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18 changes: 14 additions & 4 deletions README.md
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**The open behavioral litmus harness for MCP servers — grade A–F, reproducible.**

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[![npm](https://img.shields.io/npm/v/@polygraphso/litmus?style=flat-square&labelColor=0d1117&color=6f42c1)](https://www.npmjs.com/package/@polygraphso/litmus) [![CI](https://img.shields.io/github/actions/workflow/status/polygraphso/litmus/ci.yml?branch=main&style=flat-square&labelColor=0d1117&label=ci)](https://github.com/polygraphso/litmus/actions/workflows/ci.yml) [![license](https://img.shields.io/badge/license-Apache--2.0-555?style=flat-square&labelColor=0d1117)](LICENSE) [![Glama](https://glama.ai/mcp/servers/polygraphso/litmus/badges/score.svg)](https://glama.ai/mcp/servers/polygraphso/litmus) [![graded by polygraph](https://polygraph.so/api/badge?server=npm/@polygraphso/litmus)](https://polygraph.so/mcp/npm/@polygraphso/litmus)
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<table>
<tr>
<td><a href="https://www.npmjs.com/package/@polygraphso/litmus"><img alt="npm" src="https://img.shields.io/npm/v/@polygraphso/litmus?style=flat-square&amp;labelColor=0d1117&amp;color=6f42c1" /></a></td>
<td><a href="https://github.com/polygraphso/litmus/actions/workflows/ci.yml"><img alt="CI" src="https://img.shields.io/github/actions/workflow/status/polygraphso/litmus/ci.yml?branch=main&amp;style=flat-square&amp;labelColor=0d1117&amp;label=ci" /></a></td>
<td><a href="LICENSE"><img alt="license" src="https://img.shields.io/badge/license-Apache--2.0-555?style=flat-square&amp;labelColor=0d1117" /></a></td>
<td><a href="https://glama.ai/mcp/servers/polygraphso/litmus"><img alt="Glama" src="https://glama.ai/mcp/servers/polygraphso/litmus/badges/score.svg" /></a></td>
<td><a href="https://polygraph.so/mcp/npm/@polygraphso/litmus"><img alt="graded by polygraph" src="https://polygraph.so/api/badge?server=npm/@polygraphso/litmus" /></a></td>
</tr>
</table>

## Gate your CI on MCP grades — GitHub Action

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