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Polymation

paradoxsyn/rivemcp-releases

This gives Claude full programmatic control over Rive animation files through 139 tools that handle shapes, gradients, keyframe animation, state machines, skeletal rigging, and physics baking. You can describe a bouncing ball or an interactive button in plain English and get back a .riv file ready to drop into your app, or a .rev file to open in Rive Editor for further tweaking. It includes high-level APIs for particle systems and scene composition, plus lower-level primitives for bones, IK constraints, data binding, and nested artboards. Comes with three free exports per machine, then requires a license. Useful when you need production-ready animations generated from prompts instead of manual keyframing.

tools
3
auth
Secret needed
transport
STDIO
env var
1
last updated
Nov 10, 2026
View on GitHub

Tools

3 tools

Public tool metadata for what this MCP can expose to an agent.

find_toolFinds the one for a job, and runs it via use_tool.

Finds the one for a job, and runs it via use_tool.

No parameter schema in public metadata yet.

use_toolRuns a tool found by find_tool.

Runs a tool found by find_tool.

No parameter schema in public metadata yet.

report_problemSends the team a problem report, only one you have seen and agreed to send.

Sends the team a problem report, only one you have seen and agreed to send.

No parameter schema in public metadata yet.

Sponsors

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Configuration

POLYMATION_LICENSE_KEYsecret

Licence key from polymation.stunning.gg. Optional: without one, the trial allowance applies.

Readme

Polymation (rivemcp)

An MCP server that authors Rive files and converts other animation formats into them — offline, with no design app and no account. Your AI assistant describes the animation; Polymation writes the file, renders it with Rive's own runtime to check it, and reports every decision a conversion had to make.

View the full README on GitHub

Details

Repository
github.com/paradoxsyn/rivemcp-releases
Website
polymation.stunning.gg
Category
Design & Creative
Package
rivemcp
Transport
STDIO
Auth
Required
Registry
MCP registry, active

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