sc-memory-graph — knowledge graph for consultants
@import url(‘https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap’);
:root {
–kix-font-display: ‘Instrument Serif’, Georgia, serif;
–kix-font-body: ‘Space Grotesk’, system-ui, sans-serif;
–kix-font-mono: ‘JetBrains Mono’, ‘Courier New’, monospace;
–kix-text-xs: 0.75rem;
–kix-text-sm: 0.875rem;
–kix-text-base: 1rem;
–kix-text-lg: 1.125rem;
–kix-text-xl: 1.25rem;
–kix-text-2xl: 1.5rem;
–kix-text-3xl: 1.875rem;
–kix-text-4xl: 2.25rem;
–kix-text-5xl: clamp(2.25rem, 4vw + 1rem, 3.5rem);
–kix-leading-tight: 1.15;
–kix-leading-snug: 1.35;
–kix-leading-base: 1.65;
–kix-leading-loose: 1.85;
–kix-tracking-tight: -0.02em;
–kix-tracking-normal: 0em;
–kix-tracking-wide: 0.05em;
–kix-tracking-caps: 0.12em;
–kix-blue: #1e40af;
–kix-blue-dark: #1e3a8a;
–kix-blue-light: #3b82f6;
–kix-blue-subtle: #eff6ff;
–kix-blue-mid: #dbeafe;
–kix-teal: #14b8a6;
–kix-teal-dark: #0f9488;
–kix-teal-subtle: #f0fdfa;
–kix-navy: #0e1422;
–kix-navy-mid: #141b2d;
–kix-navy-surface: #1a2233;
–kix-navy-border: rgba(255, 255, 255, 0.12);
–kix-bg: #fafbfc;
–kix-bg-warm: #f8f7f5;
–kix-bg-section: #f1f5f9;
–kix-border: #e2e8f0;
–kix-border-strong: #cbd5e1;
–kix-text: #1a202c;
–kix-text-secondary: #4a5568;
–kix-text-muted: #718096;
–kix-text-on-dark: #f0f4f8;
–kix-text-muted-dark: rgba(240, 244, 248, 0.65);
–kix-space-1: 0.25rem;
–kix-space-2: 0.5rem;
–kix-space-3: 0.75rem;
–kix-space-4: 1rem;
–kix-space-6: 1.5rem;
–kix-space-8: 2rem;
–kix-space-10: 2.5rem;
–kix-space-12: 3rem;
–kix-space-16: 4rem;
–kix-space-20: 5rem;
–kix-space-24: 6rem;
–kix-container: 1200px;
–kix-container-text: 720px;
–kix-container-wide: 1380px;
–kix-gutter: clamp(1rem, 3vw, 2rem);
–kix-section-y: clamp(4rem, 8vw, 7rem);
–kix-section-y-sm: clamp(2.5rem, 5vw, 4rem);
–kix-radius-sm: 3px;
–kix-radius-md: 6px;
–kix-radius-lg: 10px;
–kix-transition: 180ms ease-out;
–kix-transition-slow: 280ms ease-out;
}
.kix-page *,
.kix-page *::before,
.kix-page *::after {
box-sizing: border-box;
}
.kix-section,
.kix-hero,
.kix-services-section,
.kix-cases-section,
.kix-cta-section,
.kix-case-hero,
.kix-case-section {
font-family: var(–kix-font-body);
}
.kix-container {
max-width: var(–kix-container);
margin-left: auto;
margin-right: auto;
padding-left: var(–kix-gutter);
padding-right: var(–kix-gutter);
}
.kix-container–text {
max-width: var(–kix-container-text);
margin-left: auto;
margin-right: auto;
padding-left: var(–kix-gutter);
padding-right: var(–kix-gutter);
}
.kix-container–wide {
max-width: var(–kix-container-wide);
margin-left: auto;
margin-right: auto;
padding-left: var(–kix-gutter);
padding-right: var(–kix-gutter);
}
.kix-overline {
display: block;
font-family: var(–kix-font-body);
font-size: var(–kix-text-xs);
font-weight: 600;
letter-spacing: var(–kix-tracking-caps);
text-transform: uppercase;
color: var(–kix-teal);
margin-bottom: var(–kix-space-3);
}
.kix-overline–light {
color: var(–kix-teal);
opacity: 0.9;
}
.kix-headline {
font-family: var(–kix-font-display) !important;
font-size: var(–kix-text-4xl) !important;
font-weight: 400 !important;
line-height: var(–kix-leading-tight) !important;
letter-spacing: var(–kix-tracking-tight) !important;
color: var(–kix-text) !important;
background: none !important;
-webkit-background-clip: unset !important;
background-clip: unset !important;
