# Work Email Waterfall MCP Server

> Work Email Waterfall MCP Server — mambalabsdev-mcp-email-waterfall-orchestrator. Use this tool when you need to verify work emails for contacts, as it enables finding and validating email addresses through a sequential waterfall of provider keys. It solves problems of inaccurate or outdated contact information by providing per-provider cost attribution and verification after each finder. Ideal for use cases requiring reliable email verification, such as sales outreach or marketing campaigns, with inputs of contact data and outputs of verified work emails.

Canonical page: https://skillsregistry.net/skills/mambalabsdev-mcp-email-waterfall-orchestrator  
JSON: https://api.skillsregistry.net/v1/skills/mambalabsdev-mcp-email-waterfall-orchestrator

## Description

Enables finding and verifying work emails for contacts through a waterfall of provider keys, with per-provider cost attribution and verification after each finder.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/i4jbcfxx2c)
- **Repository:** <https://github.com/mambalabsdev/mcp-email-waterfall-orchestrator>

## 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": "mambalabsdev-mcp-email-waterfall-orchestrator"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/mambalabsdev-mcp-email-waterfall-orchestrator` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/mambalabsdev-mcp-email-waterfall-orchestrator/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