engram
docs · demos · showcase 24s
scene 01 · without engram
Claude Code · session log
→ Read · src/auth.ts 5,400
→ Read · src/auth.ts (again) +5,400
→ Read · src/auth.ts (again) +5,400
→ Read · src/auth.ts (again) +5,400
cumulative tokens 5,400 ↑ same file, 4 reads, 4× the cost
Your AI agent re-reads the same files.
Every session. Every time.
scene 02 · 30 seconds
~ · zsh engram install
$npm install -g engramx ↳ added engramx@2.0.2 in 4s $cd ~/my-project $engram init ↳ indexed 451 nodes · 1005 edges $engram install-hook ↳ ✓ 7 hooks installed · hud label active ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Three commands. No accounts. No cloud.
scene 03 · with engram

// agent

Read('src/auth.ts')
requesting source…
▸

// engram sentinel

PreToolUse · intercepted
graph query · 8 providers
packing context packet…
deny + reason
▸

// agent receives

structure · decisions · git ·
mistakes · library docs
~500 tokens · vs 5,400
↓ 11×
Hooks at the boundary. Returns a context packet, not the file.
scene 04 · result · session totals
tokens saved 88.1% ↓ 86.0K saved this session
cost saved · $3/M $0.26 ↓ vs raw-Read baseline
graph health 451 / 1005 nodes / edges · 96% extracted
⚠ mistake memory — auth.ts: don't add NOT NULL without backfill (caught 2026-03-04)
88.1% fewer context tokens. $0 cloud. Persistent memory.
  1. → Read · auth.ts 5,400 → Read · auth.ts (again) +5,400 → Read · auth.ts (again) +5,400 → Read · auth.ts (again) +5,400 21,600 CUMULATIVE TOKENS
    scene 01 · problem

    Your agent re-reads the same files

    Every session. Every time. The cost compounds.

  2. $ npm install -g engramx $ engram init $ engram install-hook ✓ 7 hooks installed ✓ hud label active ━━━━━━━━━━━━━━━━━━━━━━━━━━
    scene 02 · install

    Three commands. Thirty seconds.

    No accounts. No cloud. Local SQLite.

  3. agent Read(auth.ts) sentinel PreToolUse deny + packet ~500 tok ↓ 11×
    scene 03 · intercept

    Hooks at the boundary

    Returns a context packet, not the file. ~500 tokens vs 5,400.

  4. TOKENS SAVED 88.1% COST SAVED $0.26 GRAPH HEALTH 451 / 1005 ⚠ MISTAKE MEMORY auth.ts — don't add NOT NULL without backfill
    scene 04 · result

    88.1% fewer context tokens · $0 cloud

    Mistake memory surfaces past regressions at the top of every query.

Render to MP4: this file is the source. Run npx hyperframes render --input docs/demos/showcase.html --output docs/demos/showcase.mp4 --width 1280 --height 720 --fps 30 --duration 24 — see demos/README.md for the full guide.