Crystal MCP Server
io.github.EraHQ/crystalv1.0.0
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Active11d ago
Install Crystal MCP server
Install in Claude Code
claude mcp add --transport http crystal https://crystal-api-118881845105.us-east5.run.app/mcpInstall in Cursor
{
"mcpServers": {
"crystal": {
"url": "https://crystal-api-118881845105.us-east5.run.app/mcp"
}
}
}Install in Claude Desktop
{
"mcpServers": {
"crystal": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://crystal-api-118881845105.us-east5.run.app/mcp"
]
}
}
}Or add it as a custom connector under Settings → Connectors. The config above bridges via mcp-remote.
Install in VS Code
{
"servers": {
"crystal": {
"type": "http",
"url": "https://crystal-api-118881845105.us-east5.run.app/mcp"
}
}
}Install in Windsurf
{
"mcpServers": {
"crystal": {
"serverUrl": "https://crystal-api-118881845105.us-east5.run.app/mcp"
}
}
}Remote endpoints
- streamable-http
https://crystal-api-118881845105.us-east5.run.app/mcp
Freshness
Active — last maintenance signal 11d ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-28 · 11d ago · official registry · v1.0.0
FAQ
›How do I install the Crystal MCP server in Claude Code?
Run: claude mcp add --transport http crystal https://crystal-api-118881845105.us-east5.run.app/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Crystal require an API key?
No required environment variables are declared in its published metadata.
›Can I use Crystal as a remote (hosted) MCP server?
Yes. It is a hosted MCP server; connect to its URL with any client that supports remote MCP.
›Is Crystal in the official MCP registry?
Yes, as io.github.EraHQ/crystal.
Alternatives to Crystal
Other memory MCP servers.