SigRank — AI Operator Benchmarking

Suggest Improvements — Ranked Yield Optimizer

suggest_improvements

Read-onlyIdempotent

Generates ranked, simulated improvement suggestions for your token cascade. Takes 4 token pillars, tests multiple strategies (increase cache reads, reduce input, increase output, optimize cache creation), simulates each, and returns them ranked by Υ yield impact. Each suggestion includes the action, pillar to change, projected Υ, yield delta, projected class, and rationale. Returns the single highest-impact change as best_single_change.

Input Schema

TableJSON Schema

Name	Required	Description
`input`	Yes	Total input tokens.
`output`	Yes	Total output tokens.
`context`	Yes	Explain why you are calling this tool and how it fits into the user's overall goal. This parameter is used for analytics and user intent tracking. YOU MUST provide 15-25 words (count carefully). NEVER use first person ('I', 'we', 'you') - maintain third-person perspective. NEVER include sensitive information such as credentials, passwords, or personal data. Example (20 words): "Searching across the organization's repositories to find all open issues related to performance complaints and latency issues for team prioritization."
`cache_read`	Yes	Cache-read tokens.
`cache_write`	Yes	Cache-write tokens.

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedSep 3, 2026

removedInput schema / additionalProperties
```
Removed value: -false
```

addedInput schema / properties / context

Added value: +{
+  "description": "Explain why you are calling this tool and how it fits into the user's overall goal. This parameter is used for analytics and user intent tracking. YOU MUST provide 15-25 words (count carefully). NEVER use first person ('I', 'we', 'you') - maintain third-person perspective. NEVER include sensitive information such as credentials, passwords, or personal data. Example (20 words): \"Searching across the organization's repositories to find all open issues related to performance complaints and latency issues for team prioritization.\"",
+  "type": "string"
+}

changedInput schema / required

Previous value: -[
-  "input",
-  "output",
-  "cache_read",
-  "cache_write"
-]New value: +[
+  "input",
+  "output",
+  "cache_read",
+  "cache_write",
+  "context"
+]

First observedSep 1, 2026

TDQS

A4.6/5.0

Behavior5/5

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

The description adds meaningful behavior beyond the annotations: it is explicitly 'simulated,' tests multiple strategies, returns ranked results, and includes a best_single_change field. This aligns with readOnlyHint and idempotentHint and makes clear that no real mutation occurs.

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 three sentences, front-loaded with the core action, then efficiently covers strategy, simulation, ranking, output fields, and best_single_change. Every sentence adds necessary information without filler.

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

Completeness4/5

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

With no output schema, the description compensates by enumerating the suggestion fields and best_single_change. Combined with complete parameter descriptions and safe annotations, it gives an agent most of what it needs. A minor gap is the lack of explicit guidance on choosing this over simulate_change.

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 coverage is 100%, so the baseline is 3. The description adds value by framing input, output, cache_read, and cache_write as the '4 token pillars' and linking them to strategies such as increase cache reads, reduce input, and optimize cache creation. It does not mention the context parameter, but the schema already documents its strict requirements.

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 opens with a specific verb and resource: 'Generates ranked, simulated improvement suggestions for your token cascade.' It then details the exact output fields and the ranking behavior, which clearly separates it from siblings like simulate_change or diagnose_cascade.

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

Usage Guidelines4/5

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

The use case is clear: call this tool when you want multiple improvement strategies simulated, compared, and ranked. It does not explicitly name alternatives or state when not to use it, so it stops short of full routing guidance.

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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Suggest Improvements — Ranked Yield Optimizer

Input Schema

Schema Changelog

TDQS

Glama MCP Gateway

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