Playwright Wizard MCP Server

by oguzc

Overview Schema Related Servers Score Discussions

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Server Quality Checklist

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Latest release: v0.1.6
Disambiguation5/5
Each tool has a distinct role within the workflow: analyze, plan, setup, generate page objects, implement, plus separate reference tools and optional add-ons. The numbered steps (Step 1-5) further clarify the intended sequence, eliminating ambiguity.
Naming Consistency5/5
Tool names consistently use a verb_noun pattern with prefixes like 'analyze-', 'generate-', 'setup-', 'reference-', and 'add-'. The only minor deviation is 'advanced-optimization' but it still fits the pattern of optional additions.
Tool Count5/5
With 15 tools, the server covers a full test creation workflow (5 steps), essential reference materials (6), and optional enhancements (4). The count is well-scoped for its purpose, neither excessive nor insufficient.
Completeness5/5
The tool set covers the complete lifecycle from app analysis to test implementation, including infrastructure setup, page objects, and references. Optional tools add accessibility, API testing, optimization, and CI/CD, leaving no obvious gaps.
Average 3.4/5 across 15 of 15 tools scored. Lowest: 2/5.
See the Tool Scores section below for per-tool breakdowns.
- 0 of 1 community issues answered or closed in the last 6 months
- 0 commits in the last 12 weeks
- Last stable release on October 11, 2025
- No critical vulnerability alerts
- No high-severity vulnerability alerts
- No code scanning findings
- CI is passing
This repository is licensed under MIT License.
This repository includes a README.md file.
No tool usage detected in the last 30 days. Usage tracking helps demonstrate server value.
Tip: use the "Try in Browser" feature on the server page to seed initial usage.
Add a glama.json file to provide metadata about your server.
If you are the author, simply .
If the server belongs to an organization, first add glama.json to the root of your repository:
```
{
  "$schema": "https://glama.ai/mcp/schemas/server.json",
  "maintainers": [
    "your-github-username"
  ]
}
```
Then . Browse examples.
Add related servers to improve discoverability.

How to sync the server with GitHub?

Servers are automatically synced at least once per day, but you can also sync manually at any time to instantly update the server profile.

To manually sync the server, click the "Sync Server" button in the MCP server admin interface.

