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MCP server · Developer Tools

Muppet

by · github.com/muppet-dev/muppet

MCP Servers SDK for TypeScript

Unclaimed last commit a year ago mcpslibrarysdkdevtoolstypescriptmcpserver
InstallView source
62Good

Scored 8 hours ago · breakdown

About Muppet

Muppet is an MCP server published by muppet-dev in the Developer Tools category: mCP Servers SDK for TypeScript.

The repository has 118 stars and 7 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/muppet-dev/muppet

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 8 hours ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • !License declaredNo license file. Legally you have no right to use it in a product.
  • ✓Tests presentA test suite exists in the repository.
  • ✓Dependencies pinnedA lockfile pins dependency versions.
  • !No dynamic code executionSource scan found eval or shell execution. Review how tool inputs reach it before granting credentials.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

Releases

muppet@0.3.2muppet@0.3.2 · 21 Jul 2025What's Changed Everything, this is a complete rewrite. Check out the docs for more info - https://www.muppet.dev/docs/server
muppet@0.2.0v0.2.0 · 31 Mar 2025What's Changed [x] Resolved bugs [x] Improved ergonomics [x] Improved docs [x] Added more examples [x] Added tests

README

Muppet

npm version npm downloads license

Muppet is an open-source toolkit designed to simplify the entire lifecycle of your Model Context Protocol (MCP) servers—from development and testing to deployment.

For documentation visit muppet.dev.

Contributing

Visit our contributing docs.

README fetched from the repository 8 hours ago. The original is authoritative.

Questions

About Muppet

How do I install Muppet?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Muppet safe to use with an AI agent?

Its trust score is 62 out of 100 (good). It passes 3 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Muppet still maintained?

The last commit was a year ago and 2 open issues. That's long enough that you should check whether the maintainer is responding to issues before depending on it.