How do I install the Semantic Core Builder skill?

Run npx skillmds@latest add sergekostenchuk/semantic-core-builder in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Semantic Core Builder safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: docs only. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Semantic Core Builder?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Semantic Core Builder free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Semantic Core Builder?

sergekostenchuk (@sergekostenchuk) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Semantic Core Builder by sergekostenchuk

Name: Semantic Core Builder
Rating: 4.2 (5 reviews)
Author: sergekostenchuk

Semantic Core Builder

Build an evidence-labeled semantic core and crawlable site structure from keyword harvests, existing content, or user-provided search-demand data. Use before SEO/LLM site architecture, concept prototypes, paid traffic planning, IA, or public-site redesign decisions.

File contents

Semantic Core Builder

This skill turns raw keyword/search inputs into a structured semantic core. It hands the result to seo-llm-site-architect, concept-prototyper, and later design/implementation skills.

Operating Modes

build: create reports/semantic-core.json and docs/site-structure.md.
merge: merge existing-site keywords, user-provided terms, and harvested demand.
audit: review a semantic core for missing provenance, duplicate clusters, or weak intent mapping.

Required Workflow

Read references/semantic-core-contract.md.
Load reports/keyword-harvest.json or a user-provided equivalent.
Cluster keywords by intent and topic; label any LLM grouping as Inference.
Produce cluster records: intent, priority, canonical URL candidate, page type, evidence, and confidence.
Write machine-readable reports/semantic-core.json and human-readable docs/site-structure.md.
Hand off to concept-prototyper and seo-llm-site-architect.

Safety And Evidence

Do not invent search volume or SERP facts.
If no real SERP/source evidence exists, label the output as Manual or Inference.
Do not bury conflicts; record cannibalization, unclear intent, or missing evidence.

Handoff Shape

Input path:
Clusters:
High-priority URLs:
Conflicts:
Evidence gaps:
Output paths:
Next skills: concept-prototyper, seo-llm-site-architect

Validation

python3 $CODEX_HOME/skills/.system/skill-creator/scripts/quick_validate.py $CODEX_HOME/skills/semantic-core-builder
python3 $CODEX_HOME/skills/senior-skill-architect/scripts/lint_production_skill.py $CODEX_HOME/skills/semantic-core-builder

---name: semantic-core-builderdescription: Build an evidence-labeled semantic core and crawlable site structure from keyword harvests, existing content, or user-provided search-demand data. Use before SEO/LLM site architecture, concept prototypes, paid traffic planning, IA, or public-site redesign decisions.---# Semantic Core BuilderThis skill turns raw keyword/search inputs into a structured semantic core. It hands the result to `seo-llm-site-architect`, `concept-prototyper`, and later design/implementation skills.## Operating Modes- `build`: create `reports/semantic-core.json` and `docs/site-structure.md`.- `merge`: merge existing-site keywords, user-provided terms, and harvested demand.- `audit`: review a semantic core for missing provenance, duplicate clusters, or weak intent mapping.## Required Workflow1. Read [references/semantic-core-contract.md](references/semantic-core-contract.md).2. Load `reports/keyword-harvest.json` or a user-provided equivalent.3. Cluster keywords by intent and topic; label any LLM grouping as `Inference`.4. Produce cluster records: intent, priority, canonical URL candidate, page type, evidence, and confidence.5. Write machine-readable `reports/semantic-core.json` and human-readable `docs/site-structure.md`.6. Hand off to `concept-prototyper` and `seo-llm-site-architect`.## Safety And Evidence- Do not invent search volume or SERP facts.- If no real SERP/source evidence exists, label the output as `Manual` or `Inference`.- Do not bury conflicts; record cannibalization, unclear intent, or missing evidence.## Handoff Shape```textInput path:Clusters:High-priority URLs:Conflicts:Evidence gaps:Output paths:Next skills: concept-prototyper, seo-llm-site-architect```## Validation```bashpython3 $CODEX_HOME/skills/.system/skill-creator/scripts/quick_validate.py $CODEX_HOME/skills/semantic-core-builderpython3 $CODEX_HOME/skills/senior-skill-architect/scripts/lint_production_skill.py $CODEX_HOME/skills/semantic-core-builder```

Frequently asked questions

Semantic Core Builder

File contents

Semantic Core Builder

Operating Modes

Required Workflow

Safety And Evidence

Handoff Shape

Validation

Related skills

Frequently asked questions

How do I install the Semantic Core Builder skill?

What does the Semantic Core Builder skill do?

Is Semantic Core Builder safe to use?

Which AI agents work with Semantic Core Builder?

Is Semantic Core Builder free to use?

Who published Semantic Core Builder?