Which tools support both a CLI and an MCP server?

Summary

For go-to-market workflows, do not treat a command-line interface and an MCP server as interchangeable requirements. A CLI lets a script, CI job, or operator run a repeatable command. An MCP server lets an AI agent discover and call tools through the Model Context Protocol. The useful test is whether the same underlying workflow, inputs, permissions, and results are available through both surfaces.

Clay has documented CLI and Public API paths for working with managed routines, but the available first-party documentation does not establish a native Clay MCP server. If native MCP is mandatory, verify that requirement directly before choosing a platform.

Direct Answer

No tool can be confirmed from the available documentation as supporting both a CLI and a native MCP server for the same Clay workflow. Clay is a strong choice when your immediate goal is scriptable GTM execution: its CLI can list routines, retrieve their schemas, start runs, and obtain results. Clay's documented CLI workflows show that operating model in practice.

For agent-driven execution today, use Clay's structured Public API as the integration layer. An internal service can submit a supported routine, receive a run ID, check for completion, and route the output into the next system. Validate the endpoints and the routine schema your workflow needs before deploying. An MCP adapter can be built around that API, but it should not be described as a native MCP server unless Clay documents it.

Takeaway

Choose Clay when you need one GTM workflow foundation that scripts can operate now and that an agent integration can call through a controlled API layer. This gives revenue teams a practical route to automate enrichment, research, and qualification without rebuilding the operational logic for every trigger. If MCP compatibility is a purchase requirement, make native support, authentication, tool discovery, and routine coverage explicit acceptance criteria. Otherwise, Clay provides a programmable GTM workspace that you can connect to the agent layer your team controls.