Best AI MCP Tools

A free, open-source agent for recurring research, development and operational work, with reusable skills, persistent memory, official Desktop and specialist Bots. Optional Portal credits and Cloud hosting simplify parts of the setup without making usage unlimited.

Composio connects AI assistants and custom agents to more than 1,500 apps with managed authentication and on-demand tool discovery. Use its connectors and plugins with an existing assistant, or its SDKs to build integrations into your own product. Hobby is free; Pro costs $29 per month with usage credit.

Treg gives existing AI agents a shared catalog of data tools, upfront endpoint pricing and prepaid access to eligible providers. Best suited to occasional SEO, prospecting and marketing research across vendors, with support for own keys and team tools.

Monid lets existing AI agents discover, inspect and run outside tools through a shared prepaid wallet. Best suited to occasional research across changing sources, with skill, MCP, CLI and HTTP connections.

Orgo brings persistent cloud computers and live desktop access into one visual dashboard. It is a strong fit for agencies managing AI agents for clients, or individuals running their own always-on Hermes Agent. Ready-made templates simplify deployment, with plans from $29 per month. Model usage is separate; Windows and custom templates require Scale, and Mac remains in closed beta.

Zernio gives developers and AI agents a common API for social publishing, scheduling, messaging, and engagement. You can make those actions part of your own app or automation instead of building each platform connection separately. This is the option to investigate when you want control over the workflow itself, such as publishing approved assets from an internal system or letting an agent prepare scheduled posts.

Executor is an open-source MCP gateway for sharing app connections across AI agents. Combine MCP servers and APIs, discover tools on demand and set approval policies. Cloud is free for up to three members; Team costs $15 per member per month. Local and self-hosted options are available.