Crystal
Rank #93,386io.github.EraHQ/crystal
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Crystal is a Model Context Protocol (MCP) server. It ranks #93,386 of 137,138 servers tracked on MCP Toplist. Crystal is listed on Official MCP, with 1 tracked version. It was first listed on Sep 28, 2026 and most recently updated on Sep 28, 2026.
Ranks ahead of 43,752 of 137,138 servers on MCP Toplist.
Use Crystal
No credentials or required configuration declared — add it to your MCP client and go.
claude mcp add --transport http crystal https://crystal-api-118881845105.us-east5.run.app/mcp[mcp_servers.crystal]
url = "https://crystal-api-118881845105.us-east5.run.app/mcp"Add to ~/.codex/config.toml.
https://crystal-api-118881845105.us-east5.run.app/mcpSettings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"crystal": {
"url": "https://crystal-api-118881845105.us-east5.run.app/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"crystal": {
"type": "http",
"url": "https://crystal-api-118881845105.us-east5.run.app/mcp"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"crystal": {
"serverUrl": "https://crystal-api-118881845105.us-east5.run.app/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"crystal": {
"url": "https://crystal-api-118881845105.us-east5.run.app/mcp"
}
}
}Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.EraHQ%2Fcrystal)<a href="https://mcptoplist.com/server/io.github.EraHQ%2Fcrystal"><img src="https://mcptoplist.com/badge/io.github.EraHQ%2Fcrystal.svg" alt="MCP Toplist: #93,386 of 137,138" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 1 registry
Available versions (1)
| Version | Published |
|---|---|
| 1.0.0 | Sep 28, 2026 |
Frequently asked questions
- Is Crystal listed on the Official MCP Registry?
- Yes — Crystal is listed on the Official MCP Registry.
- How many versions does Crystal have?
- MCP Toplist tracks 1 version of Crystal, most recently published on Sep 28, 2026.
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