Guardrail MCP Server
by rudimentall1io.github.rudimentall1/agent-guardrailv1.0.2
Deterministic policy firewall for AI agent tool calls - YAML rules, not a fuzzy risk score.
context tax
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security
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cold start
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freshness
Active18d ago
Install Guardrail MCP server
Install in Claude Code
claude mcp add guardrail-rudimentall1 -- uvx guardrail-mcpInstall in Cursor
{
"mcpServers": {
"guardrail-rudimentall1": {
"command": "uvx",
"args": [
"guardrail-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"guardrail-rudimentall1": {
"command": "uvx",
"args": [
"guardrail-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"guardrail-rudimentall1": {
"type": "stdio",
"command": "uvx",
"args": [
"guardrail-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"guardrail-rudimentall1": {
"command": "uvx",
"args": [
"guardrail-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Active — last maintenance signal 18d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-22 · 18d ago · GitHub
Latest release
2026-08-01 · 2mo ago · GitHub · v1.0.0
Package published
no data · npm/PyPI
Registry entry updated
2026-08-06 · 2mo ago · official registry · v1.0.2
FAQ
›How do I install the Guardrail MCP server in Claude Code?
Run: claude mcp add guardrail-rudimentall1 -- uvx guardrail-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Guardrail require an API key?
No required environment variables are declared in its published metadata.
›Can I use Guardrail as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Guardrail in the official MCP registry?
Yes, as io.github.rudimentall1/agent-guardrail.