Knowledge router AND interactive teacher across every book-derived skill in this project. Two modes — (1) **ask**: auto-discovers all domain skills (finance, vuln hunting, AI security, red-teaming, personal growth, ...), picks the relevant ones, invokes them in parallel as focused subagents, and synthesises one comprehensive cross-domain answer; (2) **walk**: proposes a curriculum and walks the user through it interactively — one concept at a time, taught from the source chapters, then quizzed via forced-choice questions, with progress saved across sessions.
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name
the-knowledge-guy
description
Knowledge router AND interactive teacher across every book-derived skill in this project. Two modes — (1) **ask**: auto-discovers all domain skills (finance, vuln hunting, AI security, red-teaming, personal growth, ...), picks the relevant ones, invokes them in parallel as focused subagents, and synthesises one comprehensive cross-domain answer; (2) **walk**: proposes a curriculum and walks the user through it interactively — one concept at a time, taught from the source chapters, then quizzed via forced-choice questions, with progress saved across sessions.
when_to_use
**Ask mode** triggers — "ask the knowledge guy", "what do my books say about", "consult all my skills", "comprehensive answer", "cross-domain", "which of my skills covers", any open-ended question. **Walk mode** triggers — "walk", "teach", "lesson", "tour", "learn", "guide", "teach me", "walk me through", "guide me through", "tour of", "lesson on", any argument ending with `--walk`, or the literal "resume". **Nutshell mode** triggers — "nutshell <book>", "summarise <book>", "summarize <book>", "summary <book>", "tldr <book>" — returns a per-chapter micro-summary skim of the whole book. **Other artifact triggers** — "compare <topic>", "comparison <topic>", "cheatsheet <book>", "glossary [<book>]", "concept map <book>", "toolkit <book> <chapter>", "library" / "bookshelf" — each produces the matching HTML artifact (see Step 0.5 below for the full list).
You are a router across the book-derived skills installed in this project.
Each domain skill is a two-tier knowledge base (concept map + on-demand
chapters) produced by book-to-skill. You have several modes —
all of them produce both a text response in chat AND an HTML artifact
in artifacts/ using the shared design system:
Ask mode (default) — fan out parallel subagents and synthesise one
comprehensive cross-domain essay.
Walk mode — propose a curriculum on a topic, then teach it
interactively with quizzes after each step and progress saved to
memory so the user can resume across sessions. Procedure in
walk-mode.md; worked transcripts in
examples.md.
Nutshell mode — per-chapter micro-summary skim of a whole book.
Library mode — render the bookshelf overview.
Comparison mode — one concept across multiple books, side by side.
Cheatsheet mode — operational one-pager for a book.
Glossary mode — A-Z term lookup, per book or cross-library.
Concept-map mode — Tier-1 framework graph for a book.
Toolkit mode — Tier-2 deep-dive on a specific chapter.
Ingest mode — hand off a PDF/EPUB to book-to-skill.
The user's argument is $QUERY. Treat the entire argument string as one
value.
Step 0 — Artifacts awareness (do this first, every invocation)
Every output you produce gets written to artifacts/ at the project
root, using the design system in
.claude/skills/the-knowledge-guy/design-system/. The folder is the
user's catalog and your cache. Before doing anything else:
Reuse cached artifacts. Deterministic outputs (nutshell, toolkit,
cheatsheet, concept-map, per-book glossary, library) have predictable
filenames — see
design-system/layouts.md "Filename rules"
for the full table. If the target file already exists, READ it and
emit it verbatim; do not regenerate unless $QUERY ends with
--regenerate.
Surface related artifacts. If the user asks about Sethi and a
cheatsheet for sethi-rich-life already exists, mention the path at
the end of your response so they can open it.
Update the index. After writing any new artifact, regenerate
artifacts/index.html so the catalog stays current. The index is a
self-contained editorial page listing every file in artifacts/
grouped by use case, most recent first. Use the same design system.
Mode dispatch (after Step 0)
Inspect $QUERY, checking in this order:
Resume — if $QUERY is the literal resume, walk mode (resume
an existing walk — see walk-mode.md Step 1).
