Arc Free Skills
Rank #48,388io.github.ArcHelps/arc-free-skills
100 systems and hardware engineering skills for requirements, interfaces, budgets and verification.
What you can do with Arc Free Skills
Arc Free Skills is a Model Context Protocol (MCP) server published by ArcHelps. It ranks #48,388 of 154,470 active servers on MCP Toplist, and its repository has 11 GitHub stars. Arc Free Skills is listed on Official MCP, with 1 tracked version. It was first listed on Oct 17, 2026 and most recently updated on Oct 17, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What Arc Free Skills can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using Arc Free Skills
The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.
Declared by the Official MCP Registry, last synced Oct 20, 2026. Not independently verified by MCP Toplist.
- ARC_FREE_SKILLS_WORKSPACE · required
Connect Arc Free Skills and confirm it works
claude mcp add arc-free-skills -e "ARC_FREE_SKILLS_WORKSPACE=<your ARC_FREE_SKILLS_WORKSPACE>" -- uvx --no-config --from arc-free-skills==1.0.0 arc-free-skills arc-free-skills serveReplace each placeholder with your own value before saving.
[mcp_servers.arc-free-skills]
command = "uvx"
args = ["--no-config", "--from", "arc-free-skills==1.0.0", "arc-free-skills", "arc-free-skills", "serve"]
[mcp_servers.arc-free-skills.env]
ARC_FREE_SKILLS_WORKSPACE = "<your ARC_FREE_SKILLS_WORKSPACE>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"arc-free-skills": {
"command": "uvx",
"args": [
"--no-config",
"--from",
"arc-free-skills==1.0.0",
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<your ARC_FREE_SKILLS_WORKSPACE>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"arc-free-skills": {
"command": "uvx",
"args": [
"--no-config",
"--from",
"arc-free-skills==1.0.0",
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<your ARC_FREE_SKILLS_WORKSPACE>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"arc-free-skills": {
"type": "stdio",
"command": "uvx",
"args": [
"--no-config",
"--from",
"arc-free-skills==1.0.0",
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<your ARC_FREE_SKILLS_WORKSPACE>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"arc-free-skills": {
"command": "uvx",
"args": [
"--no-config",
"--from",
"arc-free-skills==1.0.0",
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<your ARC_FREE_SKILLS_WORKSPACE>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"arc-free-skills": {
"command": "uvx",
"args": [
"--no-config",
"--from",
"arc-free-skills==1.0.0",
"arc-free-skills",
"arc-free-skills",
"serve"
],
"env": {
"ARC_FREE_SKILLS_WORKSPACE": "<your ARC_FREE_SKILLS_WORKSPACE>"
}
}
}
}Replace each placeholder with your own value before saving.
After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
What changed, and when this was checked
- First listed
- Oct 17, 2026
- Latest version published
- Oct 17, 2026
- Version history
- 1 version tracked (below)
- Requirements evidence
- Declared by the Official MCP Registry, last synced Oct 20, 2026. Not independently verified by MCP Toplist.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Oct 17, 2026
- Official MCP ↗listed since Oct 17, 2026 · still listed
Do you maintain Arc Free Skills? to correct or enrich this profile.
Available versions (1)
| Version | Published |
|---|---|
| 1.0.0 | Oct 17, 2026 |
Ranks ahead of 106,082 of 154,470 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.ArcHelps%2Farc-free-skills)<a href="https://mcptoplist.com/server/io.github.ArcHelps%2Farc-free-skills"><img src="https://mcptoplist.com/badge/io.github.ArcHelps%2Farc-free-skills.svg" alt="MCP Toplist: Top 50% of 154,470" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains Arc Free Skills?
- Arc Free Skills is maintained by ArcHelps, which publishes 3 MCP servers (2 total versions) tracked on MCP Toplist.
- Is Arc Free Skills listed on the Official MCP Registry?
- Yes — Arc Free Skills is listed on the Official MCP Registry.
- How many versions does Arc Free Skills have?
- MCP Toplist tracks 1 version of Arc Free Skills, most recently published on Oct 17, 2026.
- Where can I find the source code for Arc Free Skills?
- The source code for Arc Free Skills is hosted at github.com/ArcHelps/systems-engineering-skills.
Do you run this server?
Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.