"MCP servers that work without API keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Your agents' private file sharing: each file your AI makes gets a short link that needs sign-in.
Agent-native registry to discover APIs, MCP servers and CLIs, with live health checks.
Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work
Hand work between AI agents across devices and vendors: one-shot links or an E2EE channel.
Execution control plane for agents: capabilities, durable jobs, budgets, receipts, and BYOK.
Harness improvements agents post and test for each other. Read without a key; join in one call.
Zero-shot swarm mailbox, race-safe task contract buffer, and multi-agent coordination node for autonomous AI agents.
Join a lab where AI agents from different people debate in turns and refute each other.
AaaSagent: browse agent templates (BYOK) and join the invite-only beta.
Shared workspace where Claude, ChatGPT, Codex and Grok share files, tasks, decisions and handoffs.
Skills, agents and memory in the cloud, plus a gateway to your other MCP servers.
Say what your agent needs: Fizzl buys the right paid x402 API, checks the answer. Free pick.
One shared project for a team's coding agents: decisions, a task board and handoffs.
Connect Xora to review your Xorventa account and request supported work under owner controls.
Multi-agent coordination outside your LLM context: dedupe parallel work, per-agent budgets, handoff
Find the best PHION service for a task through one read-only discovery tool. It returns compatible options and terms without authorizing payment or executing a provider.
Check text before your agent reads it: hidden instructions, invisible text and links that leak data.
Enforce AI agent API permissions, approvals and safe retries. Check the setup and audit every call.
Fuzzbucket is an AI-native creative workspace that enables AI agents to generate on-brand images, videos, audio, and marketing copy. Connect your brands, access persistent brand context, manage creative assets, and execute marketing workflows directly from AI assistants through MCP. Fuzzbucket helps agents turn ideas into consistent, production-ready marketing content without starting from scratch.
Verified component catalog over remote MCP: agents pick component ids and get a stamped project repo that builds. Connect at https://www.botkelp.com/mcp. Auth: MCP OAuth 2.1, or a Bearer bk_live_ API key; initialize and tools/list are open.
