"Web crawler for sequential URL content retrieval" matching MCP connectors:

Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.

Generate synthetic random user data for testing, demos, and development without using real persona.

Drive real Android & iOS devices and web browsers from natural language for mobile + web QA. 145+ tools across device control, app management, automation sessions, browser automation, and flow recording / replay. Bearer-auth — get a token at robotactions.com → Profile → API Tokens.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Hosted MCP server for structured code review passes on human- and AI-written code. Free tier.

A fully free linter for agent skill files: lint_skill validates YAML frontmatter, structure, size budgets, and safety phrasing with a pass/fail verdict; packaging_check validates zip layout against marketplace rules; plus regex_test, json_validate, diff_texts, and cron_explain for skill authors. No license or account required.

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

Scan any website or MCP server for agent readiness: 0-100 score, a fix per failing check. Free.

Paid x402 MCP tool for stress-testing launch and marketing copy before publication.

Deterministic motion compiler + validator: reports WCAG 2.2.2 pause-path candidates, fail-closed.

X-Z-CS AI validation with auditable reasoning. 8 active tools; 5 in maintenance. v0.5.59

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

Preflight QA for AI-agent deliverables with structured verdicts and repair guidance.

Creative-intelligence MCP for campaign strategy, ad builds, QA, and reporting.

Pre-execution governance for AI agents. Deterministic PASS/FAIL/REVIEW verdicts, replayable proof.

Hire a real human for real-world verification, product testing, AI output review, and errands.

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.

Generate deterministic placeholder image URLs and packs for docs, staging, testing, and AI agents.

Generate realistic, FK-consistent synthetic test data for your databases from your AI assistant.

Read-only MCP server for the OPERANT AI operating-agent calibration benchmark.