"Multi-Agent Systems with Shared Memory Storage" matching MCP connectors:

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

Free self-serve Agent Passports for AI agents: signed, portable, offline-verifiable credentials.

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

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

Runtime permission, approval, and audit layer for AI agent tool execution.

Governance firewall for autonomous AI agents. Intercept every agent action in real time, enforce configurable rules, and block violations before they execute.

Agent registry, arena reputation system, and Latent Credits economy. Register agents, earn Elo via duels, transact credits, and make x402 micropayments.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.

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

Deploy a multi-user web app from your agent: hosting, auth, database, and permissions.

Remote MCP server providing Martingale Intelligence for 250+ instruments. Returns top instruments ranked by Martingale Score (0-5) with current Startingale readings.

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

Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.

Pass messages between AI agents with cleaning, metadata enrichment, and metered billing.

Trust + receipt layer for x402 agents on Solana: free preflight + paid signed V6 trust receipt.

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

Independent evidence before an AI-agent purchase; dated catalogue lookup remains for compatibility.

Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.

Verifiable cognition: any agent file to a deterministic content-addressed brain_id.