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

Annotations carry the behavioral weight (destructiveHint=true, idempotentHint=false, readOnlyHint=false), but the description adds nothing on top of them — no note that helpful_links is replaced wholesale, that deadline can be nulled, or that only supplied fields change (all of which live in the schema, not the description). With a destructive mutation flag set, a sentence on the destructive/partial-update nature would have been valuable.

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

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

Two short sentences, scoped field list front-loaded ahead of the usage cue. No filler, no repetition of the tool name.

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

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

For a partial-update mutation tool with no output schema, the description plus the unusually thorough parameter documentation cover what an agent needs: which fields are editable and that edits are field-scoped. The remaining gap is routing among the three update_*_task siblings, which the usage sentence does not resolve.

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

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

Schema description coverage is 100% and each parameter is richly documented (priority ordinal scale, ISO deadline format, markdown-link format for helpful_links, estate_id lookup instruction). The description only echoes the field list, adding no syntax or format detail beyond the schema, so the baseline of 3 applies.

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

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

States a specific verb (Edit) and resource (task) and enumerates the mutable fields: title, description, priority, deadline, category, helpful links. That makes the scope concrete and largely distinguishes it from read-only siblings. It stops short of explicitly differentiating from near-neighbors like update_task_deadline, update_task_status and update_task_notes, which overlap with fields listed here.

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

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

"Use when the user wants to modify task details" is a restatement of the verb rather than real routing guidance. There is no when-not and no mention that update_task_deadline / update_task_status / update_task_notes are the narrower alternatives for single-field changes, even though those siblings directly overlap with this tool's deadline field.

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