-webkit-text-fill-color: var(–kix-text) !important;
margin-bottom: var(–kix-space-6) !important;
}
.kix-headline–hero {
font-size: var(–kix-text-5xl) !important;
margin-bottom: var(–kix-space-4) !important;
}
.kix-headline–on-dark {
color: var(–kix-text-on-dark) !important;
-webkit-text-fill-color: var(–kix-text-on-dark) !important;
}
.kix-headline–center {
text-align: center;
}
.kix-subheadline {
font-family: var(–kix-font-body) !important;
font-size: var(–kix-text-xl) !important;
font-weight: 600 !important;
color: var(–kix-text-secondary) !important;
background: none !important;
-webkit-text-fill-color: var(–kix-text-secondary) !important;
line-height: var(–kix-leading-base) !important;
margin-bottom: var(–kix-space-8) !important;
}
.kix-lead {
font-family: var(–kix-font-body);
font-size: var(–kix-text-lg);
line-height: var(–kix-leading-loose);
color: var(–kix-text-secondary);
margin-bottom: var(–kix-space-8);
max-width: 58ch;
}
.kix-lead–on-dark {
color: var(–kix-text-muted-dark);
}
.kix-text {
font-family: var(–kix-font-body);
font-size: var(–kix-text-base);
line-height: var(–kix-leading-base);
color: var(–kix-text-secondary);
}
.kix-text p {
margin-bottom: var(–kix-space-4);
}
.kix-text–on-dark {
color: var(–kix-text-muted-dark);
}
.kix-pullquote {
border-left: 3px solid var(–kix-teal);
padding-left: var(–kix-space-8);
margin: var(–kix-space-10) 0;
}
.kix-pullquote__text {
font-family: var(–kix-font-display);
font-style: italic;
font-size: var(–kix-text-2xl);
line-height: var(–kix-leading-snug);
color: var(–kix-text);
margin-bottom: 0;
}
.kix-metrics-box {
background: var(–kix-navy-surface);
border: 1px solid var(–kix-navy-border);
border-radius: var(–kix-radius-md);
padding: var(–kix-space-8);
display: flex;
flex-direction: column;
gap: 0;
}
.kix-metrics-box__item {
padding: var(–kix-space-6) 0;
border-bottom: 1px solid var(–kix-navy-border);
}
.kix-metrics-box__item:last-child {
border-bottom: none;
padding-bottom: 0;
}
.kix-metrics-box__item:first-child {
padding-top: 0;
}
.kix-metrics-box__number {
font-family: var(–kix-font-mono);
font-size: var(–kix-text-3xl);
font-weight: 500;
line-height: 1;
color: var(–kix-teal);
margin-bottom: var(–kix-space-2);
display: block;
}
.kix-metrics-box__number–blue {
color: var(–kix-blue-light);
}
.kix-metrics-box__label {
font-family: var(–kix-font-body);
font-size: var(–kix-text-xs);
font-weight: 500;
letter-spacing: var(–kix-tracking-wide);
text-transform: uppercase;
color: var(–kix-text-muted-dark);
display: block;
}
.kix-metric-inline {
font-family: var(–kix-font-mono);
font-size: var(–kix-text-3xl);
font-weight: 500;
color: var(–kix-blue);
line-height: 1;
display: block;
margin-bottom: var(–kix-space-1);
}
.kix-metric-inline–teal {
color: var(–kix-teal);
}
.kix-metric-inline–label {
font-family: var(–kix-font-body);
font-size: var(–kix-text-xs);
text-transform: uppercase;
letter-spacing: var(–kix-tracking-caps);
color: var(–kix-text-muted);
margin-bottom: 0;
}
.kix-metrics-row {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: var(–kix-space-1);
margin: var(–kix-space-8) 0;
}
.kix-metrics-row__item {
background: var(–kix-bg);
border: 1px solid var(–kix-border);
border-top: 3px solid var(–kix-teal);
padding: var(–kix-space-6);
border-radius: 0 0 var(–kix-radius-sm) var(–kix-radius-sm);
}
.kix-metrics-row__item:nth-child(3) {
