Apple Docs MCP

Server Quality Checklist

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Latest release: v1.0.26
Disambiguation5/5
Each tool has a clearly distinct purpose, covering different aspects of Apple documentation and WWDC content. Tools like browse_wwdc_topics, list_wwdc_videos, and list_wwdc_years are unambiguously separate, and search tools are differentiated by source (docs, WWDC, framework symbols).
Naming Consistency5/5
All tool names follow a consistent verb_noun pattern in snake_case (e.g., browse_wwdc_topics, get_apple_doc_content, list_technologies). The naming is predictable and readable, with no mixing of conventions.
Tool Count5/5
18 tools cover a broad domain (Apple documentation, WWDC, framework browsing, sample code, platform compatibility) without being excessive. Each tool serves a clear purpose, and the count feels well-scoped for the intended functionality.
Completeness5/5
The tool set is comprehensive for exploring Apple developer resources. It covers search, navigation, getting content, related APIs, updates, and sample code. No obvious gaps for typical documentation tasks.
Average 4.1/5 across 18 of 18 tools scored.
See the Tool Scores section below for per-tool breakdowns.
- 1 of 8 community issues answered or closed in the last 6 months
- 0 commits in the last 12 weeks
- Last stable release on September 15, 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.
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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.
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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

Behavior3/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already indicate readOnlyHint=true. The description adds that results include code and session context, but does not disclose pagination, defaults, or other behavioral traits beyond the annotation.
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 efficient sentences that state the core action and value proposition without extraneous 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?
For a browsing tool with no output schema, the description gives a clear idea of output (code and session context) but could mention default behavior or result limits more explicitly.
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 covers all parameters with descriptions (100% coverage). The tool description does not add additional meaning to parameters beyond what is already in 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 the tool retrieves code examples from WWDC sessions, distinguishing it from sibling tools that focus on topics, videos, or APIs.
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 suggests use cases ('finding implementation patterns, seeing new API usage') but does not provide guidance on when not to use or 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?
Annotations already declare 'readOnlyHint: true', indicating a safe read operation. The description adds that the tool 'resolves all mentioned types', but does not elaborate on performance, scope limits, or other behavioral traits beyond what annotations provide. It does not contradict annotations, but adds minimal extra context.
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 concise, with three clear sentences: the action, details, and usage guidance. It is front-loaded with the core purpose and contains no redundant elements.
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?
The tool has no output schema, yet the description does not explain what the result looks like (e.g., list of references, structure, or metadata). For a tool that resolves references from a documentation page, this is a significant gap. The description would benefit from outlining the return format or behavior.
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 input schema already provides detailed descriptions for all three parameters (e.g., sourceUrl example, maxReferences bounds, filterByType enum). The description does not add any parameter semantics beyond the schema. Per guidelines, baseline 3 is appropriate.
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 function: 'Deep dive into all types and APIs referenced in a documentation page. Resolves all mentioned types, methods, and properties.' It uses a specific verb-resource combination and outlines concrete use cases, making the purpose unambiguous.
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 provides explicit when-to-use scenarios ('Use when: analyzing complex APIs, understanding type requirements, exploring API ecosystems'). However, it does not mention when not to use this tool or compare it to sibling tools (e.g., get_related_apis), which slightly limits guidance.
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?
Annotations already declare readOnlyHint=true. Description adds minimal behavioral info, mostly restating purpose. No mention of side effects, rate limits, or output structure beyond what annotations cover.
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 with zero wasted words. Front-loaded with clear purpose, followed by context on use case. Each sentence adds value.
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?
No output schema exists, so description should compensate with behavioral details. It explains the high-level purpose but lacks specifics on return format, pagination, or error cases. Adequate but not complete.
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?
Input schema has 100% coverage with clear descriptions for all 6 parameters. Description does not add parameter-specific meaning beyond what schema already provides. Baseline 3 is appropriate.
