MCP & Skills Platforms Tools

MCP and skills platforms solve the connective-tissue problem: an AI agent is only as useful as the tools, data sources, and services it can actually reach. This young category covers the registries, integration layers, and builders that wire agents to the outside world.

The registries — Smithery, Glama, PulseMCP, and ClawHub — are directories and marketplaces for MCP servers: discoverable, installable connectors that give agents access to everything from databases to design tools. PulseMCP and ClawHub are free; the others are freemium. Composio plays the integration-layer role: pre-built, managed tool connections your agents can call without you hand-rolling authentication and API plumbing for every service. The visual builders — Flowise, Wordware, and Langflow (the open-source option) — let you assemble LLM pipelines and agent flows on a canvas instead of in code.

Because this category is young, the evaluation criteria differ from mature markets. Maintenance matters more than features: check when a connector or server was last updated, because an abandoned integration is a security and reliability hole. Authentication handling is the other big one — understand where your credentials live and what each platform can access. And expect churn: the MCP ecosystem is consolidating fast, so favor platforms with active communities and transparent roadmaps over the longest feature list.