TRON Energy/Bandwidth MCP Server

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

With no annotations provided, the description carries full burden and successfully discloses key behavioral traits: returns an API key, performs a session state upgrade ('upgrades the current session'), and has persistent side effects ('will work in this session without needing to reconnect'). Missing error handling details or idempotency notes, but covers primary mutation behavior.

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?

Four sentences, perfectly front-loaded with purpose ('Complete agent registration...'), followed by outputs, downstream effects, and prerequisites. Every sentence provides distinct value (purpose, return values, session effects, auth requirements). Zero redundancy.

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 critical authentication tool with 100% schema coverage but no annotations or output schema, the description adequately compensates by explaining the session upgrade mechanism, the API key return, and the tool dependencies enabled. Would benefit from explicit error scenarios, but sufficiently complete for safe invocation.

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 has 100% coverage with detailed descriptions for all 3 parameters (including specific signing method 'tronWeb.trx.signMessageV2'). Description adds workflow context by referencing 'signed challenge' which semantically binds the challengeId and signature parameters together within the registration flow, exceeding the baseline 3 for high-coverage schemas.

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?

Description clearly states the tool 'Complete[s] agent registration by verifying your signed challenge' with specific verb (verify) and resource (registration). It distinguishes itself from the sibling 'register' tool by referencing the 'signed challenge' and 'Challenge ID from the register tool' in the schema, establishing the sequential relationship.

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 clear context on when to use (to 'upgrade the current session to authenticated') and what becomes available afterward (lists specific authenticated tools like 'buy_energy, get_balance, register_pool'). States 'No authentication required' which is critical for an auth-initiation tool. Lacks explicit 'when not to use' (e.g., if already authenticated).

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