# Assay MCP Server

> Use this tool when you need to enforce policies and capture evidence in a flexible and portable manner. The Assay MCP Server acts as a proxy, controlling access and generating output that can be easily used for further analysis or auditing. Ideal for scenarios requiring secure and compliant data exchange, this tool streamlines policy enforcement and evidence collection.

Canonical page: https://skillsregistry.net/skills/io-github-rul1an-assay-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/io-github-rul1an-assay-mcp-server

## Description

Policy-enforcing MCP proxy with portable evidence output.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** unverified

## Facts

- **Version:** 3.5.1
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-04-22

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.Rul1an%2Fassay-mcp-server)
- **Repository:** <https://github.com/Rul1an/assay>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "io-github-rul1an-assay-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-rul1an-assay-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-rul1an-assay-mcp-server/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt