Verb Authority’s maintainer claims the released library can enforce authority checks on individual AI tool-call arguments, enabling finer-grained least-privilege controls than tool-level permissions alone.
state: expiredheat: lowuncertainty: highknownscott: lowagentic-security agent-authorization tool-call-securityyairsabagVerb Authority
What is this?
Verb Authority is presented as a released library by maintainer yairsabag that intercepts AI tool calls and applies authorization checks to individual arguments, rather than granting permission to an entire tool. The intended security model is finer-grained least privilege enforced before execution, consistent with supplied snippets advocating operation-level governance and warning that tool availability alone may not be an adequately enforced boundary. However, none of the supplied search snippets directly documents Verb Authority’s implementation, release, or maintainer, so those specifics remain supported only by the case titles and claim.
Why it matters to Scott
Scott already specifies deterministic, pre-execution authority checks over bounded agent actions in Decision Authority Infrastructure and Capability Tokens, while the radar already tracks substantially similar tool-call authorization layers in Conduct and AC2. Per-argument enforcement is a concrete implementation of that position, but the supplied material does not establish enough novelty, adoption, or technical validation to make it more than another example of an already-held and actively tracked pattern.
ip:framework.decision-authority-infrastructureip:concept.capability-tokensdev:concept.deterministic-agent-control-planeradar:conduct-tool-call-guardrailsradar:ac2-agent-security-protocolradar:concept.agent-securityradar:concept.tool-calling
queries asked of Scott's wikis
- argument-level authorization for agent tool calls
- least-privilege boundaries in agent harnesses
- pre-execution policy enforcement for tool use
- capability security and scoped agent permissions
- MCP authorization beyond tool-level access
- runtime interception and validation of agent actions
Measured heat
no measured readings yet — the hourly heat pass fills this in
How the heat travelled
no chain yet — the hourly chain pass fills this in
Evidence (2) — ⭐ canonical anchor
Interpretation history
2026-09-03T07:26:28Z
The implementation claim has produced no validation, adoption, technical detail, or independent corroboration within the observation window. As a low-relevance example of an already tracked authorization pattern, it has faded without developing into a broader episode.
2026-09-01T06:27:45Z
No substantive new evidence arrived: the release remains a first-party implementation claim without technical validation, adoption, or independent corroboration. It is still a low-relevance example of an already tracked authorization pattern.
2026-09-01T06:26:43Z
grounded: known/low — Scott already specifies deterministic, pre-execution authority checks over bounded agent actions in Decision Authority Infrastructure and Capability Tokens, whi
2026-09-01T06:24:25Z
case created — This is a distinct first-party implementation of argument-level authorization rather than additional evidence about an existing broader guardrail or protocol case.
Decision trace
- 09-03 17:26expireThe implementation claim has produced no validation, adoption, technical detail, or independent corroboration within the observation window. As a low-relevance example of an already tracked authorizat
- 09-03 17:26alert_silentThe only change is staleness; no consequential evidence or event has arrived, and nothing warrants Scott's attention before a future substantive update.
- 09-03 17:26alert_routeThe only change is staleness; no consequential evidence or event has arrived, and nothing warrants Scott's attention before a future substantive update.
- 09-01 16:27repriceNo substantive new evidence arrived: the release remains a first-party implementation claim without technical validation, adoption, or independent corroboration. It is still a low-relevance example of
- 09-01 16:27alert_silentThe only trigger is a legacy-state reevaluation, while engagement and evidence are unchanged; there is no new consequential delta that needs attention before the next briefing.
- 09-01 16:27alert_routeThe only trigger is a legacy-state reevaluation, while engagement and evidence are unchanged; there is no new consequential delta that needs attention before the next briefing.
- 09-01 16:27alert_silentA maintainer has published an implementation claiming per-argument authority checks, but the supplied evidence shows neither technical details nor validation, adoption, or a material capability beyond
- 09-01 16:27alert_routeA maintainer has published an implementation claiming per-argument authority checks, but the supplied evidence shows neither technical details nor validation, adoption, or a material capability beyond
- 09-01 16:26groundScott already specifies deterministic, pre-execution authority checks over bounded agent actions in Decision Authority Infrastructure and Capability Tokens, while the radar already tracks substantiall
- 09-01 16:24createThis is a distinct first-party implementation of argument-level authorization rather than additional evidence about an existing broader guardrail or protocol case.