MetaMCP Admin MCP

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

With no annotations provided, the description carries full responsibility for behavioral disclosure but fails to state whether this is a partial update (modifying only provided fields) or full replacement, whether changes are reversible, or what validation occurs. For a mutation operation affecting 5 parameters, this lack of safety and scope disclosure is inadequate.

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?

While appropriately brief at four words and properly front-loaded with the action verb, the description suffers from under-specification rather than conciseness. The brevity leaves critical gaps in meaning that require additional sentences to satisfy the 'every sentence earns its place' standard for mutation tools.

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?

Given this is a mutation tool with 5 parameters, no output schema, and zero annotations, the description should explain update semantics, field mutability, and side effects. The current single-sentence description leaves significant contextual gaps for an agent attempting to safely modify namespace configurations.

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?

The input schema has 100% description coverage (all 5 parameters are documented). The description adds no semantic information beyond what the schema already provides (e.g., explaining relationships between uuid/instance/name or detailing what 'mcpServerUuids' controls), warranting the baseline score of 3.

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 'Update an existing namespace' is largely tautological, merely converting the tool name 'update_namespace' into a sentence. While it identifies the resource (namespace) and action (update), the addition of 'existing' provides minimal sibling differentiation and fails to explain what a namespace represents in this context or which specific attributes can be modified.

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?

Provides no explicit guidance on when to use this tool versus siblings like 'create_namespace' or 'toggle_server_in_namespace'. The word 'existing' only weakly implies this is for modifications rather than creation, with no mention of prerequisites, required permissions, or when updates are preferred over deletion and recreation.

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