# Exa Neural Search

Search the web, code and companies with Exa's neural search engine.

- Repository: https://github.com/affaan-m/ECC (294725 stars)
- Category: Data and ML
- License: MIT
- Last updated: 2026-10-30
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add affaan-m/ECC --skill exa-search -g -a claude-code -y`
Codex: `npx skills add affaan-m/ECC --skill exa-search -g -a codex -y`
Cursor: `npx skills add affaan-m/ECC --skill exa-search -g -a cursor -y`
Gemini CLI: `npx skills add affaan-m/ECC --skill exa-search -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add affaan-m/ECC`

## Description

Neural search via Exa MCP for web, code, and company research. Use when the user needs web search, code examples, company intel, people lookup, or AI-powered deep research with Exa's neural search engine.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# Exa Search

Neural search for web content, code, companies, and people via the Exa MCP server.

## When to Activate

- User needs current web information or news
- Searching for code examples, API docs, or technical references
- Researching companies, competitors, or market players
- Finding professional profiles or people in a domain
- Running background research for any development task
- User says "search for", "look up", "find", or "what's the latest on"

## MCP Requirement

Exa MCP server must be configured. Add to `~/.claude.json`:

```json
"exa-web-search": {
  "command": "npx",
  "args": ["-y", "exa-mcp-server"],
  "env": { "EXA_API_KEY": "YOUR_EXA_API_KEY_HERE" }
}
```

Get an API key at [exa.ai](https://exa.ai).

## Core Tools

### web_search_exa
General web search for current information, news, or facts.

```
web_search_exa(query: "latest AI developments 2026", numResults: 5)
```

**Parameters:**

| Param | Type | Default | Notes |
|-------|------|---------|-------|
| `query` | string | required | Search query |
| `numResults` | number | 8 | Number of results |

### web_search_advanced_exa
Filtered search with domain and date constraints.

```
web_search_advanced_exa(
  query: "React Server Components best practices",
  numResults: 5,
  includeDomains: ["github.com", "react.dev"],
  startPublishedDate: "2025-01-01"
)
```

**Parameters:**

| Param | Type | Default | Notes |
|-------|------|---------|-------|
| `query` | string | required | Search query |
| `numResults` | number | 8 | Number of results |
| `includeDomains` | string[] | none | Limit to specific domains |
| `excludeDomains` | string[] | none | Exclude specific domains |
| `startPublishedDate` | string | none | ISO date filter (start) |
| `endPublishedDate` | string | none | ISO date filter (end) |

### get_code_context_exa
Find code examples and documentation from GitHub, Stack Overflow, and docs sites.

```
get_code_context_exa(query: "Python asyncio patterns", tokensNum: 3000)
```

The rest: https://github.com/affaan-m/ECC/blob/HEAD/.agents/skills/exa-search/SKILL.md