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 discovers related WWDC sessions (prerequisite, follow-up, similar talks) with a specific verb and resource. It distinguishes from siblings like browse_wwdc_topics or find_similar_apis by focusing on video-to-video relationships.
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?
Description provides clear usage context ('Essential for creating learning paths') but does not explicitly mention when not to use or alternatives. Given many sibling tools, this is a minor gap.
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?
Annotations already declare readOnlyHint=true, which the description supports by using read-only verbs like 'discovers' and 'finds'. However, the description does not add deeper behavioral traits such as result format, pagination, or rate limits. With annotations covering safety, a score of 3 is appropriate.
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 sentences, front-loaded with the core purpose, and every sentence adds value. No fluff or redundancy.
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 4 parameters and no output schema, the description covers purpose and usage context well. It does not describe the output format, but for a discovery tool, it is mostly complete. Minor gap for a high score.
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 description coverage is 100%, so each parameter is already well-documented. The description reinforces the purpose of includeAlternatives but does not add new semantics beyond the schema. Baseline 3 is appropriate when the schema carries the burden.
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 finds alternative and related APIs, including similar functionality, modern replacements, and platform-specific alternatives. It distinguishes from sibling tools by emphasizing discovery of better ways to implement functionality.
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 indicates when to use ('Perfect when looking for better ways to implement functionality'), but does not explicitly mention when not to use or contrast with siblings like get_related_apis. It provides clear context but lacks 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?
Annotations already declare readOnlyHint=true, indicating a safe read operation. The description adds content-level detail (guides, tutorials) but does not disclose any additional behavioral traits such as rate limits, auth requirements, or pagination behavior. With annotations present, the bar is lower, but no extra behavioral insight is provided.
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 sentences long, front-loaded with the key verb and resource, and every sentence adds value. No fluff or redundancy.
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 an output schema, the description does not detail return values, but it conveys the type of content returned (guides, tutorials, best practices). With 5 well-documented parameters and a clear purpose, the description is fairly complete for a read-only overview tool, though more detail on result structure could help.
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 description coverage is 100%, with each parameter having a clear description. The tool description does not add any new semantics to the parameters; it only describes the overall content. Per guidelines, baseline 3 is appropriate when schema coverage is high.
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 verb 'access' and the resource 'comprehensive guides and tutorials for Apple technologies'. It specifies the content types (getting started guides, architectural overviews, best practices, implementation patterns) and use case (learning new frameworks, understanding recommended approaches), distinguishing it from sibling tools like get_apple_doc_content or browse_wwdc_topics.
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 provides clear usage context: 'Perfect for learning new frameworks or understanding Apple's recommended approaches'. However, it does not explicitly state when not to use this tool or how it compares to alternatives like get_apple_doc_content or search_apple_docs, leaving some ambiguity.
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?
Annotations already mark readOnlyHint=true. Description adds 'full offline access to transcripts and code', which is useful but not critical. No destructive behavior disclosed; aligns with annotations.
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, front-loaded with key action, no wasted words. Every sentence adds value.
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 4 parameters, no output schema, and no nested objects, the description sufficiently explains the tool's purpose and output. Could mention pagination or sorting, but limit parameter covers size.
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?
Input schema has 100% coverage with detailed descriptions for all four parameters. Description does not add new parameter semantics beyond 'filtering options' which is implicit from 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 the tool browses WWDC session videos with offline access, distinguishing it from sibling tools like get_wwdc_video or browse_wwdc_topics. The verb 'browse' and resource 'WWDC session videos' are specific.
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 states use cases: discover WWDC content, find sessions by topic, identify videos with code examples. It does not name alternatives but context implies when to use this vs. search or detail tools.
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?
Annotations already indicate readOnlyHint=true, so the description adds value by specifying the output includes video counts and statistics. No contradiction, and no hidden behaviors need disclosure for such 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.
Conciseness5/5
Is the description appropriately sized, front-loaded, and free of redundancy?