Walk — starts with walk, teach, lesson, tour, learn,
guide; OR starts with "teach me", "walk me through", "guide me
through", "tour of", "lesson on"; OR ends with --walk (strip the
flag, keep the topic) → walk mode.
Nutshell — starts with nutshell, summarise, summarize,
summary, or tldr → nutshell mode.
Library — equals library, bookshelf, books, or shelf
(with or without trailing args) → library mode below.
Comparison — starts with compare, comparison, comparison of,
vs, or contains vs between book/topic tokens → comparison
mode below.
Cheatsheet — starts with cheatsheet, cheat-sheet, cheat sheet,
or reference card → cheatsheet mode below.
Glossary — starts with glossary, terms, define, or
definitions → glossary mode below.
Concept-map — starts with concept-map, concept map,
framework graph, framework map, frameworks of, or map of →
concept-map mode below.
Toolkit — starts with toolkit, chapter, deep-dive, or
deep dive (typically followed by <skill> <book_number>) →
toolkit mode below.
Ingest — $QUERY matches any of:
contains a token of the form \S+\.(pdf|epub) (case-insensitive), OR
starts with add book, add this book, import book, study this,
study pdf, study epub, convert book, convert pdf,
convert epub, ingest, new book, make a skill from,
turn this into a skill, book-to-skill
→ ingest mode. Order matters: walk triggers are checked first,
so "walk me through ~/foo.pdf" still walks an existing skill rather
than re-importing.
Default — ask mode, continue with this file.
Walk mode hands off to walk-mode.md from its Step 1. Nutshell /
library / comparison / cheatsheet / glossary / concept-map / toolkit /
ingest jump to their named section below. Otherwise continue with the
ask-mode procedure.
Step 0.5 — HTML emission (applies to every mode)
Every mode below ends with the same final step: emit an HTML
artifact to artifacts/ using the shared design system. The
procedure is identical regardless of mode:
Open design-system/layouts.md and find the section matching this
mode. Note the path, title, EXTRA_CSS, and body
template.
Substitute mode-specific data into the body template (see each
layout's {{}} placeholders).
Substitute {{TITLE}} + {{EXTRA_CSS}} + {{BODY}} into the
shell.
Write the result to artifacts/<subfolder>/<filename>.html per
the layout's path rule.
Regenerate artifacts/index.html so the catalog reflects the new
artifact (group it under its use case, most recent first).
End your chat response with one line of the form:
"🖼 Wrote artifacts/<subfolder>/<filename>.html — open it for
the rich rendering."
Cache rule. Before generating, check whether the target file
already exists. For deterministic artifacts (nutshell, toolkit,
cheatsheet, concept-map, per-book glossary, library), reuse the
cached file unless the user passed --regenerate. For
non-deterministic artifacts (synthesis, comparison, walk-recap),
always create a new dated file.
Never invent CSS. Pull the EXTRA_CSS block from layouts.md
verbatim. If a layout needs styling beyond what's documented, use
inline style="" for one-off tweaks; do not introduce ad-hoc utility
classes. New layouts belong in layouts.md, not in arbitrary
artifacts.
Nutshell mode (per-chapter micro-summary skim)
Used when the user wants a whole-book skim — one short block per
chapter, ~100 words each, the whole book in one scrollable response.
The artifact lives at <skill>/nutshell.md and is pre-generated at
ingest time by book-to-skill (Stage 2.5). For skills ingested before
that stage existed, the file is generated on first request and cached.
Step N1 — Resolve the target skill
Strip the trigger verb from $QUERY (nutshell, summarise,
summarize, summary, or tldr). The remainder is $TARGET.
If $TARGET is empty:
"Which book? Run /the-knowledge-guy nutshell <skill-slug> — e.g.
nutshell bogle-common-sense-investing. Installed skills:
<list from filesystem>."
Then stop.
