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MCP server · Developer Tools

Yardstick

by · github.com/StacklokLabs/yardstick

Yardstick is an MCP server that provides a deterministic "yardstick" for clients and agents.

Unclaimed Apache-2.0 last commit 6 months ago devtools
InstallView source
59Fair

Scored 4 hours ago · breakdown

About Yardstick

Yardstick is an MCP server published by StacklokLabs in the Developer Tools category: yardstick is an MCP server that provides a deterministic "yardstick" for clients and agents. It has been installed 0 times through Conduid.

The repository has 3 stars and 2 forks, with the last commit 6 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues (0) before depending on it in production.

Install

Install
npx yardstick

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

  • ·README presentNot checked yet.
  • ·License declaredNot checked yet.
  • ·Tests presentNot checked yet.
  • ·Dependencies pinnedNot checked yet.
  • ·No dynamic code executionNot checked yet.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

Releases

v1.2.0v1.2.0 · 23 Jul 2026What's Changed chore(deps): update actions/upload-artifact digest to 043fb46 by @renovate[bot] in https://github.com/StacklokLabs/yardstick/pull/95 build(deps): Bump actions/setup-go from 6.3.0 to 6.4.0 by @dependabot[bot] in…
v1.1.3v1.1.3 · 1 Apr 2026What's Changed github workflows for security scans by @glageju in https://github.com/StacklokLabs/yardstick/pull/89 New Contributors @glageju made their first contribution in https://github.com/StacklokLabs/yardstick/pull/89 Full…
v1.1.2v1.1.2 · 1 Apr 2026What's Changed build(deps): Bump actions/setup-go from 6.1.0 to 6.2.0 by @dependabot[bot] in https://github.com/StacklokLabs/yardstick/pull/66 build(deps): Bump docker/login-action from 3.6.0 to 3.7.0 by @dependabot[bot] in…
v1.1.1v1.1.1 · 23 Jan 2026What's Changed chore(deps): update golangci/golangci-lint-action action to v9.2.0 by @renovate[bot] in https://github.com/StacklokLabs/yardstick/pull/58 build(deps): Bump actions/checkout from 5.0.1 to 6.0.0 by @dependabot[bot] in…
v1.1.0v1.1.0 · 3 Dec 2025What's Changed feat: add header-based authentication for HTTP transports by @jhrozek in https://github.com/StacklokLabs/yardstick/pull/57 New Contributors @jhrozek made their first contribution in…

README

GitHub Release Test Go Report Card

An MCP Server and Client that provides a yardstick implementation and reference for testing.

Features

  • Server
    • Full Transport Coverage: Supports running in all three transport types (stdio,sse and streamable-http)
    • Deterministic response: Provides the ability for deterministic testing, ensuring each response is tied to its specific request
    • Securely built: Secure and minimal OCI Image that does not require elevated privileges to run
  • Client
    • Full Transport Coverage: Supports running against all types of MCP Servers (stdio,sse and streamable-http)
    • Support for Containers: Containerised MCP Servers are supported (and preferred)

Currently there are many Clients and MCP Servers that do many things, however there weren't any that satisfied our need for testing. We required a deterministic MCP server that had first class container support and was securely built. We also required Clients that can be used against all three transport types that can be used in a testing process.

Contributing

We welcome contributions to this MCP server! If you'd like to contribute, please review the CONTRIBUTING guide for details on how to get started.

If you run into a bug or have a feature request, please open an issue in the repository or join us in the #mcp-servers channel on our community Discord server.

License

This project is licensed under the Apache v2 License - see the LICENSE file for details.

README mirrored from the source repository 4 hours ago. The original is authoritative.

Questions

About Yardstick

How do I install Yardstick?

Run npx yardstick, then add the server to your MCP client's configuration. Conduid has recorded 0 installs, so the command is known to work with current clients.

Is Yardstick safe to use with an AI agent?

Its trust score is 59 out of 100 (fair). It passes 0 of 1 static security checks; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Yardstick still maintained?

Yes — the latest release is v1.2.0 (23 Jul 2026), and the last commit was 6 months ago. The repository has 3 stars and 0 open issues.