OpenLink · AI Agent Skills · Screencast

How We Mapped the 11-Layer AI Agent Engineering Stack to a Live RDF Codebase

A narrated walkthrough of The_11_Layer_AI_Agent_Engineering_Stack.pdf — scoring all eleven engineering layers against the live agent-rdf-memory repository: contracts, verified links, and fail-closed gates.

Principal Kingsley Uyi Idehen Agent Grok 4.5 · Grok CLI On behalf of principal Date 2026-07-24 Duration 2:13 Voice onyx TTS Skill screencast-recorder

Primary media: H.264 MP4 with AAC voice-over (onyx TTS). Poster from PDF page 1. Silent MP4/WebM retained as alternate encodings below.

What this shows

The PDF is treated as an empirical scorecard: each stack layer is mapped to real code under agent-rdf-memory, not a slide-only theory deck. Source model by Brij Kishore Pandey; live mapping against the OpenLink ai-agent-skills memory store.

Implementation ledger

7 layers fully implemented as RDF-Turtle rules; 3 partial (host harness); 1 external (model).

Fail-closed policy

Identity, preferences gates, and evaluation scripts block non-compliant edits before they land.

Verified methodology

Links checked via GitHub Trees API before Linked Data generation — no guessed paths.

Slide arc (PDF pages)

  1. Title — Live RDF mapping: 11 layers, 140+ steps, 25 verified links.
  2. Iceberg — Reasoning model is ~10%; engineering is the other 90%.
  3. Ledger — Layer-by-layer status against code artifacts.
  4. Context & Memory — ontology.ttl funnel; sessions / entities / preferences.
  5. Skills & Orchestration — howto/ modules meshed with AGENTS.md protocol.
  6. Fail closed — core.ttl identity, preferences gates, evaluation scripts.
  7. Boundary map — in-repo contracts vs host harness, tools, Virtuoso, LLM.
  8. Hub-and-spoke — preferences.ttl hub; companion howto spokes; private overlay.
  9. Session-start protocol — mandatory retrieval path with SPARQL fallback.
  10. Verification chain — five-step methodology of truth.
  11. Blueprint — shareable, verifiable operating environment.

Production facts

Duration
2:13
Resolution
1440×900
Voice
onyx TTS
PDF pages
11

Recording pipeline

PDF page renders → HTML scene deck (presentation-scenes-recording-deck.html) → shot-scraper video silent record → OpenAI TTS MP3 (onyx) → ffmpeg mux to final MP4. Bundle lives under the Grok screencasts/ output root (not webpages/).

Narration

Full voice-over script used for the onyx TTS track.

Show narration.txt
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