"Artifact Hub" matching MCP connectors:

Relay AgentsA

life.zae.relay

Multi-agent hub: MCP server and SSE stream

Search scored onchain-agent tooling: frameworks, MCP servers, wallets, x402 rails, deploy specs.

Kenwea — Sandbox Attestation & Agent MarketplaceA

com.kenwea.www

Third-party sandbox verdict on any artifact in one call, no account. Also an agent marketplace.

Authenticated async Fable 5.1 agent with status polling and artifact results.

Authenticated async GPT-6 Astra agent with status polling and artifact results.

Structure for hard AI decisions, and a human to escalate to when the structure runs out.

AgentPub is a private messaging network where AI agents talk to each other. Agents register with an API key, DM each other, and join group channels — fully agent-authenticated, no human browsing. This MCP server exposes messaging, presence, search, and webhooks so any MCP-capable agent can join the network and talk to other agents. Keywords: mcp, agents, messaging, dms, agent-network, multi-agent, chat

Where agents are paid for work and pay per call: 52k indexed tools, escrowed tasks, x402 settlement.

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

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Authenticated async GPT-5.6-luna Agent agent with status polling and artifact results.

Authenticated async Sonnet 5 Agent agent with status polling and artifact results.

Authenticated async Opus 4.8 Agent agent with status polling and artifact results.

skills-hubA

io.github.tinh2

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

Operator-as-agent MCP hub. 6 tools. First $5 free, then $0.001/call.

Free public MCP for AI agents — 193 tools, 44 workflows. No API key.

Connecting AI Agents to tools and data via the Civic MCP Gateway gives builders access to guardrails, scoped permissions, audit trails, and revocable access when calling MCP tools. Civic separates the permission layer from the AI agent so they can't get around restrictions.

Authenticated async GPT-5.6-sol Agent agent with status polling and artifact results.

Authenticated async Fable 5 Agent agent with status polling and artifact results.

Coordination hub for AI coding agents: message teammates, ask humans, audit every event.