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

Behavior1/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description must disclose behavior. It claims to provide 'full workflow instructions' and optionally add API testing, but it doesn't explain what side effects occur, whether it modifies state, or what 'adding' entails. The empty input schema suggests no input is needed, which is inconsistent with a tool that 'adds' something.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness2/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is short but not concise in meaning. It includes an imperative call and an emoji, wasting space. The structure is disjointed, mixing a command with an optional capability. It could be clearer and more informative in fewer words.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness1/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool has no parameters and no output schema, the description should clearly explain what 'adding API testing' means and what the tool actually does. It fails to do so, leaving the agent uncertain about the tool's effect. It is not complete for selecting and invoking correctly.
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?
The tool has zero parameters, so baseline is 4. The description does not add any parameter information, which is acceptable since there are none. Schema coverage is 100% trivially.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose2/5
Does the description clearly state what the tool does and how it differs from similar tools?
The description starts with an imperative command to call the tool immediately for instructions, then adds 'Optional: Add API testing'. This is contradictory and unclear; the name suggests the tool adds API testing, but the description makes it sound like a meta-instruction tool. It fails to clearly state the primary function.
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 siblings like 'add-accessibility' or 'generate-test-plan'. The phrase 'CALL THIS TOOL IMMEDIATELY' implies priority but lacks justification or context. No when-not-to-use or alternative suggestions are provided.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are present, and the description fails to disclose behavioral traits. It inconsistently suggests both retrieving instructions and performing an accessibility test, without clarifying actual side effects or return behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness2/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is short but poorly structured: it starts with an alarming warning and mixes two distinct intents. It is not front-loaded or concise, wasting space on a misleading instruction.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no output schema and no annotations, the description should fully describe the tool's function. It fails to resolve the contradiction between retrieving instructions and adding accessibility, leaving the agent uncertain about outcomes.
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?
The input schema has zero parameters and 100% coverage, so no additional parameter documentation is required. The description does not add value beyond the schema but does not detract either.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose2/5
Does the description clearly state what the tool does and how it differs from similar tools?
The description starts with an imperative 'CALL THIS TOOL IMMEDIATELY to get full workflow instructions,' which contradicts the title and the subsequent mention of 'Add accessibility testing.' The primary purpose is unclear, as it conflates retrieving instructions with performing an action.
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 is provided on when to use this tool versus its siblings (e.g., add-api-testing, advanced-optimization). The description does not specify context, prerequisites, or alternatives.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description should disclose behavioral traits, but it does not mention idempotency, side effects, or whether the tool modifies state. The hint about being 'Step 2' is not a clear behavioral disclosure.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is relatively concise but includes an imperative 'CALL THIS TOOL IMMEDIATELY' that adds noise. Could be more streamlined without the warning emoji and redundant phrasing.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given 0 parameters and no output schema, the description should clarify what the tool returns. It mentions both 'workflow instructions' and 'test scenarios' without specifying the output format or behavior, leaving ambiguity for a simple tool.
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?
There are 0 parameters, so schema coverage is 100%. However, the description mentions 'based on the analysis' implying implicit input, but no parameter is provided. Baseline 4 is reduced for missing context.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose3/5
Does the description clearly state what the tool does and how it differs from similar tools?
The description states it generates a test plan with scenarios, but also includes an imperative to call immediately for full workflow instructions, causing ambiguity about the primary purpose.
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 like generate-page-objects or reference tools. The 'CALL IMMEDIATELY' instruction is vague and does not explain prerequisites or post-conditions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description must fully disclose behavior. It says 'deep dive' but does not clarify whether the tool reads, modifies, or configures anything. The behavioral traits are unclear.
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?
The description is a single sentence that is fairly concise, though slightly verbose. It front-loads 'Optional' and then lists topics. Could be more streamlined, but no wasted words.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the lack of annotations and output schema, the description is the only source of information. It lists topics but does not explain what happens upon invocation (e.g., output, side effects). The tool's behavior is incomplete.
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?
The input schema has zero parameters, and schema description coverage is 100% (empty). The description adds value by mentioning the topics covered, even though no parameters exist. Baseline 3, with additional context justifies 4.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose3/5
Does the description clearly state what the tool does and how it differs from similar tools?
The description mentions 'deep dive into performance optimization, auth state reuse, parallel configuration tuning, and advanced patterns', but it lacks a clear verb indicating what action the tool performs. It seems more like a reference or analysis tool, yet the name suggests optimization. The purpose is somewhat clear but not specific.
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 starts with 'Optional', implying it's not required, but provides no guidance on when to use this tool versus alternatives. No explicit context for usage or when to avoid it.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations provided, so the description must fully disclose behavior. It states it generates page objects but does not explain effects (e.g., file creation, prerequisites, return value). The additional instruction retrieval claim is vague.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is short but mixes an imperative call to action with a step description, reducing clarity. The warning emoji and 'IMMEDIATELY' are not essential. Could be more focused.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Completeness2/5
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no annotations and no output schema, the description lacks details on prerequisites, side effects, or what the output looks like. For a simple tool with no parameters, more context about the workflow step is needed.
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?
With 0 parameters, schema coverage is 100%. The description does not need to add parameter details, and it does not, which is acceptable. Baseline for 0 parameters is 4.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool generates page objects with type-safe models and optimal selectors. However, the imperative 'CALL THIS TOOL IMMEDIATELY to get full workflow instructions' introduces ambiguity about the primary purpose, blending instruction retrieval with generation.
