State AI law
Missouri
AI laws
We track 16 artificial-intelligence bills and regulations in Missouri. 1 has been signed or enacted.
Last updated Oct 13, 2026 · How we collect and check bills
Where Missouri’s bills stand
16 bills- Introduced
- 0
- In committee
- 0
- Passed a chamber
- 0
- Signed or enacted
- 1
- Dead or vetoed
- 15
Overview
How Missouri regulates AI
Missouri has 16 published AI-related bills in our register, 1 of them signed or enacted. Every bill below links to its own page with the status, dates and a plain-English summary.
Industries these bills touch
Missouri AI law guides
- Missouri AI laws 2026: the complete guide
- Missouri AI compliance deadlines, bill by bill
- State AI compliance and certification deadlines (all states)
- AI transparency and disclosure laws by state
- AI enforcement actions: FTC, EEOC and state AGs
- Missouri data center projects, power use and local rules on Data Center Census, our sister site
Deepfake Laws in Missouri
Missouri has enacted deepfake legislation. See how it compares with other states, including penalties, scope and enforcement.
Missouri AI bills
RSS feed for MissouriEstablishes certain requirements relating to the operation of autonomous vehicles
Missouri's HB 2240 (Autonomous Vehicle Public Safety Act) would bar registration of an autonomous vehicle unless it meets all state and federal standards for motor vehicles, and would require a licensed human operator who can monitor and intervene to be physically present in any autonomous vehicle used for interstate commerce or to carry goods or passengers, other than personal, nonrevenue use. It would also require every motor vehicle to have a licensed, endorsed driver able to actively control it. Referred to the House Emerging Issues committee on May 15, 2026; the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Creates new provisions governing autonomous vehicles
Missouri's HB 3365 would add section 301.4101 to let a political subdivision, municipality or local entity prohibit the operation of fully autonomous vehicles, automated driving systems or on-demand autonomous vehicle networks, or enact or keep rules and ordinances imposing taxes, fees or other requirements, including performance standards, specific to them. Referred to the House Emerging Issues committee on May 15, 2026; the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Creates the Artificial Intelligence Data Center Environmental Accountability Act
Missouri's HB 2239 (Artificial Intelligence Data Center Environmental Accountability Act) would apply to AI-optimized data centers of 100 megawatts or more built, expanded or permitted from August 28, 2027. They would need closed-loop water cooling (or an equivalent verified by the Department of Natural Resources), continuous monitoring and emergency protocols, and annual public environmental and health reports, with civil penalties up to $50,000 per day. Referred to the House Emerging Issues committee May 15, 2026; the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Establishes certain requirements relating to the operation of autonomous vehicles
Missouri's HB 3034 would amend section 304.012, RSMo, to require that every motor vehicle operated on the state's roads and highways have present an appropriately endorsed driver who holds a valid driver's license and keeps the ability to actively control the vehicle at all times. The House bill summary describes it as addressing autonomous vehicles. Referred to the House Emerging Issues committee on May 15, 2026; the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Creates provisions relating to artificial intelligence in mental health
Missouri's SB 1444 (Senate Committee Substitute, 2026) would have added Section 407.3007, RSMo, barring anyone who develops or deploys AI in the state from advertising or representing that the AI is, or can act as, a mental health professional or provide therapy, psychotherapy or a mental health diagnosis. A violation would be an unlawful practice under the Merchandising Practices Act, enforced by the Attorney General. The Senate General Laws Committee voted do pass on a committee substitute April 7, 2026; the bill died when the session ended May 15, 2026.
Modifies and establishes provisions relating to the protection of children and vulnerable persons
Missouri's 2026 HB 2273 (with HBs 1946, 1814 and 2551) creates RSMo 573.570, disclosure of an intimate digital depiction. Disclosing, or threatening to disclose, a realistic intimate image of an identifiable person that was created or altered by digital manipulation, with intent to harass or cause harm or with reckless disregard for harm, is a felony. A disclaimer that the image is unauthorized is not a defense. The same section was also enacted by HBs 2637 & 3155 and SB 999. It takes effect Aug. 28, 2026.
Establishes age verification measures for companion chatbots
Not law. The committee version of HB 2032, the GUARD Act, would have made it unlawful in Missouri to design or offer a companion chatbot knowing or recklessly disregarding that it risks soliciting minors into sexually explicit conduct, or that it encourages suicide, self-injury or violence (fines up to $100,000 per offense). Operators would have had to require accounts, verify every user's age, freeze existing accounts until verified and bar minors from companion chatbots, with AI disclosures and Attorney General enforcement. A House committee voted 9-3 for it (reported April 2, 2026), but it never got a floor vote before the May 15, 2026 deadline for passing bills.
