academic-stats-advisor
Server Quality Checklist
Latest release: v0.1.0
- Disambiguation5/5
Each tool has a clearly distinct purpose: recommending tests, checking assumptions, interpreting results, planning sample size, listing supported tests, and normality guidance. No two tools overlap significantly; even assumptions and normality are separated clearly.
Naming Consistency5/5All tool names use lowercase snake_case and follow a verb_noun pattern (e.g., check_assumptions, interpret_result). The only slight outlier is 'normality_guide', but it still fits the pattern and is consistently readable.
Tool Count5/5With 6 tools, the set is well-scoped for a statistical advisor. Each tool covers a core aspect of statistical analysis workflow without redundancy or excessive granularity.
Completeness4/5The toolset covers the essential workflow: test recommendation, assumptions, normality, sample size, interpretation, and listing tests. Minor gaps exist, such as non-parametric alternatives or post-hoc tests, but the core is solid.
Average 3.8/5 across 6 of 6 tools scored. Lowest: 2.7/5.
See the Tool Scores section below for per-tool breakdowns.
- No community issues in the last 6 months
- 3 commits in the last 12 weeks
- No stable releases found
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How is the quality score calculated?
The overall quality score combines two components: Tool Definition Quality (70%) and Server Coherence (30%).
Tool Definition Quality measures how well each tool describes itself to AI agents. Every tool is scored 1–5 across six dimensions: Purpose Clarity (25%), Usage Guidelines (20%), Behavioral Transparency (20%), Parameter Semantics (15%), Conciseness & Structure (10%), and Contextual Completeness (10%). The server-level definition quality score is calculated as 60% mean TDQS + 40% minimum TDQS, so a single poorly described tool pulls the score down.
Server Coherence evaluates how well the tools work together as a set, scoring four dimensions equally: Disambiguation (can agents tell tools apart?), Naming Consistency, Tool Count Appropriateness, and Completeness (are there gaps in the tool surface?).
Tiers are derived from the overall score: A (≥3.5), B (≥3.0), C (≥2.0), D (≥1.0), F (<1.0). B and above is considered passing.
Tool Scores
- Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must carry the burden. It implies an educational output but does not disclose what the tool actually does (e.g., returns text, shows a form). No mention of side effects or safety.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is very short, which is concise, but lacks essential details about the tool's behavior. It is front-loaded but not sufficiently informative.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no output schema, the description should explain what the tool returns. It only hints at guidance content, leaving output format unclear. For a simple guidance tool, more detail is needed.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The tool has zero parameters and schema coverage is 100%. Baseline score of 4 applies as the description does not need to explain parameters.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose3/5Does the description clearly state what the tool does and how it differs from similar tools?
The description 'How to decide and report normality correctly — the #1 thing students get wrong' indicates the tool provides guidance on normality testing, but does not specify the action (e.g., returns a guide, displays steps). It differentiates from siblings like 'check_assumptions' and 'interpret_result' by focusing on procedural advice.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines2/5Does 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 like 'recommend_test' or 'interpret_result'. No context about prerequisites or typical scenarios.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations exist, so the description carries the full burden. It discloses the tool guards against common mistakes and produces a conclusion, but does not describe side effects, error handling, or output format sufficiently.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences long, front-loads the purpose, and wastes no words. Every sentence adds value.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given 5 parameters and no output schema, the description is incomplete. It fails to explain parameter roles or the output format, leaving the agent with insufficient guidance.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters1/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 0% and the description does not explain any parameter beyond what field names suggest. Parameters like alpha, test_name, effect_size_type are not described, leaving significant ambiguity.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the verb ('Interpret') and resource ('p-value'), and specifies an APA-style conclusion as output. It distinguishes from sibling tools (e.g., check_assumptions, recommend_test) by focusing on result interpretation.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies the tool is used after obtaining a p-value to get a correct interpretation, but does not explicitly state when not to use it or provide alternatives among siblings.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the burden. It states the tool lists tests with menu paths but does not disclose any additional behavioral traits (e.g., whether the list is static or dynamic, or if there are rate limits). It is adequate for a simple read-only operation.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
