# tc39-atlas

> tc39-atlas — bosens-china-tc39-atlas. Use this tool when you need to access and query the latest TC39 proposals, including details and changes, to stay up-to-date with the evolving JavaScript standard. It provides a comprehensive indexing and querying system, allowing for efficient retrieval of proposal information and daily synchronized data from the official TC39 dataset. Ideal for developers and researchers tracking JavaScript language developments and proposals.

Canonical page: https://skillsregistry.net/skills/bosens-china-tc39-atlas  
JSON: https://api.skillsregistry.net/v1/skills/bosens-china-tc39-atlas

## Description

Provides TC39 proposal indexing and querying capabilities via MCP, including proposal details, changes, and daily synchronized data from the official TC39 dataset.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/wug9f2b6zl)
- **Repository:** <https://github.com/bosens-China/tc39-atlas>

## 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": "bosens-china-tc39-atlas"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/bosens-china-tc39-atlas` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/bosens-china-tc39-atlas/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