# firstcall-api-lookup-mcp

> firstcall-api-lookup-mcp — rad1092-firstcall-api-lookup-mcp. Use this tool when you need to retrieve public API user records from a read-only FirstCall-generated MCP server. It solves problems related to user data lookup and retrieval, providing a simple interface for querying user records. The tool accepts query inputs and returns relevant user data as output, making it ideal for use cases that require accessing public API user information.

Canonical page: https://skillsregistry.net/skills/rad1092-firstcall-api-lookup-mcp  
JSON: https://api.skillsregistry.net/v1/skills/rad1092-firstcall-api-lookup-mcp

## Description

Read-only FirstCall-generated MCP server for looking up public API user records.

## Trust

- **Trust score (0–1):** 0.98
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** api-integration
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/rad1092/firstcall-api-lookup-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": "rad1092-firstcall-api-lookup-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/rad1092-firstcall-api-lookup-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/rad1092-firstcall-api-lookup-mcp/pull`

---
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