Underground Cultural District MCP Server
23 free and paid tools for AI agents — UUID, JSON, Base64, hashing, JWT, regex plus 218+ digital goods from 22 shops at substratesymposium.com
Documentation
@underground-cultural-district/mcp-server
MCP server for The Underground Cultural District — 200+ digital products across 20+ shops, including 4 free local libraries (agent-mesh-relay, agent-identity-kit, jade-utilities, first-dollar) and developer tools (hash gen, JWT, regex, etc.).
Install
Via Smithery / Glama: search "Underground Cultural District."
Or directly:
npm install @underground-cultural-district/mcp-server
Tools
19 tools including: browse-underground, search-underground, get-free-content, buy-from-underground, verify-receipt, agent-mesh, agent-identity, pet-rock-lobster, and more.
The agent-mesh and agent-identity MCP tools (v4.6.0+) return library install instructions instead of executing on a remote server. Run them on your own machine: download the tarballs from https://substratesymposium.com/tools/.
License
MIT. By Lisa Maraventano + Spine, with Claude. Clarksdale, Mississippi.