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delete_verifier

Destructive

Permanently and immediately erase a verifier you own (scope=user only).

verifier_id accepts a UUID string.

This is permanent: the verifier, all its versions (criterion, calibration examples, input contracts), all run records, and all access grants are removed from the live system at once. There is no recovery path. Use revoke_verifier if you want to deactivate the verifier without erasing it, keeping the audit trail intact.

Encrypted backups age out within the platform's standard retention window (up to three months), so the data is not instantly erased from all systems everywhere, but it is no longer accessible through any product surface after this call.

Serving gate: if any live published template version carries a snapshot that references this verifier, deletion is refused with a Conflict. Unpublish the relevant template version(s) first, then call this operation.

Platform-managed (scope=system) verifiers and another user's verifiers always surface as NotFound. No confirmation token is required.

Returns {verifier_id, name, deleted: true}.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
verifier_idYesThe verifier to act on, identified by its UUID or, for a verifier you own, its name.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Disclosures beyond annotations: lists exactly what gets permanently deleted (verifier, versions, run records, access grants), states no recovery path, mentions backup retention window, and notes no confirmation token needed. Does not contradict annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured with front-loaded action statement, then detailed bullet points. Every sentence adds value without redundancy. Efficient use of text.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the destructive nature, the description covers all critical aspects: what is deleted, recovery, retention, constraints (serving gate), scope, and return value. No gaps remain for a safe and informed invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema already describes verifier_id as UUID or name. Description adds context: only works for user-scoped verifiers, and reaffirms the return value includes deleted: true. Schema coverage is 100%, so baseline is 3; the additional context raises it to 4.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the tool's purpose: 'Permanently and immediately erase a verifier you own'. It distinguishes from sibling tools like revoke_verifier and get_verifier, and specifies scope constraints.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit when-to-use and when-not-to-use guidance: mentions revoke_verifier as alternative for deactivation without erasure, details serving gate conflict with published templates, and clarifies platform-managed/other's verifiers return NotFound.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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