Two concise sentences, front-loaded with the main purpose. Every sentence is informative and there is no fluff.
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?
Description adequately covers the return shape (years, video counts, statistics) for a simple list tool with no output schema. The term 'statistics' is vague but acceptable given the context.
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 zero parameters and 100% schema coverage, the description adds meaning by explaining what data the tool returns (video counts and statistics), going 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?
Description clearly states the verb 'list', the resource 'WWDC years', and the data returned (video counts and statistics). It distinguishes from sibling tools like list_wwdc_videos which lists individual videos.
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 explicit guidance on when to use this tool versus alternatives like browse_wwdc_topics or list_wwdc_videos. The description implies it's for an overview of years, but lacks when-not or exclusion criteria.
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?
Annotations provide readOnlyHint=true which is consistent. The description adds no extra behavioral traits such as auth needs, rate limits, or output format. It sufficiently describes the read operation but no additional transparency beyond the purpose.
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 with zero wasted words. Front-loaded with verb and resource, followed by use cases and prerequisite. Highly efficient.
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?
Despite no output schema, the description is sufficient for a search tool: it tells what it does, when to use it, and hints at output (list of symbols). Missing explicit return type but not critical.
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 description coverage is 100% with detailed parameter descriptions. The tool description only adds context like 'Get exact names from list_technologies' which is helpful but minimal. Baseline 3 is appropriate.
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 it browses and searches symbols within a specific Apple framework, uses specific verbs and resource, and distinguishes from siblings by prescribing use after list_technologies.
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 recommends using after list_technologies and provides example use cases ('exploring framework APIs, finding all views/controllers/delegates'). It lacks direct exclusions but provides clear context.
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?
Annotations already declare readOnlyHint=true, so the description's job is lighter. It adds that results include context snippets but does not detail other behavioral traits like pagination, rate limits, or auth requirements. The description does not contradict annotations.
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 sentences, front-loaded with the core purpose, and contains no filler. Every sentence adds value.
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 no output schema, the description mentions return format ('results include context snippets'), but lacks details on pagination, empty result behavior, or performance. Still, it is reasonably complete for a search tool with good annotations.
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% (all parameters have descriptions). The description does not add meaningful extra meaning beyond what the schema already provides for each parameter, so a baseline score of 3 is appropriate.
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 explicitly states it performs full-text search across WWDC video transcripts and code examples, using specific verbs ('search', 'find') and naming the resource. It clearly distinguishes itself from sibling 'list_wwdc_videos' by noting it is more powerful for finding specific content.
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 provides context on when to use this tool over a sibling ('More powerful than list_wwdc_videos for finding specific content'), but does not explicitly state 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.
Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The description adds value beyond the readOnlyHint annotation by detailing that the tool retrieves content and supports enhanced analysis options (includeRelatedApis, includeReferences, etc.). No contradictions with annotations.
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 concise (4 sentences) and front-loads the core purpose. Every sentence adds value: positioning after search, mentioning analysis options, and listing best uses. No redundant information.
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's complexity (5 parameters, no output schema), the description covers purpose, workflow, and optional features adequately. It does not explain return values, but the schema hints at the output. Still sufficient for an agent to understand when and how to use it.
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?
With 100% schema description coverage, the input schema already explains each parameter well. The description does not add significant additional meaning beyond what the schema provides, warranting a baseline score of 3.
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 uses a specific verb ('Get') and resource ('content from a specific Apple Developer Documentation page'), clearly distinguishing it from sibling tools like search_apple_docs (which finds pages) and find_similar_apis (which suggests alternatives).
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 recommends using this after search_apple_docs and lists best use cases (reading API details, understanding usage, checking availability). It does not explicitly exclude other usage scenarios or name alternatives, but the context is clear.
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?
Annotations already declare readOnlyHint=true, so the tool is known to be non-destructive. The description does not add behavioral context beyond this, such as rate limits or output behavior, but it is consistent with annotations.
