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petropt

petropt/petro-mcp

calculate_hydrate_inhibitor

Determine required injection rate of methanol, MEG, or ethanol to prevent hydrates based on hydrate temperature, operating temperature, and water rate.

Instructions

Calculate hydrate inhibitor injection rate using Hammerschmidt equation.

Supports methanol, MEG, and ethanol.

Args: hydrate_temp_f: Hydrate formation temperature in degrees F. operating_temp_f: Target operating temperature in degrees F. water_rate_bwpd: Water production rate in bbl/day. inhibitor: Inhibitor type - 'methanol', 'meg', or 'ethanol'.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
hydrate_temp_fYes
operating_temp_fYes
water_rate_bwpdYes
inhibitorNomethanol

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations provided; description lacks disclosure of behavioral traits such as side effects, authorization needs, or performance implications. Only states it performs a calculation, which is insufficient.

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

Conciseness4/5

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

Compact description with essential information; equation and supported inhibitors are front-loaded. The Args block is structured and efficient, though it could be slightly more concise.

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

Completeness3/5

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

Output schema exists, so return values are not required. However, the description lacks examples or edge-case handling. It is adequate but minimal for a calculation tool.

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

Parameters4/5

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

Schema description coverage is 0%, but the description includes an Args section with clear meanings for each parameter: hydrate formation temperature, target operating temperature, water rate, and inhibitor type. This adds valuable context beyond the schema titles.

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?

Clearly states 'Calculate hydrate inhibitor injection rate using Hammerschmidt equation.' Distinguishes from sibling tools like calculate_hydrate_temp by specifying it calculates injection rate for given inhibitors (methanol, MEG, ethanol).

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?

No guidance on when to use this tool versus alternatives. Does not specify prerequisites, limitations, or contexts where this tool is preferred.

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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