Kill switch

A tested mechanism to stop an agent or system from acting; a precondition of granting autonomy, registered against the agent's identity.

Developed in
ch. 05, Pattern: Kill Switch / Circuit Breaker
ch. 23, Kill switch and per-agent circuit breakers
Chapters
ch. 03, Values & Principles · ch. 05, Patterns · ch. 23, AI Agents
Contrast with
Graduated degradation
In the open reference
Runtime safeguards for frontier AI · Agent runtime control profile
Source
Defined by this Body of Knowledge: the section it is developed in is the source

Where it is used

15 chapters of the Body of Knowledge use the term. Each link opens the first section that does.

Mentions per chapter How often each chapter names the term, with the chapters the glossary cross-references drawn solid. The longest bar is where to read the term in use; bars spread across many chapters mark a term that runs through the discipline.
Mentions as a table
Mentions of Kill switch per chapter
ChapterMentionsCross-referenced
00 Preface0No
01 Definition0No
02 Why Now0No
03 Values & Principles2Yes
04 The Stack7No
05 Patterns2Yes
06 The Role2No
07 Maturity Model4No
08 Regulatory Map5No
10 Reading List0No
11 AI Defined9No
12 Governance Program1No
13 Risk Management7No
14 Development2No
15 Deployment3No
16 Fairness & XAI0No
17 Incidents9No
18 EU AI Act1No
19 Privacy & AI0No
20 Existing Law0No
21 AI Laws Worldwide0No
22 Principles & Standards5No
23 AI Agents9Yes

Patterns that use this term

11 pattern pages use the term; the 10 that use it most:

The term's neighbourhood Terms related to this one on solid edges, terms it is often confused with on dashed edges, and the patterns that use it most in the colour of their layer. Follow a dashed edge to check the distinction before you use either term.
Neighbourhood as a table
Neighbourhood of Kill switch
FamilyItemRelation
Related termsAgent registryRelated
Related termsAutonomyRelated
Related termsSmall language model (SLM)Related
Contrast withGraduated degradationContrast
Patterns using it mostAgent Identity & Scoped Credentials, 2 mentionsUses the term
Patterns using it mostDeactivation, Localisation & Retirement Runbook, 2 mentionsUses the term
Patterns using it mostDrift & Fairness Monitor, 2 mentionsUses the term
Patterns using it mostIncident Pipeline, 3 mentionsUses the term
Patterns using it mostKill Switch / Circuit Breaker, 6 mentionsUses the term
Patterns using it mostRuntime Guardrail, 3 mentionsUses the term

Sources

No external source: the term is coined or used in a specific sense by this Body of Knowledge, and the section linked under "Developed in" is its source.

Definitions of legal terms paraphrase the cited text, which governs. Dated statements are as of .

Cite this term

García Aibar, J. (2026). Kill switch. In AI Governance Engineering: The Thesis & Body of Knowledge (v0.5.0), Glossary. https://doi.org/10.5281/zenodo.22956197. https://aigovernanceengineer.com/glossary/kill-switch. CC BY 4.0

BibTeX

@misc{aige2026killswitch,
  author  = {Jorge García Aibar},
  title   = {{Kill switch}},
  note    = {Glossary, AI Governance Engineering: The Thesis \& Body of Knowledge, version 0.5.0},
  year    = {2026},
  doi     = {10.5281/zenodo.22956197},
  url     = {https://aigovernanceengineer.com/glossary/kill-switch}
}