Arc Free Skills MCP Server
by archelpsio.github.ArcHelps/arc-free-skillsv1.0.0
100 systems and hardware engineering skills for requirements, interfaces, budgets and verification.
context tax
pending
security
pending
cold start
pending
freshness
pending
Our reading of Arc Free Skills, from the data
Arc Free Skills is an MCP server from archelps, listed in the official MCP Registry.
We haven't measured its tool list yet, so its token cost is unknown.
It runs locally on your machine over stdio.
Install Arc Free Skills MCP server
Install in Claude Code
claude mcp add arc-free-skills -e ARC_FREE_SKILLS_WORKSPACE='<arc-free-skills-workspace>' -- uvx arc-free-skills arc-free-skills serveInstall in Cursor
{
"mcpServers": {
"arc-free-skills": {
"command": "uvx",
"args": [
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<arc-free-skills-workspace>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"arc-free-skills": {
"command": "uvx",
"args": [
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<arc-free-skills-workspace>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"arc-free-skills": {
"type": "stdio",
"command": "uvx",
"args": [
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<arc-free-skills-workspace>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"arc-free-skills": {
"command": "uvx",
"args": [
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<arc-free-skills-workspace>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| ARC_FREE_SKILLS_WORKSPACE | yes | — | Absolute path to an existing dedicated folder for inputs and new outputs; do not use your home directory. |
Freshness
Not enough public signals yet to judge maintenance.
Last commit (default branch)
2026-10-03 · 15d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-17 · 1d ago · official registry · v1.0.0
FAQ
›How do I install the Arc Free Skills MCP server in Claude Code?
Run: claude mcp add arc-free-skills -e ARC_FREE_SKILLS_WORKSPACE='<arc-free-skills-workspace>' -- uvx arc-free-skills arc-free-skills serve. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Arc Free Skills require an API key?
Yes. It expects ARC_FREE_SKILLS_WORKSPACE.
›Can I use Arc Free Skills as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Arc Free Skills in the official MCP registry?
Yes, as io.github.ArcHelps/arc-free-skills.
Sources and method
- Official MCP Registry entry
- updated 2026-10-17
- GitHub repository
- fetched 2026-10-19
- Package registry (npm / PyPI)
- listed
- Last checked against all sources
- 2026-10-19
The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.