security MCP Server
Static security scanner for AI prompts, MCP configs, and agent workflows. Zero LLM calls. Local-first. OWASP LLM Top 10 aligned.
Discovered via github-topic:mcp and last synced 2mo ago.
1. Install the package
npm install promptsonar
Example
External network access capability
Chained MCP execution (`routeTo` / `upstream` / `delegate` hops)
Wildcard permissions (`permissions: "*"`, `permissions: [""]`, `allowAll`)
JSON array of privileged execution path sinks
Privilege escalation path (untrusted input → MCP tool → shell/fs/network)
Approval bypass (auto-execute + approval disabled, or wildcard + shell)
Detects
Description
Automatic tool execution (`autoExecute`, `autoApprove`, `approvalRequired: false`)
Number of changed prompt-like files scanned
Host credential propagation into tools (env `${VAR}` passthrough)
Highest MCP risk score found in changed MCP configs
Filesystem access capability
JSON summary of introduced or removed execution paths
Shell / process execution capability
Path to generated SARIF file
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