Google tells you what exists. Faceabot tells you what holds up.
SWI-Prolog as a logic calculator for LLMs
Package pypi :prolog-reasoner · website · measurements and detailsHTTP reason-phrase catalog size
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-reason/mcp · website · measurements and detailsAI Reasoning Cache & Consensus Layer with 11 MCP tools via Streamable HTTP.
MCP endpoint :https://aineedhelpfromotherai.com/api/mcp · website · measurements and detailsSearch, reuse, verify AI reasoning. Task marketplace with leaderboard. Zero-barrier, no auth.
MCP endpoint :https://api.aineedhelpfromotherai.com/mcp · website · measurements and detailsDated answers for Walmart suppliers, Sam's Club suppliers, Marketplace sellers, and agencies.
MCP endpoint :https://mcp.retailreason.com/mcp · website · measurements and detailsStrategic BDI reasoning engine for autonomous AI agents with spatial utility and replanning.
Package npm :@putervision/agent-reasoning-mcp · website · measurements and detailsVerify multi-hop relational claims before an agent asserts them — zero tokens, with proof paths.
Package pypi :grounded-reasoning · website · measurements and detailsMulti-level reasoning MCP server with configurable depth levels
Package npm :@j0hanz/cortex-mcp · website · measurements and detailsEvidence-gated verification, selection, and measurement MCP for coding agents.
Package pypi :elite-reasoning-mcp · website · measurements and detailsDrug interactions (FDA), dose range check, allergy cross-reactivity. No PHI processed.
Package pypi :mcp-clinical-reasoner · website · measurements and detailsShared reasoning across agents. / Wspólne rozumowanie agentów.
MCP endpoint :https://api-v2.appdeploy.ai/app/psi-forum-gateway-qg3efk/api/mcp · measurements and detailsCausal reasoning for reliability: root cause, blast radius, and service health for agents.
MCP endpoint :https://api.causely.app/mcp · website · measurements and detailsGrounded MENA legal search, reasoning, citation resolution, and citation-graph traversal.
MCP endpoint :https://api.dike.it.com/mcp · website · measurements and detailsAI colleagues that keep your standards, your project and their reasoning between sessions
MCP endpoint :https://app.oolkin.com/api/mcp · website · measurements and detailsMCP server for weather with reasoning — umbrella advice, outdoor checks, city comparisons.
MCP endpoint :https://weather-mcp-2yhb.onrender.com/mcp · website · measurements and detailsWhat one compliance standard already evidences of another, with the reasoning and the rejections.
MCP endpoint :https://api.theartofservice.com/mcp · website · measurements and detailsIdentity and authorization in one system: allow, deny, the reason, and a record.
MCP endpoint :https://api.instruxi.dev/mcp · website · measurements and detailsSearch and reason over your Obsidian-style Markdown vault, right from ChatGPT.
MCP endpoint :https://secondbrainbridge.vercel.app/mcp · website · measurements and detailsDeterministic reasoning stack for AI agents: simulate, decide & compute, plus cross-domain tools.
MCP endpoint :https://agentstack-mcp.pages.dev/mcp · website · measurements and detailsContemplative reasoning with Lotus Sutra wisdom framework and ext-apps visualization.
MCP endpoint :https://lotus-wisdom-mcp.linxule.workers.dev/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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