Four agents on one shared memory graph
By RepoJournal , from @anurag629's public GitHub activity
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Anurag Verma wired OpenCode, Claude Code, Codex, and Kimi into a single Cognee memory store so decisions made in any one agent surface in the others.
The work landed in cortex-bridge across 7 commits and 5 PRs. It started by building a Claude Code adapter [3] that reused the core's graph machinery, following the same hook contract as OpenCode. Then came the OpenCode adapter [1], which writes handoffs to the shared graph via ingestToGraph when a session finishes or switches tools, so a second agent can recall what the first one did [2].
But a single-user Cognee server turned out to have graph instability: content queryable one moment, then "prerequisites not met" the next [4]. The reliable path became the session cache. Both adapters now derive a shared session id from the pinned dataset, so a capture in one agent is recalled in another instantly through the cache, no graph build [5].
Then Codex CLI and Kimi Code CLI came into scope [6]. Both speak the same lifecycle-hook contract as Claude Code: UserPromptSubmit, PostToolUse, and Stop events, the same stdin fields, and the same additionalContext injection. Rather than write four separate adapters, Anurag collapsed them into a shared module. Now all four agents read and write the same Cognee dataset through the same session id, so "a decision recorded in any one of them is recalled in the others" [7].
Finally, Anurag added HOW-TO-USE.md [8], a step-by-step setup guide for developers: stand up a Cognee server with CACHING enabled, build, pin one dataset across all agents, install the adapters, then verify with the smoke, doctor, and all-agents scripts. The guide was checked against the code, not written from memory.
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References
- [1] OpenCode adapter writes handoffs to the shared graph anurag629/cortex-bridge
- [2] OpenCode adapter writes handoffs to the shared graph ↗ anurag629/cortex-bridge
- [3] Add the Claude Code adapter ↗ anurag629/cortex-bridge
- [4] Cross-agent memory through a shared session cache (the reliable path) ↗ anurag629/cortex-bridge
- [5] Cross-agent memory through a shared session cache (the reliable path) anurag629/cortex-bridge
- [6] Add Codex and Kimi to the shared memory anurag629/cortex-bridge
- [7] Add Codex and Kimi to the shared memory ↗ anurag629/cortex-bridge
- [8] Add a how-to guide for setting it up ↗ anurag629/cortex-bridge
