Mockserver MCP Server

MockServer ![Build status](https://buildkite.com/mockserver/mockserver)

People who work with mock server, proxy and java client and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Java.

VERIFIED ACTIVE

LAST COMMIT 2026-09-17 · ★ 4,972 · #11 OF 105 MAINTAINED COMMUNICATION · VERIFIED 2026-09-18

Apache-2.0 · Java · how we verify → /methodology

01 · Install Mockserver

Docker

docker run -i --rm docker.io/mockserver/mockserver:8.0.0

Claude Desktop - add to config

{
  "mcpServers": {
    "mock-server-mockserver-monorepo": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "docker.io/mockserver/mockserver:8.0.0"
      ]
    }
  }
}

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as container (OCI image) - can be sandboxed away from your filesystem

license Apache-2.0 - declared in the repository

registry vendor namespace com.mock-server - domain-verified with the official MCP registry

03 · What Mockserver can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

mockserver-8.0.0 · 2026-09-15

[8.0.0] - 2026-09-15 · Added · Test port allocation can opt into a fixed port band instead of the OS ephemeral range. · org.mockserver.socket.PortFactory normally finds a free port with bind(0), which draws from the…

mockserver-7.6.0 · 2026-08-17

[7.6.0] - 2026-08-17 · Changed · The three Kubernetes container-integration cases that need Java-built images - helm_sidecar_injection · (admission-webhook sidecar injection), helm_clustered_convergence, and…

mockserver-7.5.0 · 2026-07-29

[7.5.0] - 2026-07-29 · Security · response templates can no longer reach arbitrary Java classes by default, closing the · template remote-code-execution path reported as · GHSA-7pwj-xvc2-hfpc. · A caller who can reach…

04 · Who maintains Mockserver

mockserver is maintained by mock-server. It's the only MCP server we track from this author; the repo dates to Feb 2013.

05 · Facts

repository: github.com/mock-server/mockserver-monorepo
website: https://www.mock-server.com/
category: communication - ranked #11 of 105 actively-maintained communication servers as of 2026-09-18.
release cadence: 6 releases in the last 90 days (latest 2026-09-15)
registry: com.mock-server/mockserver (active, first published 2026-06-16 · 7 versions)
packages: oci:docker.io/mockserver/mockserver:8.0.0

06 · Mockserver FAQ

What is Mockserver?

MockServer ![Build status](https://buildkite.com/mockserver/mockserver)

Is Mockserver still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-17 and it shipped 6 releases in the last 90 days. We re-verify nightly.

How do I install Mockserver?

Run `docker run -i --rm docker.io/mockserver/mockserver:8.0.0`. You can also paste the ready-made client config above.

07 · Alternatives to Mockserver

Alternatives to Mockserver

Maintained communication servers if Mockserver isn't the fit.

Pairs well with

Servers that cover what Mockserver doesn't - only shown when the pairing reason fits the companion.

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