Establishes the "AI Nonsentience and Responsibility Act"
Not law. The AI Nonsentience and Responsibility Act (committee substitute for HBs 1746 & 1769) would have declared AI systems nonsentient under Missouri law: never persons, spouses, corporate officers or property owners, with AI-related assets attributed to a responsible human or organization. Liability for harm would rest with the deployer or user who directed the AI, and with developers for design defects or negligence; developers and deployers would have to maintain oversight following NIST-based risk standards and report serious harms. Two House committees approved it in March 2026, but it never got a floor vote before the May 15, 2026 deadline for passing bills.
Creates regulations of artificially generated online content using artificial intelligence
Missouri's SB 1324 (Missouri Artificial Intelligence Transparency and Accountability Act) would require anyone creating AI-generated content for public consumption to label it "AI-generated", add a disclaimer and obtain consent for content depicting a real person (except parody or satire), and require developers and deployers to keep usage logs for seven years. The attorney general would enforce it with civil penalties. The Senate General Laws Committee voted do pass on March 25, 2026, but the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Creates provisions relating to artificial intelligence in mental health
Missouri's HB 2318, as introduced, would bar any person or entity that develops or deploys artificial intelligence in the state from advertising or representing to the public that the AI is, or can act as, a mental health professional or provide therapy services. A violation would be an unlawful practice under the Missouri Merchandising Practices Act, enforced by the attorney general with civil penalties of $10,000 for a first violation and $20,000 for later ones. A House committee substitute (filed under HB 2368) was reported do pass March 12, 2026, but the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Establishes the "AI-Generated Content Accountability and Privacy Protection Act of 2026"
Missouri's HB 2321 (AI-Generated Content Accountability and Privacy Protection Act of 2026), as introduced, would make it a crime to knowingly publish or distribute algorithmically generated or altered content depicting a person without that person's consent (up to two years or $20,000, or both), with higher penalties for sexual content or distribution through online platforms, and exceptions for art, parody, satire and research. A House committee substitute was reported do pass on February 26, 2026 (filed under primary bill HB 1887; not reviewed here), but the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Establishes the "AI Non-Sentience and Responsibility Act"
Missouri's HB 1769 (AI Non-Sentience and Responsibility Act), as introduced, would declare AI systems non-sentient for all purposes of state law, deny them legal personhood, marriage, corporate office and property ownership, and place responsibility for AI-caused harm on owners and users; developers and manufacturers could be held liable for design, construction or instruction defects. A House committee substitute (filed under HB 1746) was reported do pass on February 26, 2026, but the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Modifies provisions relating to medical malpractice for the use of artificial intelligence by health care providers
Missouri's SB 1598 would provide that a medical malpractice claim includes a health care provider's negligent use, selection or implementation of artificial intelligence, or undue, detrimental or erroneous reliance on it, in diagnosing, treating and caring for a patient when that negligence or reliance directly causes or contributes to the injury. Such an action would have to be brought within two years of when the negligence or reliance was or should have been discovered. Referred to the Senate General Laws Committee February 5, 2026; the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Creates provisions relating to artificial intelligence chatbots
Not law. SB 1455, Missouri's Senate version of the GUARD Act, would have made it unlawful to design or offer an AI chatbot knowing or recklessly disregarding that it risks soliciting minors into sexually explicit conduct, or that it encourages suicide, self-injury or violence (fines up to $100,000 per offense). Operators would have had to require accounts, verify every user's age, freeze existing accounts until verified, bar minors from their chatbots, and disclose at the start of each conversation and every 30 minutes that the chatbot is AI, not a human. It was referred to committee and got no further action before the May 15, 2026 deadline for passing bills.
Creates new provisions governing autonomous vehicles
Missouri's SB 1050 would let a person operate a fully autonomous vehicle on public roads without a human driver while the automated driving system is engaged, if the vehicle can reach a minimal risk condition after a system failure, can comply with state traffic laws, and carries any federally required certification label. Operators would have to show proof of insurance or self-insurance, and local governments could not ban or specially tax these vehicles. A Senate committee hearing was held January 27, 2026; the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
Creates provisions relating to synthetic media
Missouri's SB 1183 would add section 115.645 to bar a creator who uses AI or other digital technology from distributing, within eighteen weeks of an election, synthetic media the creator knows or should have known is a deceptive and fraudulent deepfake, unless it carries the disclosure "This [image/video/audio] has been manipulated or generated by artificial intelligence." Violations would carry misdemeanor or felony penalties and civil penalties. Referred to the Senate General Laws Committee January 27, 2026; the bill died when the 2026 regular session ended in May 2026 without being truly agreed to and finally passed.
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