PromptGuard
Scan prompts for injection attacks, redact PII, and audit LLM SDK usage from any MCP client
Power your agent
Add this server
The publisher's own command. Not a PlugMCP endpoint.
Local command
npx -y @promptguard/[email protected]
Credentials from the publisher
- PROMPTGUARD_API_KEY β PromptGuard API key (starts with pg_live_)
Provider
Claude Code
PROMPTGUARD_API_KEY=<secret> claude mcp add co.promptguard-security -- npx -y @promptguard/[email protected]
Run in a terminal.
Claude Desktop
{
"mcpServers": {
"co.promptguard-security": {
"command": "npx",
"args": [
"-y",
"@promptguard/[email protected]"
],
"env": {
"PROMPTGUARD_API_KEY": "<secret>"
}
}
}
}claude_desktop_config.json
Remote URL or a command on your machine? How the two installs differ
Run on PlugMCP
Host a copy with our keys and logs.
A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.
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Scan prompts for injection attacks, redact PII, and audit LLM SDK usage from any MCP client
README is not crawled yet. Open the repository
- How do I install PromptGuard?
- Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
- Does PromptGuard need an API key?
- The publisher lists these environment variables: PROMPTGUARD_API_KEY.
- What transport does PromptGuard use?
- PromptGuard runs locally over stdio.
- When was PromptGuard last checked?
- Last checked 2026-10-16. Scan prompts for injection attacks, redact PII, and audit LLM SDK usage from any MCP client
No tool list yet. Remote servers get one after the first health check.