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Shared project memory for people and AI agents
Stop starting AI agents cold.

ContextStream turns repo decisions, guardrails, prior fixes, runbooks, and agent corrections into shared project memory your next AI coding session can use before it touches the repo.

Start with one repo. Capture real decisions. Let the next session pick them up.

90.0%
LongMemEval-S

Full 500-run result: matches Zep, beats supermemory.

96%
Agent task success

Same agent and repo, memory connected: 23/24 vs 14/24.

9/9
Memory-only tasks

Passed when the needed runbook or decision was not in code.

Read the benchmark results →
the same loop, in motion
ContextStream · in action
01 The problem

Your project already learned this. Your next agent has not.

When an engineer corrects an agent, explains a repo convention, fixes a bug, or writes a runbook, that context usually stays trapped in a chat, doc, or person’s head. The next AI coding session starts from zero and repeats work your team already did.

Corrections evaporate

“Don’t do that again” lives in one chat session. The next agent makes the same mistake on the same files.

Decisions go stale in docs

Why you chose this auth flow or that queue is written down somewhere — just not where an agent will look before acting.

Every session starts cold

Each run re-derives repo conventions, re-reads the codebase, and re-asks questions your project already answered.

02 How it works

Capture once. Reuse before the next run.

ContextStream keeps project memory alive across people, tools, sessions, and AI agents.

01

Capture

Save decisions, lessons, runbooks, docs, tasks, sessions, and corrections from real work.

02

Scope

Keep context tied to the right project, repo, workspace, team, or client.

03

Retrieve

Surface the right memory before an agent acts.

04

Compound

Every correction, fix, and decision makes the next session better.

04 Works with your stack

Built for Claude Code, Cursor, Codex, Cline, Windsurf, and MCP workflows.

ContextStream ships as an MCP server, so the same project memory follows you across tools — switch agents without losing what your project knows.

Claude CodeCursorCodexClineWindsurfMCP clients

See setup for each tool in the download guide.

From a real session
We asked: “How did ContextStream help you today?”

Unedited feedback from Claude Fable 5 Max after a production engineering session running on ContextStream.

“It genuinely made me faster.”

“After a mid-day context wipe, the plan, runbook, decisions, and snapshots let me reconstruct exact state without re-deriving anything. The final epic ticket took minutes because everything already existed as referenceable IDs instead of tribal knowledge. And when I saw a parallel session’s commit land, I pivoted instead of colliding — that’s continuity acting as a coordination plane, not just memory.”

Claude Fable 5 Max
AI agent
Pilot it
Test it on one active repo.

Start with a small workspace. Capture a few real decisions, runbooks, and agent corrections, then test whether the next AI coding session starts with the right context.

06 Control

Scoped, controlled, and built for real engineering work.

Project memory is only useful if you control what goes in, who can see it, and where it travels.

Scoped by default

Memory is tied to a workspace, project, or repo. Client and team contexts stay separate.

Workspace controls

Decide what gets captured, what gets shared, and which surfaces an agent can read from.

Revocable sharing

Capsules and shared context can expire or be revoked — handing off context isn’t handing over the keys.

More on security and trust.

Give the next AI session the context your project already knows.

Capture decisions, guardrails, prior fixes, runbooks, and agent corrections once. Reuse them across future agents, tools, and teammates.