{
 "schema_version": 1,
 "generated": "2026-10-26",
 "id": "nvidia-skillspector--compare-mcp-registry-snapshots",
 "repo": "NVIDIA/SkillSpector",
 "repo_url": "https://github.com/NVIDIA/SkillSpector",
 "repo_slug": "nvidia-skillspector",
 "title": "Spot new or changed MCP servers between registry snapshots",
 "page_title": "How to spot new or changed MCP servers between registry snapshots with Skill Spector",
 "summary": "Scan two MCP registry captures and get a comparison of added, removed and changed servers.",
 "who": "A security engineer watching an MCP registry for new or modified servers.",
 "problem": "Registries change silently, and a modified server version can slip into use unnoticed.",
 "outcome": "A JSON report listing added and removed server identities and changed fields between two captures.",
 "steps": [
  "Capture the registry payload before and after as registry-before.json and registry-after.json",
  "Scan the first: `skillspector scan registry-before.json --mcp-registry --format json --output previous.json`",
  "Scan the second with --mcp-registry-compare previous.json and write compared.json",
  "Read the comparison object: added, removed, changed and unchanged_count",
  "Inspect raw records for anything under unmodeled_changes"
 ],
 "agent_prompt": "Using NVIDIA/SkillSpector registry mode, scan registry-before.json, then compare registry-after.json against it, and give me a table of added, removed and changed MCP servers with the fields that changed.",
 "agents": [
  "claude-code",
  "codex"
 ],
 "difficulty": "Advanced",
 "time": "30 minutes",
 "basis": "readme",
 "caveat": "A server absent from the current input is reported as removed, which does not prove it was removed from the registry.",
 "category": "Software and DevOps",
 "tags": [
  "Software and DevOps"
 ],
 "lang": "python",
 "requirements": [
  "Python with uv or pip, or Docker (no Python required)",
  "Optional: an LLM API key in .env for semantic analysis (default config targets DeepSeek)",
  "Optional MCP extra for skillspector mcp"
 ],
 "risk": "none",
 "seen_in_the_wild": false,
 "mentioned_publicly": false,
 "risks": [],
 "best": false,
 "score": 0.8,
 "evidence": [],
 "url": "https://dedupedai.com/use-cases/nvidia-skillspector/compare-mcp-registry-snapshots/",
 "md": "https://dedupedai.com/use-cases/nvidia-skillspector/compare-mcp-registry-snapshots/index.md",
 "disclaimer": "Deduped lists open-source repositories that belong to other people. We do not own, maintain, audit, or vouch for any of them, and a repo appearing here is not an endorsement or a safety check. The use cases, steps, and prompts are written by AI and may be incomplete, outdated, or just wrong. Where a use case is marked \"Seen in the wild\", we link to public posts where someone described something similar, but we have not verified those posts and the use case itself is still our AI's own write-up. Use all of this at your own risk. Only run code, commands, or agents on systems and accounts you are authorized to use, and read the code and every command before you run it, especially anything that touches credentials, files, or the network. Nothing here is professional, security, legal, or financial advice. All trademarks and project names belong to their respective owners, and their use here does not imply affiliation. Content is provided as is, without warranties of any kind. Found a mistake, a safety problem, or something you want removed? Email hello@dedupedai.com and we will look at it promptly.",
 "api": "https://dedupedai.com/api/v1/usecases/nvidia-skillspector--compare-mcp-registry-snapshots.json",
 "api_version": "v1"
}