# Semantic Search Setup How Semantic Search Works

> Sub-skill of semantic-search-setup: How Semantic Search Works.

- Skill: `vamseeachanta/semantic-search-setup-how-semantic-search-works` (Agent Skill)
- Install (CLI): `npx skillmds@latest add vamseeachanta/semantic-search-setup-how-semantic-search-works`
- Raw SKILL.md: https://api.skillmd.com/api/skills/vamseeachanta/semantic-search-setup-how-semantic-search-works/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: vamseeachanta (https://skillmd.com/u/vamseeachanta)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/vamseeachanta/semantic-search-setup-how-semantic-search-works

---


# How Semantic Search Works

## How Semantic Search Works


```
Text Chunk                    Query
    |                           |
    v                           v
+---------+               +---------+
| Embed   |               | Embed   |
| Model   |               | Model   |
+----+----+               +----+----+
     |                         |
     v                         v
[0.12, -0.34, ...]       [0.15, -0.31, ...]
     |                         |
     +------------+------------+
                  |
                  v
           Cosine Similarity
                  |
                  v
             0.847 (similar!)
```