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Attach weapons and props to rigged 3D characters: hand-bone detection, fist close, engine binds.
About
Attach weapons and props to rigged 3D characters: hand-bone detection, fist close, engine binds.
Security Report
This is a lean MCP client for the GripForge 3D rigging API with appropriate authentication and minimal attack surface. The code properly validates inputs, handles file I/O safely with path resolution, and stores the API key via environment variables. The main concerns are modest: no input validation on out_dir path traversal despite using resolve(), broad error messages that could leak API structure details, and lack of request timeout handling on the fetch call. Permissions align well with the server's purpose (file read/write for 3D models, HTTP to GripForge API). Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.
3 files analyzed · 7 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: GRIPFORGE_API_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-gripforgeai-mcp": {
"env": {
"GRIPFORGE_API_KEY": "your-gripforge-api-key-here"
},
"args": [
"-y",
"@gripforgeai/mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
@gripforgeai/mcp
Attach weapons & props to rigged characters — from Claude Code, Cursor or any MCP client. Thin client for the GripForge API.
Install (Claude Code)
claude mcp add gripforge -e GRIPFORGE_API_KEY=gf_... -- npx -y @gripforgeai/mcp
Or in .mcp.json:
{
"mcpServers": {
"gripforge": {
"command": "npx",
"args": ["-y", "@gripforgeai/mcp"],
"env": { "GRIPFORGE_API_KEY": "gf_..." }
}
}
}
Get a free API key at https://gripforge.ai/login — the free plan includes 3 API/MCP attaches per month to try it out (plus 15 in the web Studio). Paid plans from €29/mo for production use.
Install (Grok)
grok mcp add gripforge --env GRIPFORGE_API_KEY=gf_... -- npx -y @gripforgeai/mcp
Or in ~/.grok/config.toml:
[mcp_servers.gripforge]
command = "npx"
args = ["-y", "@gripforgeai/mcp"]
enabled = true
startup_timeout_sec = 45
[mcp_servers.gripforge.env]
GRIPFORGE_API_KEY = "gf_..."
Also works with Cursor, Windsurf and any MCP-compatible client — same
command / args / env triple.
Tools
gripforge_attach— character + prop in, bone-local bind + Three.js / Unity / Godot snippets out. Styles: melee, gun, shield, staff (scythe/polearm). Withexport_glb: true(+out_dir) it also writesattached.glb: the character with the fist closed and the prop attached, textures preserved — use this for mitten-hand rigs, whose closed fist cannot travel in a JSON bind.gripforge_formats— supported formats & options.
Env
GRIPFORGE_API_KEY(required) — 1 credit = 1 successful attachGRIPFORGE_API_URL(optional) — defaults to https://gripforge.ai
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