"How to test a React app" matching MCP connectors:

An MCP server that gives any LLM or agent clean YouTube transcripts on demand: a single video, a whole channel, or a playlist, plus AI cleanup of auto-generated captions. API-key auth, credit-based, same backend as the public v1 API. Get a free API key with 25 free credits at youtubetranscriptdownload.com/account.

AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel.

Company intelligence via UK Companies House and risk screening across 386 risk data sources.

Self-hostable team wiki; agents read & write it via MCP; Atlas turns your repo into a cited wiki.

Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 38 tools.

Turn any webpage into a structured action manifest — clickable, fillable, submittable elements.

Generate PDF/DOCX/XLSX/PPTX from templates+JSON. Convert Office/HTML/MD to PDF. Universal templating

Fail-closed guard clause for prediction-market agents before trade().

Manage tasks, sprints and daily planning in chat. ProWoDo's connector lets Claude, ChatGPT and other AI agents create and update tasks, plan sprints, write daily standups and assign work via natural language. 50+ tools, OAuth 2.0 secured.

AI reasoning checks any document against known international standards before your agent acts on it.

Classify data safety before storing or sharing. GDPR, HIPAA, PCI-DSS, CCPA. AI-powered.

Validate EU, UK, AU VAT numbers for AI agents. EU ViDA e-invoicing compliance.

rnv-color-mcp, a hosted color-workflow MCP server (Python, Streamable HTTP). Tools: mix (including Kubelka-Munk paint physics), convert between formats, generate harmonies, transform text case, and save/list/get named palettes. It resolves hex / CSS / custom brand color names and refuses unknown colors rather than guessing.

290+ quality-scored API capabilities for AI agents across 27 countries via MCP.

Read-only access to your what2post LinkedIn data: posts, profile stats, follower growth and goals.

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.

Check if a task runs locally vs cloud. Save money on calls that don't need cloud inference.

Government tender search for AI agents. UK, EU and US procurement opportunities.

DBRE-grade SQL analysis inside any MCP client. No connection. No install. Paste a query.