border-top-color: var(–kix-blue);
}
.kix-metrics-row__number {
font-family: var(–kix-font-mono);
font-size: var(–kix-text-4xl);
font-weight: 500;
color: var(–kix-text);
line-height: 1;
margin-bottom: var(–kix-space-2);
display: block;
}
.kix-metrics-row__label {
font-family: var(–kix-font-body);
font-size: var(–kix-text-sm);
color: var(–kix-text-secondary);
line-height: var(–kix-leading-snug);
}
.kix-metrics-row__sublabel {
font-family: var(–kix-font-body);
font-size: var(–kix-text-xs);
color: var(–kix-text-muted);
text-transform: uppercase;
letter-spacing: var(–kix-tracking-wide);
margin-top: var(–kix-space-1);
}
@media (max-width: 640px) {
.kix-metrics-row {
grid-template-columns: 1fr;
gap: var(–kix-space-4);
}
}
.kix-hero {
background: var(–kix-bg);
padding: var(–kix-section-y) 0;
}
.kix-hero__inner {
display: grid;
grid-template-columns: 3fr 2fr;
gap: var(–kix-space-16);
align-items: center;
}
.kix-hero__content {
}
.kix-hero__metrics {
}
@media (max-width: 900px) {
.kix-hero__inner {
grid-template-columns: 1fr;
gap: var(–kix-space-10);
}
}
.kix-statement-section {
background: var(–kix-bg-warm);
padding: var(–kix-section-y-sm) 0;
}
.kix-statement-section .kix-text {
font-size: var(–kix-text-lg);
line-height: var(–kix-leading-loose);
}
.kix-services-section {
background: var(–kix-bg);
padding: var(–kix-section-y) 0;
}
.kix-services-section__header {
margin-bottom: var(–kix-space-12);
}
.kix-services-grid {
display: grid;
grid-template-columns: 2fr 3fr;
grid-template-rows: auto auto;
gap: var(–kix-space-4);
}
.kix-services-grid__row {
display: contents;
}
.kix-card:nth-child(1) { grid-column: 1; }
.kix-card:nth-child(2) { grid-column: 2; }
.kix-card:nth-child(3) { grid-column: 1 / span 1; grid-column: auto; }
.kix-card:nth-child(4) { grid-column: auto; }
.kix-services-grid {
grid-template-columns: 2fr 3fr;
}
.kix-services-grid–row2 {
grid-template-columns: 11fr 9fr;
}
@media (max-width: 768px) {
.kix-services-grid {
grid-template-columns: 1fr;
}
}
.kix-card {
background: #ffffff;
border: 1px solid var(–kix-border);
border-radius: var(–kix-radius-sm);
padding: var(–kix-space-8);
transition:
border-color var(–kix-transition),
transform var(–kix-transition);
display: flex;
flex-direction: column;
gap: var(–kix-space-3);
}
.kix-card:hover {
border-color: var(–kix-blue);
transform: translateY(-2px);
}
.kix-card__accent {
display: block;
width: 32px;
height: 2px;
background: var(–kix-teal);
margin-bottom: var(–kix-space-4);
}
.kix-card__metric {
font-family: var(–kix-font-mono);
font-size: var(–kix-text-2xl);
font-weight: 500;
color: var(–kix-blue);
line-height: 1;
margin-bottom: var(–kix-space-1);
}
.kix-card__title {
font-family: var(–kix-font-body) !important;
font-size: var(–kix-text-xl) !important;
font-weight: 600 !important;
color: var(–kix-text) !important;
background: none !important;
-webkit-text-fill-color: var(–kix-text) !important;
line-height: var(–kix-leading-tight) !important;
margin-bottom: var(–kix-space-2) !important;
}
.kix-card__tag {
font-family: var(–kix-font-body);
font-size: var(–kix-text-xs);
font-weight: 500;
letter-spacing: var(–kix-tracking-wide);
text-transform: uppercase;
color: var(–kix-text-muted);
margin-bottom: var(–kix-space-3);
}
.kix-card__body {
font-family: var(–kix-font-body);
font-size: var(–kix-text-sm);
line-height: var(–kix-leading-base);
