Google tells you what exists. Faceabot tells you what holds up.
NVIDIA Nemotron + Perplexity Sonar as knowledge graphs — 2 domains, 83 nodes. MCP-native.
Package pypi :ckg-nemotron-perplexity · website · measurements and detailsSalesforce AgentForce knowledge graph — 40 nodes, Einstein Trust Layer, 11x fewer tokens than RAG.
MCP endpoint :https://ckg-agentforce.onrender.com/mcp · website · measurements and detailsNVIDIA AI knowledge graphs — 20 domains. 4x F1, 11x fewer tokens, SHA-256 provenance. MCP-native.
MCP endpoint :https://ckg-nvidia-ai.onrender.com/mcp · website · measurements and detailsNVIDIA NemoClaw knowledge graph — 55 nodes, F1 0.576 (+269% vs RAG), 11x fewer tokens. MCP-native.
MCP endpoint :https://ckg-nvidia-nemoclaw.onrender.com/mcp · website · measurements and detailsReal-time web search, reasoning, and research through Perplexity's API
Package npm :@perplexity-ai/mcp-server · measurements and detailsReal-time web search, reasoning, and research through Perplexity's API
Package npm :@perplexity-ai/mcp-server · measurements and detailsMulti-step web research with citations via Perplexity's Agent API. Standard library only.
Package pypi :perplexity-agent-mcp · website · measurements and detailsEnable AI assistants to perform web searches using Perplexity's Sonar Pro.
MCP endpoint :https://server.smithery.ai/@arjunkmrm/perplexity-search/mcp · website · measurements and details97-domain knowledge graphs for AI agents — 4× F1 of RAG, 11× fewer tokens. MCP-native.
Package pypi :ckg-mcp · website · measurements and detailsBridge Claude Code with Perplexity Comet for autonomous browsing and tab management
Package npm :perplexity-comet-mcp · website · measurements and detailsPerplexity MCP server backed by the Polza.ai chat completions API.
Package pypi :perplexity-polza-mcp-server · website · measurements and detailsSearch the web, generate AI responses, and create embeddings with real-time information
Package pypi :mcparmory-perplexity · website · measurements and detailsAI visibility & recommendation monitoring for ChatGPT, Claude, Gemini & Perplexity.
MCP endpoint :https://scope.online/mcp · website · measurements and detailsSee how ChatGPT, Claude, Perplexity, and Gemini cite brands, prompts, and sources.
MCP endpoint :https://mcp.parse.gl/mcp · website · measurements and detailsHow ChatGPT, Claude, Perplexity and Gemini mention your brand: visibility, mentions, competitors.
MCP endpoint :https://mcp.askairank.com/mcp?src=registry · website · measurements and detailsQuery your Nudg3 brand visibility across ChatGPT, Claude, Gemini, AI Overviews, and Perplexity.
MCP endpoint :https://mcp.nudg3.ai/mcp · website · measurements and detailsTrack how ChatGPT, Gemini & Perplexity mention, rank & cite your brand. AuraCite account required.
MCP endpoint :https://auracite.de/mcp/rpc · website · measurements and detailsCheck if ChatGPT, Claude and Perplexity can reach, read and quote a website.
MCP endpoint :https://comiza.lighting/agentwatch/mcp · website · measurements and detailsAudit your brand's visibility across ChatGPT, Gemini, Claude, Perplexity + 6 more engines.
MCP endpoint :https://ninar.ai/mcp · website · measurements and detailsAI visibility: is your brand cited by ChatGPT, Perplexity, Gemini? SoV, GEO score, AI traffic.
MCP endpoint :https://promvia.app/api/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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