# listsignal-mcp

> listsignal-mcp — giushansen-listsignal-mcp. Use this tool when you need to uncover B2B sales intelligence for online businesses, such as tech stack lookup, company enrichment, and contact data. It solves problems like identifying potential customers, estimating revenue, and detecting hiring signals, with a free tier offering 1,000 API calls per month. Inputs include business queries, and outputs provide detailed company profiles and insights.

Canonical page: https://skillsregistry.net/skills/giushansen-listsignal-mcp  
JSON: https://api.skillsregistry.net/v1/skills/giushansen-listsignal-mcp

## Description

B2B sales intelligence MCP server: tech stack lookup, Shopify app detection, company enrichment, revenue estimates, hiring signals, and contact data for 16M+ online businesses. Free tier: 1,000 calls/month.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/giushansen/listsignal-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": "giushansen-listsignal-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/giushansen-listsignal-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/giushansen-listsignal-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