Seal ≥2 distinct rails under task_id into a portable Ed25519 binder (~$0.05 USDC on Base when paid).
| Name | Required | Description | Default |
|---|---|---|---|
| task_id | Yes | ||
| x402_proof | No |
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Changes observed during successful MCP inspections. Dates show when Glama detected each change.
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations available, the description carries the full burden. It usefully discloses the cost (~$0.05 USDC on Base when paid), the minimum rail count, and the cryptographic output format. However, it does not mention side effects on existing rails, idempotency, or whether the operation is reversible.
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 entire description is a single front-loaded sentence with no filler. It packs the action, the precondition, the output type, and the cost into compact space, and every clause earns its place.
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?
The description provides enough for basic selection and invocation: required task_id, the ≥2 rails precondition, the output type, and the cost. But it leaves gaps around x402_proof mechanics, the payment flow, and how sealing relates to the sibling operations. These gaps are moderate because an output schema exists, which may carry return-value details.
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 0%, so the description must compensate. It gives meaning to task_id as the grouping key for rails, but x402_proof is only hinted at through 'when paid' and is never explicitly connected to the payment/proof parameter. The agent still lacks clear semantics for the proof field.
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 states a specific action ('Seal'), the resource ('≥2 distinct rails under task_id'), and the output ('portable Ed25519 binder'). It clearly distinguishes this from its siblings by implying finalization rather than appending or verifying.
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 implies the main precondition: at least two distinct rails must exist under the task_id before sealing. However, it does not explicitly mention when to use binder_seal versus binder_append or binder_verify, or when sealing should be avoided.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
Each tool targets a distinct stage or concern: append adds leaves, seal finalizes the binder, verify checks integrity, and health reports service status. There is no meaningful overlap in purpose or output.
binder_append, binder_seal, and binder_verify follow a clear, consistent binder_<verb> pattern. health breaks that pattern by omitting the binder_ prefix, making it a minor deviation.
Four tools is well-scoped for this server's purpose. Each tool earns its place in the append-seal-verify workflow, with health as a useful operational supplement and no redundancy.
The core lifecycle is covered: append leaves, seal a binder, and verify its integrity. A minor gap is the lack of an explicit inspect/list tool to review appended leaves before sealing, but this is workable around.