Cortex is a Claude Code plugin that gives Claude persistent memory across sessions. A background miner extracts durable lessons (decisions, conventions, bug fixes, preferences) from your completed sessions, stores them as markdown in an Obsidian vault, and automatically surfaces relevant ones at the start of each new session via a query-tailored briefing.
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process.env. You'll be asked to provide them before it can run.MEMEM_COMPACT_INDEX_LIMITMEMEM_SESSION_START_PROJECTMEMEM_OBSIDIAN_VAULT— You can point memem elsewhere via MEMEM_DIR and env vars.MEMEM_EVAL_VAULT_OVERRIDEMEMEM_EVAL_CAPTUREMEMEM_HAIKU_TIMEOUTMEMEM_FSYNCMEMEM_DIR— You can point memem elsewhere via and MEMEM_OBSIDIAN_VAULT env vars.MEMEM_DREAM_AUTOCORTEX_OBSIDIAN_VAULTMEMEM_VAULTCORTEX_VAULTMEMEM_FRONTMATTER_STRICTMEMEM_RERANK_MODELCORTEX_DIRMEMEM_TELEMETRY_SOURCEMEMEM_INJECTION_MODEMEMEM_RECALL_MIN_ITEM_SCORE— 0.0 — per-item composite-score floor for recall results (0.0 = disabled).MEMEM_WRITEBACK_ENABLEDCLAUDE_PLUGIN_ROOT[](https://m8ven.ai/mcp/tt-wang-memem-1ri2b9)