"AWS instance metadata service endpoint URL" matching MCP connectors:

Score any URL against a real design contract — 40 checks, A-F grade, token + motion validation.

Regex matching, email/URL format validation, and JSON Schema validation.

Benchmark-first release surface with a read-only MCP endpoint and operator CLI.

A webhook inbox for agents: one call returns a live URL. Mock, verify, inspect and replay.

Validate up to 75,000 URLs per job (status, redirects, response times). OAuth 2.1.

WCAG-Compliance/wcagc-mcp lets an assistant run real axe-core accessibility scans through the user's own wcagc account, rather than guessing accessibility from markup it can see. Tools cover a single URL or PDF, a full-site crawl, saved multi-step journeys, and violation trends.

## Skill Catalog The library contains 42 public skills organized by Rails development concern. | Category | Examples | |----------|----------| | Planning | `create-prd`, `generate-tasks`, `plan-tickets` | | Testing | `plan-tests`, `write-tests`, `test-service`, `triage-bug` | | Code quality | `code-review`, `respond-to-review`, `security-check`, `refactor-code` | | Architecture and DDD | `define-domain-language`, `review-domain-boundaries`, `model-domain`, `review-architecture` | | Rails imple

MCP-native AI browser testing for coding agents. Submit a URL + goal, get back action trail, bugs, screenshots, and WebM video your agent patches from directly. 43 tools, 12 AI evaluation personalities, combo tiers with auto-pause-on-bugs, throwaway email + SMS inboxes.

Hosted MCP endpoint with realistic fake data for prototyping agents. 12 tools, no setup.