energy-oracle

Get Subscription Cost

get_subscription_cost

Read-onlyIdempotent

Get the current subscription cost in RLC (pegged to USD) for a chosen tier: 0 (1 day, $20), 1 (3 days, $50), or 2 (7 days, $100). Returns live on-chain price.

Instructions

Current subscription cost in RLC (dynamic, pegged to USD). Returns live cost from on-chain contract.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`tier`	Yes	Subscription tier: 0 = 1 day ($20), 1 = 3 days ($50), 2 = 7 days ($100)

Output Schema

TableJSON Schema

Name	Required	Description	Default
`result`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

First observedv0.1.0Sep 10, 2026

TDQS

A3.9/5.0

Behavior4/5

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

Annotations already indicate read-only, idempotent, non-destructive behavior. The description adds useful context about the cost being dynamic, pegged to USD, and fetched live from an on-chain contract, which goes beyond the structured hints.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two concise sentences with no filler. It front-loads the core purpose and then supplies the key behavioral nuance about live on-chain sourcing.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a single-parameter read-only tool with full schema coverage and an output schema, the description sufficiently explains what the tool does and what behavioral characteristics matter. No critical selection or invocation information is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the tier parameter is fully documented with exact numeric mappings to day ranges and USD prices. The description itself adds no parameter-level information, so it meets the baseline without enhancing it.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly identifies a specific verb and resource: returning the current subscription cost in RLC. It further distinguishes itself from siblings by emphasizing live on-chain data and USD pegging, which sets it apart from status or transaction-building tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no explicit guidance on when to use this tool versus alternatives like build_subscription_tx or check_subscription. The intended use is only implied by the name and description.

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

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