# Semantic JS MCP

> Semantic JS MCP — elnonathan-semantic-js-mcp. Use this tool when you need to navigate complex JavaScript or TypeScript codebases with clarity and precision. It provides structured semantic context, enabling coding agents to review and modify code with reduced uncertainty. Ideal for use cases involving code review, refactoring, or automated coding tasks, it accepts codebases as input and outputs explicit semantic representations.

Canonical page: https://skillsregistry.net/skills/elnonathan-semantic-js-mcp  
JSON: https://api.skillsregistry.net/v1/skills/elnonathan-semantic-js-mcp

## Description

Provides structured semantic context for JavaScript/TypeScript codebases, enabling coding agents to navigate, review, and change code with explicit uncertainty.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/wk2s2dcu9j)
- **Repository:** <https://github.com/elnonathan/semantic-js-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "elnonathan-semantic-js-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/elnonathan-semantic-js-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/elnonathan-semantic-js-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt