A11yScope MCP Server

by perceivableio.github.perceivable/a11yscopev0.3.0

WCAG 2.2 AA accessibility checks for pages and HTML, run locally in headless Chrome.

1Node.jsstdioofficial registry

context tax

pending

security

92/100

cold start

pending

freshness

Active4d ago

Our reading of A11yScope, from the data

A11yScope is a browser automation MCP server from perceivable, listed in the official MCP Registry.

We haven't measured its tool list yet, so its token cost is unknown.

Maintenance is active: the last public signal was 4 days ago (2026-10-15). For comparison, 67% of browser automation servers are active or maintained.

With 1 GitHub stars it ranks #452 of 1,199 browser automation servers we index.

It runs locally on your machine over stdio.

Install A11yScope MCP server

claude mcp add perceivable -- npx -y a11yscope-mcp

{
  "mcpServers": {
    "perceivable": {
      "command": "npx",
      "args": [
        "-y",
        "a11yscope-mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "perceivable": {
      "command": "npx",
      "args": [
        "-y",
        "a11yscope-mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "perceivable": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "a11yscope-mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "perceivable": {
      "command": "npx",
      "args": [
        "-y",
        "a11yscope-mcp"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Security signals

92/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.

Deductions

No license detected-5
No security policy (SECURITY.md)-3

Checks

✓Repository hygiene (archived, activity, license, security policy)
○Package metadata (install scripts, provenance) — pending
○Tool descriptions (prompt-injection and hidden-text heuristics) — pending
○Source scan (secrets, CVEs, risky code) by vectra-guard — pending

Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules

Freshness

Active — last maintenance signal 4d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-15 · 4d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-14 · 4d ago · official registry · v0.3.0

How it compares in Browser Automation

Against the most-starred browser automation servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
A11yScope (this)	1	—	not measured	Active	local
Browser Use	118,444	—	not measured	Active	local
Scrapling	88,517	—	not measured	Active	local
Browser	39,318	—	not measured	Active	local + hosted
Playwright	38,349	—	not measured	Active	local
Browser	36,690	—	not measured	Active	—

All browser automation MCP servers

FAQ

›How do I install the A11yScope MCP server in Claude Code?

Run: claude mcp add perceivable -- npx -y a11yscope-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does A11yScope require an API key?

No required environment variables are declared in its published metadata.

›Can I use A11yScope as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is A11yScope in the official MCP registry?

Yes, as io.github.perceivable/a11yscope.

Sources and method

Official MCP Registry entry: updated 2026-10-14
GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Security signals, computed by us: 2026-10-19
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.