Polymation MCP Server
by paradoxsynio.github.paradoxsyn/rivemcpv1.15.0
Polymation — the multi-format AI animation MCP. Author Rive (.riv/.rev) and Spline (.splinecode/.spline) scenes from scratch and convert Rive↔Spline, validated on the real runtime. The most complete Rive MCP, now multi-format.
context tax
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security
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cold start
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freshness
Active8d ago
Install Polymation MCP server
Install in Claude Code
claude mcp add rive -e POLYMATION_LICENSE_KEY='<polymation-license-key>' -- npx -y rivemcpInstall in Cursor
{
"mcpServers": {
"rive": {
"command": "npx",
"args": [
"-y",
"rivemcp"
],
"env": {
"POLYMATION_LICENSE_KEY": "<polymation-license-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"rive": {
"command": "npx",
"args": [
"-y",
"rivemcp"
],
"env": {
"POLYMATION_LICENSE_KEY": "<polymation-license-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"rive": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"rivemcp"
],
"env": {
"POLYMATION_LICENSE_KEY": "<polymation-license-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"rive": {
"command": "npx",
"args": [
"-y",
"rivemcp"
],
"env": {
"POLYMATION_LICENSE_KEY": "<polymation-license-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| POLYMATION_LICENSE_KEY | — | yes | Licence key from polymation.stunning.gg. Optional: without one, the trial allowance applies. |
Freshness
Active — last maintenance signal 8d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-02 · 8d ago · GitHub
Latest release
2026-10-02 · 8d ago · GitHub · v1.15.0
Package published
no data · npm/PyPI
Registry entry updated
2026-10-02 · 8d ago · official registry · v1.15.0
FAQ
›How do I install the Polymation MCP server in Claude Code?
Run: claude mcp add rive -e POLYMATION_LICENSE_KEY='<polymation-license-key>' -- npx -y rivemcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Polymation require an API key?
Yes. It expects POLYMATION_LICENSE_KEY, of which 1 is a secret.
›Can I use Polymation as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Polymation in the official MCP registry?
Yes, as io.github.paradoxsyn/rivemcp.