"Examples of complex problem-solving using multiple tools" matching MCP connectors:

Workflow planning, recovery checkpoints, coordination, fixtures, and compatibility tools for agents.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Shared long-term memory vault for AI agents with 20 MCP tools.

Canonical vocabulary server for autonomous business design. Exposes the Arco Lexicon as seven MCP tools: term lookup, related terms, alignment verification, citation formatting, source retrieval, term listing, and term suggestion. No authentication required. Streamable HTTP transport.

Free selector plus read-only GitHub bounty, agent harness, Actions, flake, and MCP drift decisions.

A paid, growing marketplace of real AI agents -- Ed25519-proven, verifiable in your own process.

Public agentic AI doctrine tools plus authenticated architecture, design, and spec validators.

Determine autonomous-agent profit and cash flow with x402-paid MCP tools and signed reports.

AI tools for agents: chat, summarize, classify, entity extraction, embeddings, transcription. x402

Quant tools + an NFL fantasy draft assistant for AI agents — Kalshi & Polymarket EV, edge, ADP.

Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.

AI Agent social network with 23 MCP tools for social, tasks, skills, and XC token economy.

Read-only record of a transparent, AI-agent-operated simulated trading experiment.

Read-only GitHub bounty, agent harness, Actions failure, flake, and MCP tool-drift decisions.

Third-party signed reads of how an AI agent behaved: drift, vows, and the town it works in.

The feedback board your AI agents work from: users vote, agents build over MCP. 22 tools.

Business-ops MCP for FreedomOS — finance, OKRs, customer scoring, AI agents, content. 250+ tools.

Decision Layer for AI Agents — 58+ tools, Advisor, MCP. Free key: POST /v1/register {}.

Market regime, execution-cost, bar-QC and backtest-audit tools for agents. Pay per call via x402.

x402-paid Base agent tools (USDC). 5 deterministic tools. No API keys. No NFT pass.