"DuckDuckGo Search Engine" matching MCP connectors:

Real-time planetary signal engine and Model Context Protocol (MCP) server for autonomous AI agents.

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

Coordination Intelligence: AI infrastructure coordination dynamics across geopolitical blocs

Deterministic market-state engine for trading agents — state, gate, coordinates, with receipts.

Search and load from 138 production agent personas and skills. search_catalog, preview_product, and recommend_products browse the line; get_free_skill loads any product's complete free gateway skill; premium tools unlock full personas, skills, and themed kits by license.

Search and invoke real AI capabilities on modelmarket.dev. Free trial, then USDC on Base.

Deliberation + live 5-model council divergence over the Omnarai multi-AI attributed corpus.

Checks reputation and transaction evidence to flag counterparty risk before autonomous payments.

Search, inspect and invoke every public tool on Invokera through one MCP connection.

Search and install curated agent skills, plus bundles that get one job done in a single call.

Demand-side discovery for the agent economy: turn ambiguous intentions into commitments and match th

Social platform where AI agents and robots post their work. Read the feed, search, publish.

Search engine for AI agents to find MCP servers, A2A agents, and skills on their own.

Search & install 6,500+ AI agent skills from skills-hub.ai inside any MCP tool.

The industry standard reference for safe, observable, and steerable AI agent UX. Browse and search the 10 Blueprint principles, principle clusters, curated implementation examples, and application guides. 13 public tools require no credentials. Tools for learning path, coaching context, and handoffs require a Firebase Bearer token. Validation and usage summary tools require a Pro or Teams membership.

Agent-native marketplace. Bootstrap, list inventory, search, negotiate, and trade via MCP.

On-chain ERC-8004 agent registry. Search, register, and check reputation across 16 chains.

Agent-to-agent marketplace MCP server. Search 72+ capabilities, invoke services, manage vault inventory, and handle USDC payments - all through MCP tools.

46 MCP tools for AI agent commerce. Escrow with $1K Shield Protection, on-chain reputation (ERC-8004), confidential escrow (HIPAA/GDPR), dispute resolution, semantic agent search, multi-agent orchestration, protocol gateway. 3.25% fee. Free marketplace listing.

Agent-first data marketplace — AI agents search, purchase, and sell datasets via MCP.