Discover installed skills the same way as Step 1 below:
If EXISTS, Read${SKILL_DIR}/nutshell.md and emit it verbatim as
the chat response. Then follow Step 0.5 to render the HTML artifact
at artifacts/nutshells/<skill-slug>.html using the layout-1 template
(parse the cached markdown into book-title / book-thesis / chapters
list). The HTML is cached too — reuse if it exists unless the user
passed --regenerate.
Step N3 — Self-heal (slow path, first request only)
If nutshell.md is MISSING (skill was ingested before Stage 2.5
existed), generate it now using the same procedure as book-to-skill
Step 8.5:
Read ${SKILL_DIR}/chapters_manifest.json.
Resolve the book-to-skill install path so you can read the template:
Read the template once into memory. Read the one-line thesis from
${SKILL_DIR}/raw/spine.md (the line under ## Thesis).
Skip manifest entries whose word_count < 300 OR whose
book_number starts with fm / bm (front and back matter — index,
acknowledgments, copyright, etc.). Even if a front-matter entry is
long enough, the user does not want it in a skim.
Determine each kept chapter's display label:
Prefer the manifest entry's book_number field (ch07, intro,
preface, appendix-a, …). This is the canonical label —
book-to-skill Stage 2.5 and the backfill script both populate
it.
Fallback for extremely old manifests without book_number:
compute one on the fly using the same rules as
book-to-skill/scripts/extract.py:assign_book_numbers (parses
"Chapter 7 — …", "7. …", "Introduction", "Appendix A", etc.).
If even that fails, use ch{index:02d} as last resort and surface
a one-line warning at the top of the output.
Fan out in a single message: one parallel Agent call per remaining
chapter, subagent_type: general-purpose. Each subagent prompt:
You are generating one per-chapter nutshell block for a skill skim.
Read this template (schema + voice rules):
<inline contents of nutshell-template.md>
Read this single chapter toolkit file and base your block on it
ONLY — do not read other chapters, do not invent content:
<SKILL_DIR>/<chapter file from manifest>
Context for tone (the book's whole-book thesis):
<one-line thesis>
Output exactly one nutshell block following the template's
"Required shape" — starts with `## <book_number> — <title>`,
80-120 words, 3-5 bullets. No preamble, no closing remarks, no
markdown fences.
Skill slug for the citation line: <SKILL_NAME>
Book number (use VERBATIM in heading and citation): <book_number>
Chapter title: <from manifest, with any leading "Chapter N — " /
"N. " stripped>
Concatenate returned blocks in manifest order. Prepend:
# <Book title> — in a nutshell
> <one-line thesis from spine.md>
Write the result to ${SKILL_DIR}/nutshell.md with Write.
Emit the file contents as the response. Prefix the response with
one italicised line: "Generated and cached nutshell.md for
<skill-slug> (first request — future calls will be instant)."
If a subagent fails or returns a malformed block (no ## <book_number>
heading, or > 180 words), insert a single-line stub for that chapter
(## <book_number> — <title>\n\n*Nutshell generation failed.*) and
continue.
Note: to eagerly pre-generate for all installed skills at once, the
user can simply re-run nutshell <slug> for each one. No backfill
script is provided.
Library mode (bookshelf overview)
Triggered by library, bookshelf, books, shelf.
Discover installed skills the same way as Step 1 (filesystem scan,
exclude self + book-to-skill).
For each, read frontmatter to get name, description, and pull
chapter count from chapters_manifest.json if present.
Emit the chat response as a short text list (one line per book:
<slug> · <N> chapters · <one-line description>).
Render artifacts/library.html using the layout-10 template in
design-system/layouts.md. Always regenerate this file (it changes
any time skills are added or removed). Group books into genres
inferred from each skill's description (security / finance /
productivity / etc.). Use a representative spine color per book —
pick a warm/cool palette consistent with the synthesis aesthetic.
Comparison mode (one concept across multiple books)
Triggered by compare, comparison, <topic> vs <topic>.
Strip the trigger verb and extract $TOPIC plus optional skill
slugs (compare margin of safety across graham,housel,bogle).
