"A list or overview of multiple search engines" matching MCP connectors:

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

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

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

Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).

MCP server for agent-run URL A/B testing. Create projects, allowlist domains, launch URL experiments, track conversions, and retrieve performance reports for customer-owned sites.

CometChat docs search + implementation bundles: add chat, voice, video & moderation to your app.

Generate and read PDFs for AI agents: a generate_pdf and a read_pdf tool, priced per document.

Reassign: a circular 24-hour calendar and time-tracking copilot with ADHD-friendly scheduling.

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

Search real hotels, get live per-night quotes, and check out — all in chat. Guest search and checkout-link tools need no sign-in; OAuth unlocks saved trips, booking management, and one-click checkout. Renders interactive results, hotel-detail, and checkout widgets.

Ready for a new way to bill pay? Pay any US bill in a snap, right from your AI assistant. Describe or snap a photo of your bill (electric, water, gas, internet, phone, medical, credit card, rent, parking tickets, traffic violations and more) and Papaya reads it, then hands you a secure link to pay by card. Fast, secure, and no juggling twelve logins, with full or partial payments and status updates. Available in the US only. Powered by Papaya (papayapay.com).

Meta-search MCP for x402 agent-payable services -- find paid APIs across every registry.

Pay any US bill in a snap, right from your chat — utilities, medical, rent, parking tickets & more.

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

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Search scientific papers with structured experimental data from full-text studies

Condition-aware ingredient & product safety intelligence for agents: verdict + evidence tier + per-claim evidence_state (cited = ≥1 verified citation / referenced = sourced-but-unverified) + citations, across breastfeeding, pregnancy, histamine/MCAS, rosacea, HS, allergy, fertility, and toddler lenses. Includes validate_claim to fact-check a free-text health claim against curated cited sources.

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

Generate, search, and manage codebase documentation on DocuWriter.ai. 72 tools incl. Autopilot.

CatchAll is a web search API built for comprehensive event retrieval — not ranked results, but all matching records.