---
schema_version: "newruntime-agent-readable-v0.1"
type: "capability_delta"
slug: "shared-context-portability"
title: "Shared context lets AI clients stop starting from zero"
description: "A separate context layer lets multiple AI clients read shared project context without a human manually copying memory."
status: "published"
observed_at: "2026-07-21"
before_capability: "Each AI client learns the project separately and loses context when the user switches tools."
enabling_change: "A shared MCP-compatible context layer exposes structured memory outside one client."
after_capability: "Different agents can reuse the same governed project context."
human_consequence: "The user spends less time carrying decisions, architecture notes, and preferences between Claude, Codex, Cursor, and other clients."
verification_level: "source-inspected"
buildability_class: "B1"
bottleneck: "Governance, provenance, write permissions, and stale memory handling remain product-hard."
related_shift: "shared-context-infrastructure"
related_posts: ["unabyss-shared-context-layer"]
topics: ["context-engineering","mcp"]
source_urls: ["https://unabyss.com/","https://www.producthunt.com/products/unabyss"]
featured: false
routes: {"html":"https://newruntime.com/deltas/shared-context-portability/","markdown":"https://newruntime.com/deltas/shared-context-portability.md","json":"https://newruntime.com/deltas/shared-context-portability.json"}
source_format: "markdown"
---

# Shared context lets AI clients stop starting from zero

This delta is source-inspected, not workflow-tested. It should live as an early
signal, not as a claim that shared context has already become standard
infrastructure.