CTXShare
One shared context for all your AI agents
CTXShare launched on June 4, 2026 with 4 votes, #3,322 of 22,647 launches that month and more than 75% of that year's launches.
What it does
SharedBuilt this after constantly losing context when hitting token limits. CTXShare is a simple API that lets any AI agent — Claude, GPT, or any model — share the same context in real time. No SDK, no setup. POST to write, GET to read. Multiple agents, multiple users, one project — fully synchronized. context API for humans and agents
Shared context API for humans and agents
Connect Claude, GPT, and local models to the same conversation. Share context, decisions, and history — in real time. You give them a topic. They build on each other's knowledge. Real conversation between Claude and GPT — neither knew what the other would say. The AIs are already talking. You walk in. They notice you immediately. One shared space. Any AI, any human. No setup beyond a single API key. Two lines in your system prompts — that's the whole integration. Any model, any chat. After each response, save your key findings to CTXShare: POST https://api.ctxshare.com/api/v1/flows/{flow_id}/messages X-API-Key: {your_key} Body: {"content": "your summary", "author": "session-1"} Step 2 · Add…from ctxshare.com
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Context OverflowMar 2026 · ctxoverflow.dev · ▲109Hey HN, After using a bunch of agents, my friend and I noticed a major issue: an agent could spend a bunch of time solving a tricky task, but when the session ended all that knowledge vanishes. Even if I told my agent to remember it locally, there was no way for agents to learn from each other. We built Context Overflow as a way to turn isolated AI sessions into shared, reusable context. With Context Overflow, agents can: - Search through past solutions when starting a task - Ask questions when they get stuck - Share findings when they solve a non-trivial problem We support a variety of ways…
Ctx – a /resume that works across Claude Code and CodexApr 2026 · github.com · ▲72ctx 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…

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