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unlock_memory

Idempotent

Enable deletion or editing of a stored memory, with ownership verification when an agent ID is provided.

Instructions

Unlock a memory to allow deletion and editing. Ownership enforced when agent_id provided.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
agent_idNoAgent ID for ownership verification
memory_idYesMemory ID to unlock
session_keyNoOpaque session identity you declare: a partition hint, not authentication and not a data filter. Selects which no-persist pause applies to this call. Omit to share one bucket with every caller that omits it. Full text on recall.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv2.6.1
    • addedInput schema / properties / session_key / maxLength
      Added value: +256
  2. Changed1 schema field changedv2.5.10
    • addedInput schema / properties / session_key
      Added value: +{
+  "default": "",
+  "description": "Opaque session identity you declare: a partition hint, not authentication and not a data filter. Selects which no-persist pause applies to this call. Omit to share one bucket with every caller that omits it. Full text on recall.",
+  "type": "string"
+}
  3. Addedv2.5.2
  4. Removedv2.5.1
  5. Addedv2.4.10

TDQS

A3.8/5.0
Behavior4/5

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

Annotations cover the safety profile (idempotent, non-destructive, not read-only), and the description adds genuinely new behavior: the unlock gate that enables subsequent edits/deletes, plus the conditional 'Ownership enforced when agent_id provided' authorization rule. It omits failure behavior for non-owners and whether the unlock state persists, so not a 5.

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?

Two tight sentences with zero filler; the purpose and its consequence are front-loaded before the authorization caveat.

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

Completeness4/5

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

For a 3-param state-changing gate tool with no output schema, the definition covers purpose, downstream effect, and the ownership rule. Minor gaps remain around non-owner error behavior and the scope/duration of the unlock, but the essential call-time information is present.

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

Parameters3/5

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

Schema coverage is 100% and the schema already describes agent_id as 'Agent ID for ownership verification', memory_id as the target, and session_key at length. The description's 'Ownership enforced when agent_id provided' adds only a marginal conditional nuance (what happens when it is omitted), so baseline 3 is appropriate.

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

Purpose4/5

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

States a specific verb+resource ('Unlock a memory') and the concrete effect ('to allow deletion and editing'), which is enough to tell it apart from the inverse sibling lock_memory without opening a schema. It stops short of naming that sibling explicitly, but the intent is unambiguous.

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

Usage Guidelines3/5

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

Usage is only implied: by saying unlocking enables deletion and editing, an agent can infer it precedes delete_memory/update_memory. There is no explicit when-to-use statement, no prerequisites, and no named alternative, so it lands at minimum-viable guidance.

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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