Ultrabrain Merge

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

Annotations (readOnlyHint=false) indicate the tool is not read-only, which aligns with 'merge' likely being mutating. However, the description does not disclose whether original branches are affected, if the operation is reversible, or any side effects. It provides minimal behavioral insight beyond the action itself.

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?

A single sentence that is concise, front-loaded with the verb and resource, and contains no unnecessary words. Every part of the description contributes to understanding the tool's primary action.

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?

Despite having 5 parameters and no output schema, the description is extremely brief. It does not explain the merge process, the structure of the output, or how parameters like session_id or response_format affect behavior. The tool's complexity is not matched by the description's completeness.

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 60% (3 of 5 params have descriptions). The description mentions 'synthesis, best-evidence path, or decision note' which aligns with the strategy enum, adding some meaning. However, the critical 'branch_ids' and 'strategy' parameters lack schema descriptions, and the tool description does not compensate with additional detail.

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?

The description clearly states the verb 'Merge' and the resource 'branch insights' into specific outputs: 'synthesis, best-evidence path, or decision note.' It effectively distinguishes itself from sibling tools like ultrabrain_branch, which likely creates branches, and ultrabrain_analyze, which may perform analysis.

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?

No guidance on when to use this tool versus siblings. The description does not specify prerequisites, when not to use, or provide alternatives. Given the presence of multiple related tools (e.g., ultrabrain_think, ultrabrain_review), explicit usage context is missing.

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