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Coder: MCP server, setup and security

Coder is an open-source MCP server published on GitHub that lets an AI agent manage Coder workspaces, templates, and cloud-based software development environments. Its repository has 17,163 stars and its last commit is from October 24, 2026 and it is licensed under AGPL-3.0.

Actively maintainedRemote serverTop 10% by stars

What Coder does

According to its repository: “Manage Coder workspaces, templates, and cloud development environments”

The Model Context Protocol (MCP) is a standard plug between an AI agent and an outside service: once the server is connected, its tools show up in the agent, which decides when to call them. Coder is listed under Cloud platforms, a category of 116 servers in the directory, where it ranks #1 by stars.

Topics declared by the repository: remote-development, development-environment, ide, dev-tools, vscode, jetbrains.

Installing and connecting Coder

Distribution modes declared in the official MCP registry:

  • remote server (streamable-http): you connect to it by URL, with nothing to install locally

It works with any MCP-compatible client (Claude Desktop, Claude Code, Cursor, VS Code, Codex and most recent agents). You add one entry to the client's MCP configuration: server name, start command or URL, environment variables. Project language: Go.

Security: what to check

Connecting an MCP server means installing software that talks straight to your agent: it runs with your rights and the model trusts its tool descriptions. The risk therefore depends on what it can touch and how far its code can be trusted.

None of the risk signals we track (system access, secrets, missing licence, abandonment) applies to Coder. That does not replace reading the code.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on December 22, 2021, the coder/coder repository has 17,163 stars and 1,638 forks, with 740 open issues. It is one of the most starred servers in the directory. It received changes this month. Version published in the registry: 2.38.2 (October 23, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.

CoderCoder : 17.2K17.2KKubesharkKubeshark : 12.1K12.1KAwslabs MCPAwslabs MCP : 9.8K9.8KMCP server cloudflareMCP server cloudflare : 4.4K4.4KKubefwdKubefwd : 4.2K4.2KSocraticodeSocraticode : 3.4K3.4KKubernetes MCP serverKubernetes MCP server : 2.2K2.2KAzure DevOps (ADO)Azure DevOps (ADO) : 2.1K2.1K
GitHub stars of the most followed servers in the category (log scale); Coder in orange. Checked October 25, 2026.

Verdict

Coder is one of the most solid servers in its category: followed, maintained and well framed.

Strengths

  • Active project: recent commit
  • Widely followed: 17.2K stars
  • Listed in the official MCP registry
  • Usable remotely, without installation

Frequently asked questions

How do I install Coder?

Coder is distributed as a remote server. Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of coder/coder.

Is Coder free?

The code is published under the AGPL-3.0 licence and can be used free of charge.

Is Coder safe?

No risk signal found (system access, secrets, licence, abandonment). As with any MCP server, keep rights minimal and read the code before sensitive use.

Is it an official server?

Nothing says so: it is a project published by coder on GitHub. Check who maintains it before giving it access.

What are the alternatives to Coder?

In the same category: MCP server cloudflare, Awslabs MCP, Terraform, and Kubefwd. MCP server cloudflare scores higher on our grid.

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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score