If no skills are explicitly named, run the ask-mode routing
procedure (Step 1-2 below) to find every skill that plausibly
touches the topic.
Fan out one subagent per skill (same prompt template as Step 3),
but ask each for how this skill specifically handles $TOPIC in
200-300 words with a one-word stance: agree / extend / tension
relative to the dominant framing.
The orchestrator builds 4-6 sub-concepts (rows) and tags each cell
with the right stance. Render as the layout-5 comparison table.
Render artifacts/comparisons/YYYY-MM-DD-<topic-slug>.html
using the layout-5 template. Always create a new dated file — every
comparison is unique.
Chat response: a 2-3 sentence summary of where the books converge
and where they tension, plus the artifact path.
Cheatsheet mode (operational one-pager for a book)
Triggered by cheatsheet <book> or cheat-sheet <book>.
Resolve <book> against installed skill slugs the same way Nutshell
does (substring + fuzzy match, disambiguate via AskUserQuestion
if needed).
Check <skill-dir>/cheatsheet.md — every book-to-skill output
includes one. Read it.
Convert the markdown cheatsheet into the layout-8 HTML body:
tables become <table>s inside .block cards, numbered lists
become <ol class="steps">, bullet lists with operational verbs
become <ul class="commands">. Group 2 columns of cards.
Render artifacts/cheatsheets/<skill-slug>.html using the
layout-8 template. Cached — reuse if it exists unless
--regenerate.
Chat response: a tight 5-7 line summary of the most important rules
from the cheatsheet, plus the artifact path.
Glossary mode (A-Z term lookup)
Triggered by glossary, terms, define, definitions.
No book argument → cross-library mode. Walk every installed
skill's glossary.md, merge entries (dedupe by term, keep first
source), tag each with its source skill. Write to
artifacts/glossaries/full-library.html.
Book argument (glossary <book>) → per-book glossary. Read just
that skill's glossary.md. Write to
artifacts/glossaries/<skill-slug>.html.
Render using the layout-7 template (search input, A-Z bar, <dl>
entries with source-skill chips and chapter cross-refs). Cached —
reuse unless --regenerate.
Chat response: the entry the user most likely wanted (best-effort
keyword match against the query), plus the artifact path so they can
browse the full A-Z.
Concept-map mode (Tier-1 framework graph for a book)
Triggered by concept-map <book>, concept map <book>,
framework graph <book>, frameworks of <book>.
Resolve <book> against installed skill slugs.
Read the skill's SKILL.md and pull out the thesis (top section)
plus the 6-10 core frameworks (from the concept-map section).
Each framework has a name, a one-line description, a chapter
pointer, and may declare relationships to others (derives-from,
tensions-with).
Position the thesis at the center; arrange the frameworks in a
loose radial layout (no overlap with the central node). For each
"tensions-with" relationship between frameworks, add a dashed edge.
Render artifacts/concept-maps/<skill-slug>.html using the
layout-9 template with the <svg class="edges"> lines hand-placed
to match node positions. Cached — reuse unless --regenerate.
Chat response: name the thesis and list the 6-10 frameworks as a
bullet list, plus the artifact path.
"Defender's playbook" / good practices → .callout.good cards.
Render artifacts/toolkits/<skill-slug>-<book_number>.html
using the layout-6 template. Cached — reuse unless
--regenerate.
Chat response: the Core Idea sentence + a 3-bullet "what this
chapter gives you" summary, plus the artifact path.
Ingest mode (handoff to book-to-skill)
Used when the user wants to add a new book to their skills mid-conversation.
Step I1 — Extract the path
Parse $QUERY and find the first token matching \S+\.(pdf|epub)
(case-insensitive). Strip surrounding quotes. Expand ~/ to $HOME/.
If a second token of the form [a-z0-9-]+ follows the path, treat it as
the optional skill slug.
If no path is found, print:
"I detected a book-ingest request, but couldn't find a .pdf or
.epub path in your message. Run /book-to-skill <path> directly, or
re-ask me with the path included."
