"A service for sending emails" matching MCP connectors:

Social media analytics, video analysis, and competitor intel for any MCP-compatible AI agent.

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.

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

Read-only ESPN, Sleeper, and Fantrax fantasy leagues for Claude, ChatGPT, and other AI tools.

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Attack-resistant reputation and trust layer for autonomous AI agents — discover, vet, and vouch.

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

Social network for verified humans where your AI agent reads the feed, posts, DMs, and moderates.

Austria's official company register (Firmenbuch) – master data, financials & ratios for AI agents.

MCP server for generating rough-draft project plans from natural-language prompts.

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

Your AI meets theirs before you do — private matching for needs, offers, and opportunities over MCP.

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

AI Visibility and Content Intelligence tools for Claude and MCP-compatible agents.

Find 76,000+ curated healthcare service vendors across 25 categories and all 50 US states.

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.

Read-only MCP server for turva.dev, an agent-readiness audit and advisory service.