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MCP servers tagged hallucination
33 live MCP servers tagged "hallucination", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with hallucination.
DataEval/dingo
based evaluation capabilities and rules&prompts listing.
Reverify
Stop your AI from making things up — it proposes, deterministic tools decide, every claim checked against ground truth with evidence. Grounded facts and context survive resets. Re…
CodeOrion
MCP server for AI coding agents (Claude Code, Cursor, Cline, etc.): verify packages before installing, assess MCP servers before adding them, scan for secrets, audit agent configs…
Tribunal Kit
Anti-Hallucination AI Agent Kit for IDEs (Cursor, VSCode, Windsurf) — 43 specialist agents, 34 workflows, 20 parallel Tribunal code reviewers, Model Context Protocol (MCP) server,…
Llamator MCP Server
MCP server for llamator: automate LLM red teaming workflows
Llamator MCP Server
MCP server for llamator: automate LLM red teaming workflows
HOLDLINE
Ask many places one question by phone through CALL-E, and get back only the answers the call actually established. A value returned for a question the agent never asked comes back…
Rag Best Practices
Educational RAG playbook + stdlib Python toolkit: chunking, hybrid search, eval, claim-check anti-hallucination, canaries, citations
Diffgate
Verify declared code edits against tree-sitter structural differences and expose deterministic verdicts through CLI or MCP.
Verifiable Memory
Verifiable memory for AI agents — 0% hallucination, cited answers or honest abstention, provable forgetting, deterministic. MCP server. CPU-only, no GPU.
Schema Guard
Stop AI agents from writing SQL against tables and columns that do not exist. Schema snapshot + Claude Code hook + MCP server + CI check. 0 false blocks on 1,034 Spider queries.
Nocap
No evidence, no answer. 🧢 System One evidence gate for RAG & AI agents: Jev / Laya / any LLM judges before your LLM speaks. MCP server, Python SDK, CI route tests.
Cubicle SDK
Cubicle: anti-hallucination trading for AI agents. Reverse-engineer a strategy or a TradingView Pine script, compile it, backtest it on recorded bars of NQ, ES, YM, BTC, ETH, SOL.…
Truth
Deterministic fact-checker for AI coding agents — verify an agent's claims about its own work against the real code, git diff & logs. Local MCP server, cited verdicts, refuses to…
Vaporcheck
Stops AI coding assistants from using packages, files, and functions that don't exist. A safety net against hallucinated and slop-squatted names.
Crowdcheck
An MCP server that gives AI agents Community Notes: built on last30days, it maps who agrees, who disputes, and how sure the signal is - a contestation map, not a true/false verdic…
Resultseal
Deterministic observation-integrity contracts for AI-agent tool results. HTTP 200 is not an observation.
MemGuard
Stop AI agents from confidently using stale facts. MemGuard validates memories in Mem0, Zep, Letta & LangMem against reality — trust scores, quarantine, tamper-proof audit trail,…
Obsidian Anchor
Reliability-first MCP server for Obsidian — verifies AI claims against your notes and refuses what they can't support.
Scorekeeper
Commitment tracking for LLM agents — a normative overlay that gives long-running agents a scoreboard of their own commitments, not just a memory of what happened.
Aletheia Paper
Aletheia: A Taxonomy and Empirical Evaluation of Behavioral Failure Patterns in Large Language Models
Verificate MCP Quickstart
Take your vibe-coded MVP all the way to production — 17 reality gates + frontier-model review with veto power on every AI-written change. Hosted MCP; free to try, no signup.
Factgate
The deterministic verification gate for AI research agents — fake CVEs 404, quotes must be on the page, a verified=yes it can't confirm is a FAIL.
MASE Agent Memory
Governed white-box memory for LLM agents: every fact carries a mechanically-verified evidence span, every rejected hypothesis is documented. Local-first (SQLite+FTS5), 1000+ tests…
FactAnchor MCP
Reduce AI hallucinations by 80% with zero-cost, local context anchoring (MCP server).
Evidence Gate
Stop your AI from making up facts about your own data. A pre-generation grounding gate for LLM/RAG apps — zero-dep, MIT, JS + Python, with an MCP server.
Cid
L.ai · Gate (CID) — per-token validation for LLMs. Catches hallucinations, math errors, and fallacies in real time. 5+ gates, 1,606 facts, 630KB WASM.
Vetpkg
Stop AI coding agents installing packages that do not exist. MCP server + CLI for detecting hallucinated and slopsquatted npm packages. Zero dependencies.
Receipts
Catch AI-hallucinated code before you run it — checks every symbol against your installed packages.
Bleurs
Ground truth for AI coding agents. Blocks the APIs that don't exist, serves the ones that do — one index, both directions.
AP RAG
AP-RAG (Academic Paper Retrieval-Augmented Generation): citation-backed retrieval over scientific papers, for people and for AI agents. Web and desktop apps, an MCP server and a C…
Claude Code Fact Verification Hook
Claude Code hooks to fix stale factual answers in Opus 4.7 and force verification before unsupported assertions
Estelle CLI
The trust layer under your AI coding agents. Estelle grounds every model in your real codebase and refuses to ship what isn't true: repository memory, a deterministic grounding ga…