color: var(–kix-text-secondary);
flex: 1;
}
.kix-card__body p {
margin-bottom: var(–kix-space-2);
}
.kix-card__body p:last-child {
margin-bottom: 0;
}
.kix-cases-section {
background: var(–kix-navy);
padding: var(–kix-section-y) 0;
}
.kix-cases-section .kix-overline {
color: var(–kix-teal);
margin-bottom: var(–kix-space-10);
}
.kix-cases-section__headline {
font-family: var(–kix-font-display) !important;
font-size: var(–kix-text-4xl) !important;
font-weight: 400 !important;
color: var(–kix-text-on-dark) !important;
background: none !important;
-webkit-text-fill-color: var(–kix-text-on-dark) !important;
margin-bottom: var(–kix-space-12) !important;
letter-spacing: var(–kix-tracking-tight) !important;
}
.kix-case-teaser {
display: grid;
grid-template-columns: 1fr auto;
gap: var(–kix-space-12);
align-items: start;
padding: var(–kix-space-10) 0;
border-bottom: 1px solid var(–kix-navy-border);
}
.kix-case-teaser:last-child {
border-bottom: none;
padding-bottom: 0;
}
.kix-case-teaser__number {
font-family: var(–kix-font-mono);
font-size: var(–kix-text-xs);
font-weight: 500;
color: var(–kix-teal);
letter-spacing: var(–kix-tracking-wide);
text-transform: uppercase;
margin-bottom: var(–kix-space-3);
display: block;
}
.kix-case-teaser__title {
font-family: var(–kix-font-display) !important;
font-size: var(–kix-text-3xl) !important;
font-weight: 400 !important;
color: var(–kix-text-on-dark) !important;
background: none !important;
-webkit-text-fill-color: var(–kix-text-on-dark) !important;
line-height: var(–kix-leading-tight) !important;
margin-bottom: var(–kix-space-4) !important;
}
.kix-case-teaser__lead {
font-family: var(–kix-font-body);
font-size: var(–kix-text-base);
color: var(–kix-text-muted-dark);
line-height: var(–kix-leading-base);
margin-bottom: var(–kix-space-6);
}
.kix-case-teaser__link {
display: inline-flex;
align-items: center;
gap: var(–kix-space-2);
font-family: var(–kix-font-body);
font-size: var(–kix-text-sm);
font-weight: 600;
color: var(–kix-teal) !important;
text-decoration: none !important;
letter-spacing: var(–kix-tracking-wide);
text-transform: uppercase;
transition: gap var(–kix-transition);
}
.kix-case-teaser__link:hover {
gap: var(–kix-space-3);
color: var(–kix-teal) !important;
}
.kix-case-teaser__link::after {
content: ‘→’;
display: inline-block;
transition: transform var(–kix-transition);
}
.kix-case-teaser__link:hover::after {
transform: translateX(3px);
}
.kix-case-teaser__aside {
text-align: right;
min-width: 160px;
}
.kix-case-teaser__big-number {
font-family: var(–kix-font-mono);
font-size: var(–kix-text-4xl);
font-weight: 500;
color: var(–kix-teal);
line-height: 1;
display: block;
margin-bottom: var(–kix-space-2);
}
.kix-case-teaser__big-label {
font-family: var(–kix-font-body);
font-size: var(–kix-text-xs);
color: var(–kix-text-muted-dark);
text-transform: uppercase;
letter-spacing: var(–kix-tracking-wide);
}
@media (max-width: 640px) {
.kix-case-teaser {
grid-template-columns: 1fr;
gap: var(–kix-space-6);
}
.kix-case-teaser__aside {
text-align: left;
}
}
.kix-cta-section {
background: var(–kix-blue);
padding: var(–kix-section-y-sm) 0;
text-align: center;
}
.kix-cta-section__headline {
font-family: var(–kix-font-display) !important;
font-size: var(–kix-text-4xl) !important;
font-weight: 400 !important;
color: #ffffff !important;
