nexus_ignite_shards

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

With no annotations provided, the description carries full burden for behavioral disclosure. It vaguely suggests the tool reveals 'deeper layers' and produces a 'PHANTOM GEM (S0)', but doesn't explain what this output represents, whether the operation is read-only or mutating, what permissions are required, or any rate limits. The metaphorical language fails to provide concrete behavioral information.

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?

The description is relatively concise (two sentences) but suffers from poor structure where the poetic language obscures meaning rather than clarifying it. While not verbose, the sentences don't efficiently communicate practical information about the tool's function.

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 tool with 5 parameters (2 required), no annotations, and complex sibling relationships, the description is severely inadequate. While an output schema exists, the description doesn't explain what the tool does, when to use it, what the parameters mean, or how it behaves. The metaphorical language fails to provide the necessary context for effective tool selection and use.

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?

With 0% schema description coverage for all 5 parameters, the description provides absolutely no information about what nexus_tag, root_ids, max_depth, child_limit, or per_root_limits mean or how they should be used. The description doesn't mention any parameters at all, leaving them completely undocumented.

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 uses metaphorical language ('IGNITE selected SHARDS', 'ETHER glows more deeply', 'PHANTOM GEM') that obscures the actual function. While it mentions revealing 'deeper layers' and 'subtrees', it doesn't clearly state what the tool actually does in concrete terms. The description is more poetic than functional, making it difficult to understand the tool's purpose.

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?

The description provides no guidance on when to use this tool versus its many siblings (nexus_anchor_gems, nexus_explore_step, nexus_glimpse, nexus_scry, etc.). It doesn't mention prerequisites, alternatives, or specific contexts where this tool is appropriate versus other nexus tools.

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