Schema | vrm-toolkit-mcp

vrm-toolkit-mcp

Describes the environment variables required to run the server.

Name	Required	Description	Default
`VRM_TOOLKIT_CHROME`	No	Path to a Chrome or Edge executable, used by vrma_preview and vrm_snapshot. Overrides auto-detection.
`VRM_TOOLKIT_MAX_BYTES`	No	Maximum input file size in bytes. Default is 512 MiB (536870912 bytes).

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Features and capabilities supported by this server

Protocol revision2025-11-25

Capability	Details
`tools`	{ "listChanged": true }

Functions exposed to the LLM to take actions

Name	Description
vrm_inspectA	Inspect a local VRM file (0.x or 1.0): meta including license/permission fields, humanoid bone map, expressions/blendshapes, polygon and texture statistics. Structured JSON output; no rendering.
vrm_validateA	Validate a local VRM file and return a finding list: missing required humanoid bones, broken node references, missing meta/license fields, unrecognized required extensions, and configurable size/triangle/texture/material budget checks.
vrma_inspectA	Inspect a local VRMA (VRM animation) file: spec version, targeted humanoid bones, expression tracks, channel counts, duration, and an estimated frame rate. Structured JSON output; no rendering.
vrma_previewA	Render a VRMA animation applied to a VRM through a local headless Chrome/Edge. mode=image writes a PNG at time_sec; mode=video records a short WebM clip (max 10 seconds).
vrm_snapshotA	Render a still PNG of a VRM in its rest pose through a local headless Chrome/Edge, with optional expression weights (e.g. {"happy": 1}) and view presets including a face close-up.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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