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 concise (3 sentences) and front-loaded with the core purpose. No unnecessary information is included, and the alternative tool guidance adds value without redundancy.
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 6 parameters, 100% schema coverage, and lack of output schema, the description provides adequate context for understanding the tool's role and usage. It could mention output format or pagination, but overall it is complete enough for selection and invocation.
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?
All 6 parameters have descriptions in the input schema (100% coverage). The tool description does not add meaningful extra information about parameters beyond what the schema provides, so it meets baseline expectations.
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: tracking latest Apple platform updates, new APIs, and changes, including WWDC announcements, framework updates, and release notes. It also distinguishes from sibling WWDC-specific tools, making its scope unambiguous.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines5/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides explicit guidance on when to use this tool ('Essential for staying current with Apple development') and when not to ('For detailed WWDC videos, use WWDC-specific tools'), effectively directing the agent to 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?
Annotations include readOnlyHint: true, indicating a read operation. The description adds behavioral context by detailing the output (minimum deployment targets, deprecations, platform-specific features) and emphasizing its importance for cross-platform development, going beyond annotations.
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: purpose, output, and usage. Every sentence adds value, is front-loaded, and contains no redundant information.
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?
For a tool with three well-documented parameters and no output schema, the description adequately covers purpose, output, and usage. It lacks details on return format but is sufficient for the agent to decide when to use it.
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% with good parameter descriptions (e.g., 'API URL to check compatibility', 'Check single API or entire framework'). The description does not repeat parameter details, but baseline 3 is appropriate since schema already provides sufficient semantics.
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 checks API availability across Apple platforms and OS versions, listing outputs like deployment targets and deprecations. It distinguishes itself from siblings by focusing on platform compatibility, a unique function among the listed tools.
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 includes 'Use when:' with three specific scenarios: planning app requirements, checking API availability, finding platform alternatives. It does not state when not to use or list alternatives, but the provided use cases give clear guidance.
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?
Annotations already include readOnlyHint=true. Description does not contradict and adds context about browsing full sample projects, reinforcing read-only nature. No extra behavioral details needed beyond what annotations provide.
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 informative sentences with a third differentiating from sibling. Front-loaded with purpose, no redundant words. Highly concise and structured.
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?
No output schema, but description mentions 'full working examples' which implies the result type. Lacks details on pagination or ordering, but sufficient for a browsing tool given annotations and schema coverage.
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 description coverage is 100%, so baseline is 3. Description provides examples for 'framework' and 'searchQuery' but these are already in the parameter descriptions. No additional semantic meaning beyond 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?
Description clearly states 'Browse complete sample projects from Apple' with 'Full working examples' specifying it returns complete projects, not snippets. It explicitly distinguishes from sibling 'search_apple_docs' which returns code snippets.
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?
States 'Use for learning by example', giving clear usage intent. Also contrasts with sibling tool, providing guidance on when to use this vs alternatives. No explicit exclusions, but adequate.
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?
Description adds details beyond readOnlyHint annotation, such as showing inheritance and protocol conformances. No contradictions; all behavioral traits disclosed.
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?
Three efficient sentences, front-loaded with purpose, no redundancy. Every sentence adds value.
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 read-only discovery tool with no output schema, the description covers purpose, usage, parameters, and behavioral context adequately. No gaps.
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%, so the description adds minimal value beyond the schema. The phrase 'Essential for understanding how APIs work together' provides slight context but no extra semantics for 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?
Clearly states it analyzes API relationships, shows inheritance, protocol conformances, and Apple's recommended alternatives. Distinguishes from siblings like find_similar_apis by focusing on Apple's official recommended alternatives and hierarchy.
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?
Explicitly lists use cases: learning API hierarchy, finding protocol requirements, discovering related functionality. No exclusions, but the context is clear enough for the agent to decide when not to use.
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?
Annotations already include readOnlyHint=true, so the bar is lower. The description adds context about providing offline access and full content, which is valuable. No contradictions.
