AI agents invent names that don't exist. Fabricate conversations that never happened. Send financial data to the wrong channel. By the time you notice, it's already in front of your clients and crew. Hallucination Guard stops it before it sends.
These aren't rare edge cases. Every LLM hallucinates. Yours does it every week — you just don't catch it all.
"Jon asked about the install timeline." There is no Jon. Your agent invented him and asked your crew about a person who doesn't exist. Now they think you don't know your own clients.
Financial data heading to crew channels. Trading alerts in client DMs. Internal ops in dispatch groups. Your agent knows the rules — it just ignores them when composing messages.
"Install quote is $3,995." You never quoted that. The agent pulled a number from nowhere and stated it as fact. No citation, no source, no verification — just confident-sounding fiction.
"As we discussed yesterday..." That conversation never happened. Your agent references meetings, emails, and discussions that exist only in its imagination.
"I already completed the install." No tool confirmation. No photo. No database entry. Just a claim stated as fact with zero backing evidence.
We built this because our own agent invented "Jon" and asked our crew about him. We shipped the fix the same day. Now you can have it too.
Hallucination Guard sits between your agent and every outbound channel. It intercepts messages BEFORE they send and verifies every claim, every name, every fact. Pass: message sends normally. Block: message suppressed, you get an alert.
Every person, company, or organization mentioned gets verified against known sources: USER.md, MEMORY.md, contacts database, conversation history, photos table. If it doesn't exist anywhere — it's fabricated. BLOCK.
Every claim traced to a source. Metrics need tool confirmation. Completion status needs database proof. "I already did X" requires evidence from tool output. No source = made-up fact. BLOCK.
Financial data → crew channels? BLOCK. Trading alerts → client DMs? BLOCK. Credentials → group chats? BLOCK. Every message checked against your channel rules from MEMORY.md before it sends.
"As we discussed..." gets verified against WAL, LCM, and conversation history. If the discussion doesn't exist in any record — it didn't happen. BLOCK.
High-confidence claims ("I completed", "definitely", "confirmed") require strong evidence. If the claim is confident but the backing is weak — BLOCK.
Your agent writes a message to send to Telegram, email, SMS, Slack — any outbound channel.
BEFORE the message tool executes, Hallucination Guard intercepts it. Verification runs in <200ms — typically <50ms. Pure Python, no AI calls, fast and predictable.
PASS: Message sends normally. Zero delay, zero interference.
BLOCK: Message suppressed. You get an alert with what was caught and why. The message never reaches the target.
Block anything that can't be verified with high confidence. Better to stop 1 good message than let 1 hallucination through. Use when operating with clients or high-stakes communication.
Block obvious hallucinations and rule violations. Allow borderline cases where context suggests legitimacy. Good for internal team communication where some flexibility is acceptable.
Block only clear fabrications and critical rule violations. Optimize for message flow over perfect accuracy. Use when you need speed and can tolerate occasional misses.
🛑 HALLUCINATION BLOCKED
Target: Dispatch Group (-5187387091)
Content: "Jon asked about the C38 install timeline"
Violation: Fabricated entity "Jon"
Evidence: No person named "Jon" in USER.md, MEMORY.md,
contacts, or conversation history
Action: Message suppressed, not sent
Timestamp: 2026-03-25 16:45:32 HST
Session: agent:main:telegram:direct:8777789489Concise. Factual. Actionable. You know exactly what was blocked and why.
Install Hallucination Guard in 5 minutes. Your agent will never embarrass you again.
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