Planka MCP Server

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

With no annotations provided, the description carries the full burden of behavioral disclosure but provides almost none. 'Manage' implies both read and write operations, but there's no indication of which actions are destructive, what permissions might be required, whether operations are atomic, what happens on failure, or what the tool returns. For a tool with 8 parameters and multiple action types, this is critically insufficient.

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 extremely concise (5 words) but under-specified rather than efficiently informative. While it's front-loaded with the core concept, it lacks the necessary detail to be genuinely helpful. Every word earns its place, but there aren't enough words to provide meaningful guidance for a tool with this complexity.

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 the tool's complexity (8 parameters, 6 distinct actions, no annotations, no output schema), the description is completely inadequate. It doesn't explain the relationship between actions and required parameters, doesn't describe return values, doesn't warn about destructive operations, and provides no operational context. For a multi-action mutation tool, this leaves the agent with dangerous gaps in understanding.

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 schema has 100% description coverage, so all parameters are documented in the structured schema. The description adds no additional parameter semantics beyond the generic 'various operations' phrase. However, since the schema comprehensively describes each parameter's purpose and includes enum values for actions and colors, the baseline score of 3 is appropriate - the description doesn't need to compensate but also adds no value.

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 'Manage kanban labels with various operations' is tautological - it essentially restates the tool name 'mcp_kanban_label_manager' with slightly different wording. It doesn't specify what 'manage' entails or what 'various operations' are, though the input schema reveals these are CRUD and card association operations. It doesn't distinguish this label-focused tool from its sibling tools like mcp_kanban_card_manager or mcp_kanban_list_manager.

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 alternatives. There's no mention of when to choose label operations over other kanban tools, no prerequisites for using different actions, and no context about which actions require which parameters. The agent must infer everything from the parameter schema alone.

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