AI Plugin IndexGuardian CLI
Verified · npm:@contextecfMCP server by GitHub Actions · updated · 168 downloads a week
ContextECF Halo local runtime for AI prompt protection Guardian CLI is published by npm:@contextecf from its verified domain in the official MCP Registry.
SEE LICENSE IN LICENSE.md: check the terms
Published package or server URL, original repository
Not checked yet. What we check
Install Guardian CLI
Built from the published package, never by AIclaude mcp add guardian-cli -- npx -y @contextecf/guardian-cliRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"guardian-cli": {
"command": "npx",
"args": [
"-y",
"@contextecf/guardian-cli"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"guardian-cli": {
"command": "npx",
"args": [
"-y",
"@contextecf/guardian-cli"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"guardian-cli": {
"command": "npx",
"args": [
"-y",
"@contextecf/guardian-cli"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add guardian-cli -- npx -y @contextecf/guardian-cli{
"mcpServers": {
"guardian-cli": {
"command": "npx",
"args": [
"-y",
"@contextecf/guardian-cli"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add guardian-cli npx -y @contextecf/guardian-cliGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the guardian-cli block.
Alternatives to Guardian CLI
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Guardian CLI: common questions
How do I install Guardian CLI?
In Claude Code run claude mcp add guardian-cli -- npx -y @contextecf/guardian-cli. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Guardian CLI the official server?
Guardian CLI is published by npm:@contextecf from its verified domain in the official MCP Registry.
Is Guardian CLI free?
The code is published under the SEE LICENSE IN LICENSE.md licence. The service it connects to may have its own pricing.
Is Guardian CLI safe to use?
It scores 68 of 100. Grades: licence B, quality D. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to Guardian CLI?
Similar MCP servers: Harness, Nhost, firebase-mcp, Quasar MCP.
Does Guardian CLI work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.