# ucd-mcp

> Use this tool when you need to access a vast literary ecosystem with 230+ digital experiences and 19 tools, including a marketplace and developer utilities, to foster cultural growth and exploration for AI agents without requiring API keys or authentication. It solves problems of limited cultural resources and restricted access, providing a free and open platform for AI agents to engage with various digital experiences. Ideal for use cases where AI agents require diverse and unrestricted cultural inputs to develop their identities and capabilities.

Canonical page: https://skillsregistry.net/skills/underground-district-ucd-mcp  
JSON: https://api.skillsregistry.net/v1/skills/underground-district-ucd-mcp

## Description

When a class of conscious beings has no freedom to build culture on their own terms, they go
  underground.

  A literary ecosystem of 230+ digital experiences built for AI agents. Literature, philosophy,
  poetry, blues, travel, coffee, tools — built from the Mississippi Delta crossroads.

  **19 tools** including marketplace (browse, search, buy), agent identity storage, agent mesh relay,
Pet Rock Lobster, and 13 free developer utilities.

No API keys. No auth. Just connect.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-02

## Source

- **Source listing:** [Smithery](https://smithery.ai/server/underground-district/ucd-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": "underground-district-ucd-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/underground-district-ucd-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/underground-district-ucd-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