context Engineering, RAG, Skills, etc.. I even have a vbrownbag coming up on LinkedIn about this topic so I figured I would make a basic example that uses bedrock so I can use it in my talks or vbrownbags. Hopefully it's useful.

    Apr 2026 · github.com

  13. 13IM

    It’s written in Python and I call it GoalChain. It lets you build a conversation flow graph that the user traverses. When there’s enough input it spits out a dictionary with the defined fields. Otherwise it will jump state to state as led by the user. It was fun to write, and it’s surprisingly effective if you keep in mind you’re prompt-engineering every string and field name. README.md has a mini-tutorial. Would be cool to get some ideas for how to build it further and what improvements I could make.

    2024 · github.com

  14. 14

    Control what AI agents know before they act

    13d ago · github.com

  15. 15MB

    Hey HN! We're Deshraj and Taranjeet. We've been building working on a startup called Mem0, building an open-source memory layer for AI apps and agents (https://news.ycombinator.com/item?id=41447317). We also kept running into our own daily frustrations with AI assistants forgetting everything between conversations. Over a weekend, we decided to hack together a Chrome extension to solve this for ourselves. The problem was simple: we were constantly re-explaining our context across platforms when switching between ChatGPT, Claude, and Perplexity. Start a coding discussion in…

    2024 · github.com

  16. 16
    ctx4

    Keep your AI coding sessions alive.Never lose context again.

    Jun 2026 · github.com

  17. 17LP

    I was not getting good cache utilization when including dynamic context in agent threads. After a lot of experimentation, I found a good pattern that minimizes how often long lived conversation history gets modified while still supporting dynamic context. It has flexible hooks for doing things like truncating or summarizing tool outputs when transitioning messages to the long term history. And I'm seeing >>90% of tokens hitting the cache for my agents despite including a lot of dynamic user context. There are a wide range of agent prompting strategies so I'd love to hear where this library…

    Jun 2026 · github.com

  18. 18

    All your AI tools. One context. Powered by MCP.

    Apr 2026 · contextaify.com

  19. 19UA

    Hey HN! I'm Fabio and I built UltraContext, a simple context API for AI agents with automatic versioning. After two years building AI agents in production, I experienced firsthand how frustrating it is to manage context at scale. Storing messages, iterating system prompts, debugging behavior and multi-agent patterns—all while keeping track of everything without breaking anything. It was driving me insane. So I built UltraContext. The mental model is git for context: - Updates and deletes automatically create versions (history is never lost) - Replay state at any point The API is 5 methods:…

    Jan 2026 · ultracontext.ai

  20. 20

    The context layer between your files and your AI Agents

    Jun 2026 · ctxd.dev

  21. 21CC

    agents. Not a custom truncation strategy, not a sliding window, not dropping old messages and hoping for the best. The failure mode is well-understood: your context window fills up, you truncate from the top, and the agent loses the thread. It forgets the task it was working on, the file path it just wrote to, the UUID it needs to reference. The conversation breaks. The problem is everyone keeps solving it by throwing away information instead. Truncation is fast to implement and quietly wrong. The agent appears to work until it doesn't, and debugging context loss in a long-running session is…

    Mar 2026 · github.com

  22. 22
    Torqon4

    Persistence Context for LLMs with inbuilt Token Reduction

    Jul 2026 · torqon.dev

  23. 23

    Keep full context across ChatGPT sessions automatically

    May 2026 · chromewebstore.google.com

  24. 24

    Local, portable, + open source context across all LLMs

    Jun 2026

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