# email-on-acid-mcp

> email-on-acid-mcp — knaklabs-email-on-acid-mcp. Use this tool when you need to test and optimize email campaigns across various clients and platforms. It solves problems related to email rendering, spam testing, and authentication, providing inputs such as API requests and outputs like test results and client lists. It is ideal for use cases where ensuring email deliverability and compatibility is crucial, such as in marketing automation and email marketing workflows.

Canonical page: https://skillsregistry.net/skills/knaklabs-email-on-acid-mcp  
JSON: https://api.skillsregistry.net/v1/skills/knaklabs-email-on-acid-mcp

## Description

An MCP server exposing every documented Email on Acid API v5 request as a tool — 24 tools across authentication, email client lists, email rendering testing, and spam testing.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/slrj7hnm81)
- **Repository:** <https://github.com/KnakLabs/email-on-acid-mcp>

## 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": "knaklabs-email-on-acid-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/knaklabs-email-on-acid-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/knaklabs-email-on-acid-mcp/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