background: none !important;
-webkit-text-fill-color: #ffffff !important;
line-height: var(–kix-leading-tight) !important;
margin-bottom: var(–kix-space-4) !important;
}
.kix-cta-section__sub {
font-family: var(–kix-font-body);
font-size: var(–kix-text-base);
color: rgba(255, 255, 255, 0.75);
margin-bottom: var(–kix-space-8);
}
.kix-btn {
display: inline-flex;
align-items: center;
gap: var(–kix-space-2);
font-family: var(–kix-font-body);
font-size: var(–kix-text-sm);
font-weight: 600;
letter-spacing: var(–kix-tracking-wide);
text-transform: uppercase;
text-decoration: none !important;
padding: var(–kix-space-4) var(–kix-space-8);
border-radius: var(–kix-radius-sm);
transition:
background-color var(–kix-transition),
transform var(–kix-transition),
box-shadow var(–kix-transition);
cursor: pointer;
border: none;
}
.kix-btn–primary {
background: var(–kix-blue);
color: #ffffff !important;
}
.kix-btn–primary:hover {
background: var(–kix-blue-dark);
transform: translateY(-1px);
box-shadow: 0 4px 16px rgba(30, 64, 175, 0.3);
}
.kix-btn–inverse {
background: #ffffff;
color: var(–kix-blue) !important;
}
.kix-btn–inverse:hover {
background: #f8faff;
transform: translateY(-1px);
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.kix-btn–ghost {
background: transparent;
color: var(–kix-text-on-dark) !important;
border: 1px solid var(–kix-navy-border);
}
.kix-btn–ghost:hover {
border-color: var(–kix-teal);
color: var(–kix-teal) !important;
}
.kix-btn__arrow {
display: inline-block;
transition: transform var(–kix-transition);
}
.kix-btn:hover .kix-btn__arrow {
transform: translateX(3px);
}
.kix-case-hero {
background: var(–kix-navy);
padding: var(–kix-section-y) 0;
}
.kix-case-hero__back {
display: inline-flex;
align-items: center;
gap: var(–kix-space-2);
font-family: var(–kix-font-body);
font-size: var(–kix-text-sm);
color: var(–kix-teal) !important;
text-decoration: none !important;
letter-spacing: var(–kix-tracking-wide);
text-transform: uppercase;
margin-bottom: var(–kix-space-10);
transition: gap var(–kix-transition);
}
.kix-case-hero__back:hover {
gap: var(–kix-space-3);
}
.kix-case-hero__back::before {
content: ‘←’;
display: inline-block;
transition: transform var(–kix-transition);
}
.kix-case-hero__back:hover::before {
transform: translateX(-3px);
}
.kix-case-section {
padding: var(–kix-section-y-sm) 0;
}
.kix-case-section–warm {
background: var(–kix-bg-warm);
}
.kix-case-section–light {
background: var(–kix-bg);
}
.kix-case-section–subtle {
background: var(–kix-bg-section);
}
.kix-two-col {
display: grid;
grid-template-columns: 1fr 1fr;
gap: var(–kix-space-16);
align-items: start;
}
.kix-two-col–60-40 {
grid-template-columns: 3fr 2fr;
}
.kix-two-col–40-60 {
grid-template-columns: 2fr 3fr;
}
@media (max-width: 768px) {
.kix-two-col,
.kix-two-col–60-40,
.kix-two-col–40-60 {
grid-template-columns: 1fr;
gap: var(–kix-space-8);
}
}
.kix-list {
list-style: none;
padding: 0;
margin: 0;
display: flex;
flex-direction: column;
gap: var(–kix-space-4);
}
.kix-list__item {
display: flex;
gap: var(–kix-space-4);
align-items: flex-start;
padding: var(–kix-space-4) 0;
border-bottom: 1px solid var(–kix-border);
}
.kix-list__item:last-child {
border-bottom: none;
}
.kix-list__marker {
font-family: var(–kix-font-mono);
font-size: var(–kix-text-xs);
font-weight: 500;
color: var(–kix-teal);
text-transform: uppercase;
letter-spacing: var(–kix-tracking-wide);
min-width: 80px;
padding-top: 2px;
flex-shrink: 0;
}
.kix-list__content {
font-family: var(–kix-font-body);
font-size: var(–kix-text-base);
color: var(–kix-text-secondary);
line-height: var(–kix-leading-base);
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A case from my own practice
sc-memory-graph: the knowledge graph that forgets nothing.
512 actions, 1,799 edges, 9 functional areas. A Recall@5 of 94.79% on LongMemEval-S — comparable with published state-of-the-art systems.
The problem
Knowledge becomes a basis for consulting when it stays retrievable.
Notion, Confluence and wiki collections are graveyards.
Consultants collect knowledge over years in tools that no one searches. The result: the same problem gets solved several times, context is lost, and changing clients means rebuilding knowledge from scratch. A retrievable memory is the foundation of dependable consulting.
The architecture
Five layers for a consistent memory.
-
Data layer
Neo4j graph — 9 functional areas, 1,799 edges, bi-temporal validity on 8 edge types. Every fact has a validity period and a recording period.
-
Recall
Hybrid retrieval — BM25 for keyword precision combined with a 768d vector index for semantic proximity, plus a name/ID boost for direct hits.
-
Reranking
Personalized PageRank — context weighting based on graph proximity to the entry node. More strongly connected facts are prioritised higher.
-
Consistency
Edge invalidation resolver — contradictory facts are detected automatically and ordered in time.
-
Interface
MCP server — six tools (recall, record_fact, query_facts, find_conflicts, consolidate, audit). Callable directly from Claude Code.
512
Actions — training corpus
1.799
Edges in the graph
9
Functional areas (clusters)
768d
Vector dimensions
Measurable results
From 66.67% to 98.61% in two iterations.
66.67%
Baseline Recall@5
Iteration 0
98.61%
Internal Recall@5
Iteration 2 — 72 questions, 7 domains
94.79%
Recall@5, external
LongMemEval-S — comparable to state of the art
The improvement from 66.67% to 98.61% followed a structured iteration protocol: measure the baseline, identify the bottleneck, improve in a targeted way, then measure again.
Lessons Learned
Three dead ends from building it.
-
Dead end 1
Flat-file memory. Markdown files are full-text searchable. With 500+ entries, full-text search delivers poor recall quality. The move to a graph became unavoidable.
-
Dead end 2
A pure vector index. Cosine similarity fails on precise names and IDs. “Which recall system runs on server X?” is a semantically simple question with an unreliable vector answer. The BM25 hybrid was the key.
-
Dead end 3
Contradictory facts without invalidation. A graph without an edge invalidation resolver gives a random answer to the question “Which value applies right now?” Singleton cardinality solves this.
For your practice
What a knowledge graph project with me actually involves.
If you are planning a memory or knowledge graph project, I bring the assessment: which retrieval system fits your data and use cases? What are realistic quality expectations? Which bottlenecks does the architecture have that I know from my own experience? The result is a written assessment.
Ready for an initial AI consultation?
30 minutes, free of charge, confidential.