# Baseline (Web Platform Compatibility)

> Use this tool when you need to determine the compatibility status of web features across different browsers, as it provides support status information for Web Platform APIs and returns data on whether features are widely supported, have limited support, or lack sufficient data. It solves problems related to web development discussions by offering up-to-date browser compatibility information. The tool accepts queries and returns formatted responses in MCP-compatible format, making it ideal for use cases where accurate and current compatibility data is required.

Canonical page: https://skillsregistry.net/skills/yamanoku-baseline-web-compatibility  
JSON: https://api.skillsregistry.net/v1/skills/yamanoku-baseline-web-compatibility

## Description

Baseline MCP Server provides support status information for Web Platform APIs by connecting to the WebStatus API. Developed by yamanoku, this Deno-based implementation allows AI assistants to query the baseline compatibility status of web features across browsers, returning whether features are widely supported, have limited support, are newly introduced, or lack sufficient data. The server includes utilities for feature status retrieval and formatting responses in MCP-compatible format, making it particularly useful for web developers seeking up-to-date browser compatibility information during development discussions.

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** browser-automation
- **Updated:** 2026-09-02

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/yamanoku-baseline-web-compatibility)
- **Repository:** <https://github.com/yamanoku/baseline-mcp-server>

## 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": "yamanoku-baseline-web-compatibility"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/yamanoku-baseline-web-compatibility` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/yamanoku-baseline-web-compatibility/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