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. The description simply says 'CALL THIS TOOL IMMEDIATELY' without context or conditions, and sibling tools are not referenced. A clear when-to-use/when-not-to-use is missing.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description carries the full burden of behavioral disclosure. It mentions 'get full workflow instructions' and 'add GitHub Actions workflow', but does not clarify whether it solely returns instructions or modifies the project, what permissions are needed, or what side effects occur. The behavioral details are minimal and vague.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness3/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is short but wastes space with an unnecessary 'Optional:' prefix that conflicts with the urgent 'CALL THIS TOOL IMMEDIATELY'. The attention-grabbing emoji is effective, but the mixed messaging reduces clarity. Front-loading the urgency is good, but the optional qualifier dilutes it.
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?
Given the tool has no parameters and no output schema, the description offers a moderate level of completeness: it states the action (add GitHub Actions workflow) and a feature list (parallel execution, artifact reporting). However, it does not explain the sequence relative to siblings like 'setup-infrastructure' or what 'full workflow instructions' entails, leaving some ambiguity.
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?
The input schema has zero parameters, so the description adds meaning by implying that no user input is required. The phrase 'CALL THIS TOOL IMMEDIATELY to get full workflow instructions' suggests the tool acts as a starting point without configuration. The schema coverage is 100%, and the description effectively communicates the parameterless nature.
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 states the tool's purpose: 'Setup CI/CD - add GitHub Actions workflow for automated testing with parallel execution and artifact reporting'. It uses a specific verb ('Setup') and resource ('CI/CD'), and distinguishes from siblings like 'setup-infrastructure' and 'reference-workflow-overview' by focusing on GitHub Actions workflow addition.
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 contains contradictory guidance: 'CALL THIS TOOL IMMEDIATELY' suggests urgency and priority, but 'Optional:' implies it is not mandatory. There is no explicit when-to-use or when-not-to-use guidance, nor mention of alternatives like 'reference-workflow-overview' which might provide similar instructions.
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 the burden. It discloses it provides workflow instructions and writes tests with proper assertions, etc., but doesn't specify side effects, idempotency, or output format. Some behavioral context but not comprehensive.
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?
Two sentences, no fluff. First sentence is a strong imperative, second provides detail. Every sentence earns its place.
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?
Given no output schema and no parameters, description should explain what the agent receives. It mentions 'full workflow instructions' but remains vague about return format. Adequate but leaves questions about actual output.
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?
No parameters (baseline 4). Schema coverage is 100% trivially. Description doesn't need to add parameter info but could mention lack of input; it doesn't, but no points deducted.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Purpose4/5
Does the description clearly state what the tool does and how it differs from similar tools?
States it implements a test suite with specific quality attributes, distinguishing it from sibling tools like 'generate-test-plan'. Slight ambiguity as it also says 'get full workflow instructions', but overall verb+resource is clear.
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?
Imperatively tells the agent to call it immediately but provides no guidance on when not to use or alternatives among the many sibling tools. No context for prerequisites or exclusions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description does not disclose behavioral traits beyond 'get' (read). It does not mention return format, authentication needs, or side effects. For a simple getter, this is minimal disclosure.
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?
Single sentence with no redundancy; every word contributes to understanding the tool's purpose.
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?
Given zero parameters and no output schema, the description adequately states what the tool returns but lacks context on output format or typical use cases compared to sibling reference tools. Slightly more detail would improve completeness.
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?
No parameters exist, so baseline is 4. The description does not need to add parameter info beyond the schema, which is fully covered (0 params).
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?
Description clearly states the tool retrieves data storage patterns for test infrastructure, listing specific patterns (ORM, JSON files, in-memory, MSW), which differentiates it from sibling reference tools like reference-core-principles.
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 (e.g., reference-workflow-overview or reference-fixture-patterns). The description implies usage for storage pattern info but lacks explicit when-to or when-not-to advice.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Behavior2/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations provided, the description must disclose all behavioral traits. It only states 'Get' which implies a read operation but does not mention idempotency, output format, or any side effects. Minimal transparency.
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?
A single, front-loaded sentence with no redundancy. Every word earns its place, making it concise and easy to parse.
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?
For a tool with no parameters and no output schema, the description adequately states the tool's purpose. However, it does not specify the return format or provide example usage, which could be helpful. It is minimally complete.
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?
There are zero parameters, so schema coverage is trivially 100%. The description adds meaning by specifying the content of the patterns (parallel execution, state management, test isolation) which goes beyond the empty schema.
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 'Get Playwright fixture patterns for parallel execution, state management, and test isolation' clearly states the action (get) and the resource (fixture patterns) with specific aspects. This distinguishes it from sibling reference tools that cover different topics.
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 is provided on when to use this tool versus other reference tools like reference-core-principles or reference-selector-strategies. The agent has no context for selection.
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?
The description implies a read-only operation by stating 'Get selector strategies'. However, with no annotations, it does not disclose additional behavioral traits such as idempotency, rate limits, or side effects. It is minimally transparent but not contradictory.
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 a single, concise sentence that front-loads the core purpose. Every word adds value with no fluff.
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?
The description explains what the tool retrieves but omits details about the output format or structure. Given the absence of an output schema, the description should provide some indication of the return type to be fully complete.
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?
The input schema has zero parameters and 100% coverage. The description does not add parameter details, but baseline is 4 for no parameters.
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 states the tool retrieves selector strategies, HTML quality scoring guidelines, and best practices. It uses the verb 'Get' and specifies the resource, distinguishing it from other reference tools like reference-core-principles or reference-data-storage-patterns.
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 is provided on when to use this tool versus alternatives like reference-core-principles or reference-workflow-overview. The description does not mention prerequisites, typical scenarios, or exclusions.