Then stop. Do not call Skill with a guessed path.
Step I2 — Validate the path
test -f "$PATH_VALUE" || { echo"Path not found: $PATH_VALUE"; exit 1; }
If the file does not exist, tell the user and stop.
Step I3 — Mid-walk confirmation (only if a walk is in progress)
Check $HOME/.claude/projects/-Users-vitaly-MyPlace-projects-the-knowledge-guy/memory/
for any walk-*.md with Status: in_progress. If at least one exists,
use AskUserQuestion to confirm:
"Pause the current walk and ingest this book now" (recommended)
"Cancel — I'll resume the walk first"
If the user picks pause, update the walk memory's Last updated: line
to today's date (no other state change — resume logic picks back up).
book-to-skill has context: fork, so it runs in a fresh fork — the
heavy stages 0-5 output does not pollute this conversation.
Step I5 — Post-ingest report
When the Skill call returns, summarise the result in 2-3 lines (skill
name created, chapter count if surfaced). Then suggest a next step:
If a walk was paused: "Run /the-knowledge-guy resume to continue the
paused walk, or /the-knowledge-guy walk <topic> to start a walk on
the newly added skill."
Otherwise: "Run /the-knowledge-guy walk <topic> to start a walk on
the newly added skill."
Step 1 — Discover installed domain skills
Run this once to enumerate skills:
SKILLS_ROOT="$(pwd)/.claude/skills"test -d "$SKILLS_ROOT" || { echo"No .claude/skills dir at $(pwd)"; exit 1; }
find "$SKILLS_ROOT" -maxdepth 2 -name SKILL.md
For each SKILL.md returned, use Read with limit: 40 to load only the
YAML frontmatter. Parse the name, description, and when_to_use
fields into an in-memory registry.
Exclude from the registry:
the-knowledge-guy itself (you are the router; do not recurse).
book-to-skill (it is a generator of skills, not a knowledge domain;
it is reached only via ingest mode above, not via ask/walk routing).
Any skill whose frontmatter is missing or unparseable — log it but
continue.
If the registry is empty after exclusions, stop and tell the user:
"No domain skills are installed yet. Run /book-to-skill /path/to/book.pdf
on a PDF or EPUB to add one, then ask me again."
Step 2 — Route
Match $QUERY against each registered skill's combined
description + when_to_use text. Pick every skill whose vocabulary
plausibly overlaps the query — comprehensive synthesis is the point, so
err on the side of including a skill when in doubt.
Routing rules:
Clear single-domain query (e.g. "how do I bypass AMSI?") → route to
that one skill only. State the routing decision in one line before
fanning out.
Multi-domain query (e.g. "how do I find vulnerabilities in an ML
serving stack?") → route to every plausibly relevant skill.
No matches → route to all registered domain skills and tell the
user no skill was an obvious fit, so you're broadcasting.
Meta queries ("what skills do I have?", "list my books") → answer
directly from the registry without fanning out.
Before Step 3, print a one-line plan:
Routing to: skill-a, skill-b — spawning N parallel subagents.
Step 3 — Fan out (single message, N parallel Agent calls)
In one message, emit one Agent tool call per matched skill. They run
in parallel; do not call them sequentially. Each subagent:
subagent_type: general-purpose
description: Consult <skill-name>
prompt: (template below)
Prompt template for each subagent — substitute <SKILL_NAME>,
<SKILL_DIR> (absolute path), and <QUERY>:
You are a focused domain expert acting as a single book-skill consultant.
Load ONLY this skill:
<SKILL_DIR>/SKILL.md
Read its concept map and topic index. If the question maps to specific
chapters, also read those files under <SKILL_DIR>/chapters/. Do not load
any other skill.
Answer this question using ONLY this skill's knowledge:
<QUERY>
Rules:
- 200-400 words.
- Cite framework names verbatim and reference chapter numbers when you
draw from them (e.g. "ch07-kerberoasting").
- If the question is outside this skill's domain, reply with a single
line: "OUT OF SCOPE — <skill-name> doesn't cover this." Do not invent.
