Google tells you what exists. Faceabot tells you what holds up.
Local read-only original theory source lookup with seven optional causal lenses in JA EN ZH.
Package mcpb :
https://github.com/Nakagawa-master/nakagawa-theory-archive/releases/download/mcp-router-v1.1.0/nakagawa-original-router-1.1.0.mcpb · website · measurements and detailsMCP server exposing number theory functions and factorization algorithms
Package pypi :mcp-number-theory · website · measurements and detailsRoute x402 payments, Pyrimid affiliate splits, and referral links. Vendor-neutral, adapter-based.
Package npm :affiliate-router-mcp · website · measurements and detailsSearch viral Chinese-internet theories (大水理论, 薄肌理论…) with sources, in Chinese and English.
Package npm :cn-theories-mcp · website · measurements and detailsconspiracy-theory MCP — wraps StupidAPIs (keyless — no credential needed)
MCP endpoint :https://gateway.pipeworx.io/conspiracy-theory/mcp · website · measurements and detailsPremium agentic endpoint for carbon-aware-inference-router-mcp.
MCP endpoint :https://api.m2mcent.com/carbon-aware-inference-router-mcp/sse · measurements and detailsAggregates multiple OpenAPI specifications into a unified virtual routing mesh with service namespac
Package mcpb :https://github.com/Alpha-Park/genpark-multi-source-openapi-router-mesh-skill/releases/download/v1.0.1/genpark-multi-source-openapi-router-mesh-skill-v1.0.1.mcpb · website · measurements and detailsRoutes home emergencies to the right trade: who to call in what order, first steps, sourced costs.
MCP endpoint :https://whodoicallfor.com/api/mcp/ · website · measurements and detailsChords, scales, progressions, transposition, and MIDI tools for music theory AI agents.
Package npm :@playbykey/theory-mcp · website · measurements and detailsRead token metadata, applications, audit logs, proxies and usage in the PCI vault.
MCP endpoint :https://basis-theory.usefulapi.io/mcp · website · measurements and detailsPaid remote MCP for context-budget routing, schema cost estimates, usage audits, and readiness.
MCP endpoint :https://toolbudgetrouter.clauxel.com/mcp · website · measurements and detailsURL origin only
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/url-origin/mcp · website · measurements and detailsPremium agentic endpoint for container-ship-router-mcp.
MCP endpoint :https://api.m2mcent.com/container-ship-router-mcp/sse · measurements and detailsPremium agentic endpoint for dex-arbitrage-router-mcp.
MCP endpoint :https://api.m2mcent.com/dex-arbitrage-router-mcp/sse · measurements and detailsCloudflare Workers MCP server: ai-model-router
MCP endpoint :https://api.lazy-mac.com/ai-model-router/mcp · website · measurements and detailsPremium agentic endpoint for drone-delivery-router-mcp.
MCP endpoint :https://api.m2mcent.com/drone-delivery-router-mcp/sse · measurements and detailsWorld and AI news corroborated by several outlets, AI labs announcements, new arXiv papers, trending AI models; refreshed every 15 minutes, each item with its source and verification level. Free, no API key.
MCP endpoint :https://info4bot.com/mcp · website · measurements and detailsPremium agentic endpoint for context-window-overflow-router-mcp.
MCP endpoint :https://api.m2mcent.com/context-window-overflow-router-mcp/sse · measurements and detailsOrigin header shape, value discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/origin-ok/mcp · website · measurements and detailsHuman-authenticated setup for routing GitHub pull requests into the right Slack channel.
MCP endpoint :https://api.tenpace.com/v1/review-router/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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