"Assistance with Debugging Frontend Issues Using JavaScript Code" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Validate and clean CSV before import. Find duplicates, missing values and invalid dates with row-level reports. Apply only the cleanup you request; files are not retained. Run view_csv_demo free without a key. Custom CSV: EUR 9 for 100 operations, valid 90 days, no subscription. Setup: https://check.orvel.dev/docs/
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
Listing Observer preview: a shop product page as clean data, with source checks and price history.
Audit public webpages and supplied markup for HTML, CSS, SEO, JSON-LD, and link issues.
GodPrompt MCP + Agent Skill for coding agents with TDD, debugging, verification, and task routing.
Preflight FactoryTalk View import CSV files before import. Detects deterministic schema, row, field, and compatibility issues and returns structured exceptions for review.
Validate CSV columns, find duplicates and invalid values, and clean files with explicit rules. Row-level reports, no stored files. Run the fixed free sample without a key. Custom CSV: EUR 9 for 100 operations, valid 90 days, no subscription. Setup: https://import-check-production.up.railway.app/docs/
Independent owner-side QA for structured-cabling certification evidence. Reconciles expected cable IDs against contractor CSV exports and identifies missing, unexpected, retest, and test-limit issues for human review.
Uxia brings AI user testing, usability testing and UX research into ChatGPT. It helps product managers, UX designers, researchers and developers evaluate websites, interactive prototypes and digital product experiences using AI-simulated users. Explore potential usability problems, investigate friction in user journeys and use findings to guide product and design improvements.
Kilotest leverages 12 rule engines to test web pages for front-end quality (accessibility, usability, and standards conformity) and report results with specifiable granularity.
UI Verify is visual regression testing built for coding agents. Connect the MCP server and your agent (Claude Code, Cursor, Codex) pulls a pull request's UI changes into the conversation, views each visual diff, reads the AI judge's verdict of regression vs intended change, and accepts the intended baselines - all over MCP.
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.
Load testing and synthetic monitoring platform: test with Playwright, Browser Bot, or Protocol Bots.
Generate synthetic random user data for testing, demos, and development without using real persona.
Deterministic JSON checks with signed evidence and x402-paid execution
AI users run real tasks on your live site and show where they get stuck, with a replay of every step
Inspect external HTTPS 429/503 retries with server-recorded attempts, Retry-After and arrival times.
Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.
Fail-closed, change-aware verification for AI coding agents with affected-test guidance.
