engram: Hybrid long-term memory plugin for OpenClaw agents — SQLite+FTS5 for structured facts, LanceDB for semantic

by NanoFlow-io · Codex Skill · ★ 98

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How to install engram

git clone https://github.com/NanoFlow-io/engram.git

Taken from the project's README on GitHub. Check the security audit before running it.

Security audit verdict: SAFE · quality 66/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

ai-agentsembeddingslancedbmemoryopenclawragsqlitetypescript

Quick Facts

Stars98
Forks1
LanguageTypeScript
CategoryCodex Skill
LicenseMIT
Quality Score66/100
Last Updated2026-06-08
Created2026-05-20
Platformsnode
Est. Tokens~3k

About engram

Engram engram (n.) — the physical/biochemical trace a memory leaves behind. The thing that makes "remembering" actually possible. Engram is the hybrid long-term memory plugin for OpenClaw agents. It gives your agent a brain that doesn't forget between sessions — backed by SQLite + FTS5 for exact, structured recall and LanceDB for fuzzy semantic search over embeddings.

Compatible Skills

These tools work well together with engram for enhanced workflows:

  • openclaw-engram — semantic(0.41)+complementary+same_lang+similar_pop+shared_platform (59%)
  • memX — semantic(0.40)+complementary+same_lang+similar_pop+shared_platform (59%)

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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