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: first states purpose, second gives usage guidance. No extraneous information, front-loaded with key details.
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 no output schema, the description sufficiently explains the tool returns complete session content with transcript, code, and resources. It also mentions offline access, covering all necessary context.
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%, so the description does not need to add much. However, it does not elaborate on parameters beyond what the schema already provides, maintaining the baseline of 3.
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 accesses complete WWDC session content including transcript, code examples, and resources. It distinguishes itself from siblings by specifying it is used after finding videos with list_wwdc_videos or search_wwdc_content.
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 states to use after finding videos with list_wwdc_videos or search_wwdc_content, providing clear context. No when-not-to-use instructions are given, but the guidance is sufficient for an agent.
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?
Annotations already declare readOnlyHint=true, so the bar is lower. The description adds behavioral context like browsing by category, discovering frameworks, and checking beta status, which are helpful but not extensive. It doesn't contradict annotations.
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 only 4 sentences, front-loaded with the main action, and efficiently covers value and usage cases. Every sentence adds information without redundancy.
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?
The tool is simple with no output schema. The description explains purpose and usage well but could briefly mention the response format (e.g., list of technology names/identifiers). Still, it is largely complete for its complexity.
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 baseline is 3. The description adds value by mentioning case-sensitivity for category, providing popular examples, and linking parameter use to real tasks (e.g., checking beta status). This goes beyond schema descriptions.
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 browses Apple technologies by category, using specific verbs like 'browse' and 'discover'. It distinguishes itself from siblings by mentioning the use case of finding framework identifiers for search_framework_symbols, providing a clear resource and differentiator.
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 lists when to use the tool: exploring available frameworks, finding identifiers, and checking beta status. It references search_framework_symbols as a sibling, providing an alternative. However, it lacks explicit when-not-to-use guidance beyond that.
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 is consistent with the readOnlyHint annotation, implying no side effects. It adds context about the scope of search but does not elaborate on other behavioral traits like rate limits or auth requirements. With annotations covering the read-only nature, the description provides sufficient additional context for a search tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Conciseness5/5
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is three sentences, front-loaded with the main purpose, and each sentence adds value. It avoids unnecessary detail and wastes no 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?
For a search tool with two parameters and no output schema, the description covers purpose, scope, and alternatives adequately. It does not mention pagination or result format, but this is a minor gap given the tool's simplicity and the presence of annotations.
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 already provides detailed descriptions for both parameters (query and type), including tips and examples. The tool description itself does not add new parameter information beyond what the schema provides. With 100% schema coverage, the baseline is 3, and the description does not elevate it further.
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: searching Apple Developer Documentation for APIs, frameworks, guides, and samples. It differentiates from sibling tools by explicitly mentioning alternatives (get_sample_code and WWDC tools) and their use cases, making it easy for an agent to understand what this tool is for.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines5/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description provides explicit guidance on when to use this tool: 'Best for finding specific APIs, classes, or methods.' It also tells when to use alternatives and includes tips in the parameter descriptions about avoiding generic terms. This helps the agent choose correctly between siblings.
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?
Annotations already indicate readOnlyHint=true, and the description adds value by specifying the output (IDs) and their reuse in other tools. No destructive behavior or contradictions.
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 directly convey purpose, usage, and output without waste. Front-loaded with key action and appropriate detail.
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?
No output schema exists, but the description sufficiently explains the return value (IDs and usage). Parameter meanings are fully covered in schema. Complete enough for an agent.
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%, but the description adds context beyond schema by mentioning that leaving topicId empty shows all topics with video counts, and provides example IDs.
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 lists WWDC topic categories with IDs. It distinguishes itself from siblings like 'list_wwdc_videos' by positioning as the essential first step for topic filtering.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Usage Guidelines5/5
Does the description explain when to use this tool, when not to, or what alternatives exist?
Explicitly says 'Essential first step before using list_wwdc_videos with topic filtering', providing clear context and instruction on when to use this tool.
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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