A single sentence with no extraneous words, front-loaded with the key action ('list every test'). Every sentence earns its place.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no parameters and no output schema, the description is nearly complete. It could optionally mention if the list is sorted or categorized, but for a simple enumeration tool, it suffices.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The tool has zero parameters and schema coverage is 100%, so the baseline is 4. The description adds meaning by specifying the output includes SPSS menu paths, which is beyond the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a specific verb ('List') and resource ('every test this advisor knows') and includes additional detail ('with its SPSS menu path'), clearly distinguishing it from sibling tools like 'recommend_test' or 'check_assumptions'.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage when you need to see available tests, but lacks explicit when-to-use, when-not-to-use, or references to alternatives. Sibling tools exist but are not mentioned in the description.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations provided, so description carries full burden. It describes the read-only nature (listing assumptions) and corrective actions, but gives no detail on side effects or post-conditions. Adequate for low-risk tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
Two sentences: first states purpose, second provides usage guidance. No redundant information, front-loaded.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given simple tool with one parameter and no output schema, description covers purpose, parameter source, and return content (list). Could mention output format but not necessary.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters4/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema has 0% description coverage for the only parameter, test_id. Description compensates by specifying that the value must come from recommend_test/list_supported_tests and providing example strings, adding essential context beyond the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
Description clearly states the action: 'List the assumptions of a specific test', identifies the resource (test_id), and differentiates from siblings like interpret_result and recommend_test by specifying what it returns.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
Explicitly instructs to pass a test_id from recommend_test/list_supported_tests, with examples. Does not state when not to use, but context is clear.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It discloses that the calculation uses a normal approximation and that the result is a close lower bound. This transparency about the method and its limitations is valuable for an agent deciding whether to trust the output.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences with no redundant words. It front-loads the core purpose and then adds necessary detail. Every sentence contributes value.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's complexity (5 parameters, no output schema), the description explains the purpose, effect size mapping, and a crucial caveat. It does not describe the return value explicitly, but for a power analysis tool, the output (sample size) is implied. It is reasonably complete for an agent to use correctly.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters3/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
With schema description coverage at 0%, the description must compensate. It explains that effect_size uses Cohen's d for two_means/paired_means, Cohen's h for two_proportions, and correlation r for correlation. This adds meaning beyond the schema. However, it does not clarify alpha, power, or two_sided beyond their defaults, though these are standard statistical parameters.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool's purpose: 'A priori power analysis: the required sample size for a target power.' It uses a specific verb ('compute') and resource ('sample size'), and it distinguishes from sibling tools like check_assumptions or interpret_result by focusing on planning.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides usage guidance by noting the normal approximation and advising to confirm exact numbers in G*Power for t-based tests. This tells the agent when to be cautious. However, it does not explicitly state when to use this tool versus alternatives like recommend_test.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
- Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden. It clearly states what the tool returns: the test, assumptions, SPSS path, R code, APA template, and fallbacks. This provides good transparency about the tool's output, though it does not mention non-side-effect traits like data handling or auth requirements, which are not critical for this tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5Is the description appropriately sized, front-loaded, and free of redundancy?
The description is concise at about 5 sentences, front-loading the core purpose, then listing required inputs and expected outputs. Every sentence adds value, with no redundant or unclear phrasing.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness4/5Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's complexity and lack of output schema, the description covers the essential aspects: input requirements and output contents. It provides enough detail for an agent to use it correctly. A minor improvement could be including an example of a full input, but it is still quite complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Parameters5/5Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 0%, so the description must compensate. It explicitly explains all 5 parameters: outcome_type, design, n_groups, normality, and equal_variance, with examples and guidance. This adds significant meaning beyond the raw schema, which only lists enums without descriptions.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose5/5Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool's purpose: 'Recommend the correct statistical test for a study design.' It specifies the verb (recommend), resource (statistical test), and context (study design). This distinguishes it from siblings like check_assumptions or interpret_result, which focus on different aspects of statistical analysis.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines4/5Does the description explain when to use this tool, when not to, or what alternatives exist?
The description explicitly says 'Use this to answer "what statistical test should I use?"' and guides the user on what information to provide (outcome type, design, etc.). However, it does not explicitly mention when not to use this tool or directly contrast with siblings, though the context makes the differentiation clear.
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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