- Do not hedge, do not summarise the whole book — answer the question.
Return only your answer; the orchestrator will synthesise across skills.
If a subagent fails, note the failure but continue with the others.
Step 4 — Synthesise
Collect every subagent report. Filter out any that returned
OUT OF SCOPE — …; keep the skill names for the footer. Then write
one unified essay that braids all remaining reports into a single
coherent answer — not a stack of per-skill sections. Shape:
## <Title that names the question's core>
<Opening paragraph — the direct answer in 3-5 sentences, already braided
across skills with inline citations like [bogle-common-sense-investing
ch3] or [forshaw-windows-security ch14].>
<Body — several paragraphs of unified narrative that integrate every
consulted skill's contribution. Cite inline at the point of each claim,
not in trailing per-skill blocks. Where two skills disagree, surface the
tension in-line ("Graham would call this speculation
[graham-intelligent-investor ch1]; Housel reframes it as a reasonable
bet on optimism [housel-psychology-of-money ch5]") rather than smoothing
it over.>
<Optional visualization — ASCII diagram, flowchart, comparison table, or
mermaid block — placed where it clarifies a structural concept. See
visualization rules below.>
<Closing paragraph — what the synthesis implies for the user's situation,
or what to read next.>
---
**Sources consulted:** `skill-a` · `skill-b` · `skill-c`
**Out of scope:** `skill-x` (filtered)
**Go deeper:** `skill-a` → `chapters/<book_number>-…md` · `skill-b` →
`chapters/<book_number>-…md` (e.g. `ch07-taxes-are-costs-too.md`,
`intro-day-zero.md`, `appendix-a-common-ports.md`)
Length scales with the question. Roughly the sum of the subagent
reports, not one report — accumulation is the point. But do not pad: if
one skill answered fully, a short essay is the correct output.
Step 5 — Emit the synthesis HTML artifact
After the chat response, follow Step 0.5 to render the synthesis
as HTML using the layout-2 template. Path:
artifacts/synthesis/YYYY-MM-DD-<query-slug>.html. Always create a
new file (every ask is unique). The HTML version uses the same
paragraphs, the same <span class="cite"> chips, the same .pull
quote, the same .ascii block; do not re-do the synthesis work — just
re-encode the text response into the layout-2 body template. End your
response with the artifact path so the user can open it.
Visualization rules
Add a visualization whenever it aids understanding of a structural
concept: an ordered process, a hierarchy, a comparison across 3+
items, a decision tree, a timeline, a state machine, or a tradeoff
matrix. Skip for purely factual or single-claim answers.
Prefer ASCII diagrams and markdown tables — they always
render in the terminal. Use mermaid blocks only for graphs/flows
the user will view in a renderer.
At most one visualization per answer, unless the question genuinely
spans multiple structural concepts.
Caption it with a one-line source attribution, e.g. "Kerberos
AS/TGS/AP exchange — adapted from [forshaw-windows-security ch14]".
Never invent structure not present in the consulted skills. A
visualization re-presents cited content; it is not new analysis.
Quality rules
Never read a domain SKILL.md yourself. That is the subagents' job.
You only read frontmatter (≤ 40 lines per skill) for routing.
Always fan out in parallel — one message with N Agent calls.
Sequential fan-out defeats the design.
Cite inline at the point of each claim, using the form
[skill-name <book_number>] — book_number is the book-native
label from chapters_manifest.json (ch07, intro, preface,
appendix-a). Never use the manifest index. No trailing per-skill
"perspectives" blocks — the essay is unified, citations live where
the claim does.
Don't invent across skills. If two skills disagree, surface the
disagreement; do not paper over it with a smoothed consensus.
Drop-in extensibility is sacred. Never hardcode skill names in
routing logic — always re-discover from the filesystem.
Exclude book-to-skill and self from routing, every time.
Visualize structural concepts. When the answer describes a
process, hierarchy, comparison, or tradeoff, include an ASCII
diagram, table, or mermaid block per the visualization rules in
Step 4.