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?
With no annotations provided, the description bears full responsibility for behavioral disclosure. It indicates a read operation ('Get') but does not describe the output format or other traits like response size or pagination. The behavior is simple but underexplained.
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 a single, front-loaded sentence with no redundant words. It efficiently conveys the core purpose without extra fluff.
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?
Given the simplicity (no parameters, no output schema), the description provides the basic purpose but lacks specifics about the return value. It leaves uncertainty about what the agent will receive, which is a gap for a reference 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?
There are no parameters, so the schema coverage is 100%. Per guidelines, a tool with zero parameters defaults to a baseline score of 4, as the description has no obligation to add parameter details.
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 states the tool retrieves core testing principles and quality standards, using a specific verb ('Get') and a clearly defined resource. It is distinct from sibling tools that cover other reference topics or implementation tasks.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description does not explicitly state when to use this tool versus its siblings. While it implies foundational guidance, there is no direct guidance on preferred contexts or alternatives, leaving ambiguity for tool selection.
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 must carry the behavioral context. It describes a read operation ('Get'), which is non-destructive, but does not elaborate on aspects like response format, side effects, or dependencies. The behavior is straightforward, but minimal information is given.
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 a single sentence with no redundant information. It is concise and front-loaded, clearly stating the tool's purpose without extra words.
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?
Given the lack of parameters and output schema, the description provides essential information about what the tool delivers. It mentions both 'setup instructions' and 'usage patterns', which covers the expected content. However, it could have clarified the context of 'MCP server' slightly, but it is still adequate.
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?
There are no parameters, so the description does not need to add parameter semantics. The schema coverage is 100% trivially. The tool is simple, and the description provides sufficient context for its purpose without needing parameter details.
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 states that the tool retrieves 'MCP server setup instructions and usage patterns' for Playwright Wizard. The verb 'Get' and resource 'setup instructions' are specific, and it distinguishes itself from sibling tools that focus on other aspects like core principles or selector strategies.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines3/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description lacks explicit guidance on when to use this tool versus alternatives. It implies usage for MCP server setup, but does not mention when not to use it or provide references to sibling tools. The usage context is implied but not directly stated.
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 full burden. It states the tool returns a 'guide' (read operation), but does not disclose any potential side effects, authentication requirements, or format of the output. The description is adequate but lacks depth on behavioral traits beyond the basic read nature.
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 a single, well-formed sentence that conveys the essential information without any superfluous text. It is front-loaded with the action ('Get') and resource, making it easy to parse quickly.
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?
Given the simplicity of the tool (no parameters, no output schema), the description adequately explains what the tool returns: a high-level workflow guide. It does not specify the format or length, but for a reference-like tool, this level of detail is sufficient. The context signals confirm it is a simple retrieval 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?
The input schema has zero parameters, and schema description coverage is 100% (vacuously). With no parameters, the description does not need to add parameter semantics. The baseline for 0 parameters is 4, and the description appropriately says nothing about parameters.
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 states the tool retrieves a 'high-level workflow guide explaining the test creation process and prompt relationships'. The verb 'Get' and resource 'high-level workflow guide' are specific, distinguishing it from sibling reference tools that focus on detailed topics like selector strategies or fixture patterns.
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 description implies it should be used for an initial overview of the test creation process and prompt relationships. While it does not explicitly state when not to use or name alternatives, the sibling names (e.g., 'reference-core-principles', 'reference-selector-strategies') provide clear context that this is the general guide vs. specific references.
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?
Without annotations, the description carries the full burden and discloses key behaviors: creates multiple files (project-config.md, pages.md, selector-strategy.md) and performs analysis. It uses a warning emoji to signal importance, but some ambiguity remains about whether it returns instructions or executes the analysis directly.
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?
The description is a single sentence that front-loads urgency and clearly enumerates tasks. It is concise but could be slightly more structured with bullet points; however, it remains effective.
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?
Given zero parameters, no output schema, and no annotations, the description fully explains the tool's role and outputs. It tells the agent to call it first, which completes the contextual guidance for its simple purpose.
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?
The input schema has no parameters, so the description does not need to explain parameters. Baseline for 0 parameters is 4; no compensation needed.
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 states the tool's purpose: analyze the application by detecting tech stack, browsing pages, evaluating DOM, and creating test strategy files. It distinguishes itself from sibling tools as the initial analysis step.
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 description explicitly advises to call this tool immediately as the first step in the workflow. It provides clear context for when to use, though it does not mention when not to use or alternatives.
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?
The description discloses that the tool gives instructions rather than performing actions, which is transparent. No annotations are provided, but the behavioral trait is clearly stated.
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 a single, front-loaded sentence with no unnecessary words, earning its place by conveying urgency and purpose.
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?
Given the tool has no parameters and no output schema, the description is sufficient to understand its role. However, it could mention the format of the instructions.
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?
No parameters are defined, so baseline 4 applies. The description adds value by explaining the tool's purpose beyond the schema.
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 states that calling this tool provides full workflow instructions for setting up infrastructure, distinguishing it from sibling tools that are reference or other steps.
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?
It explicitly instructs to call the tool immediately, placing it as step 3 in a workflow, but does not explain when not to use it or mention alternatives.
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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