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

No annotations are provided, so the description carries full burden. It only states the operation and returns, but does not disclose behavioral traits such as whether tracks are appended or overwritten, permission requirements, rate limits, or error conditions beyond a basic message.

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

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

The description includes a clear main sentence followed by detailed arguments and returns sections, which adds structure but is somewhat verbose. It could be trimmed for conciseness without losing essential information.

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

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

The tool is simple and the description covers the basic operation and return values, but it lacks context on edge cases like duplicate tracks, ordering, or specific error scenarios. The presence of an output schema reduces the need to explain returns, but more behavioral context would improve completeness.

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

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

The input schema has 0% description coverage, but the description adds meaning by explaining that 'playlist_id' is the Spotify playlist ID and 'track_uris' is a list of Spotify track URIs. This compensates for the lack of schema descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Add tracks to an existing playlist', specifying the verb and resource. It distinguishes from siblings like 'create_playlist' which creates a new playlist rather than adding to an existing one.

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

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

The description implies usage when one wants to add tracks to a playlist but does not explicitly state when to use this tool vs alternatives, nor does it mention prerequisites like requiring the playlist to exist or authentication needs.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

No annotations are provided, so the description bears full responsibility for behavioral disclosure. It mentions the operation and return values but fails to disclose side effects such as required permissions (OAuth), rate limits, or that it modifies user data. This is a significant gap for a mutation tool.

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

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

The description is well-structured with separate sections for arguments and returns. It is clear and easy to read, though it could be slightly more concise without losing information.

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

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

Given the simplicity of the tool (one parameter object, clear purpose), the description is fairly complete. It covers parameters, returns, and basic functionality, but lacks usage guidelines and behavioral transparency, which are minor gaps.

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

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

The description fully documents all parameters (name, description, public, collaborative) with types, optionality, and defaults. This adds value beyond the raw schema, which only provides titles and types. The return values are also clearly explained.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Create a new Spotify playlist' with a specific verb and resource. It distinguishes itself from sibling tools like add_tracks_to_playlist, get_user_playlists, etc.

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

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 vs alternatives, nor does it mention prerequisites like authentication. The usage is implied by the verb 'create', but no exclusions or alternatives are provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

No annotations are provided, so the description bears full responsibility. It fully discloses the return structure including success, album dict, message, and error. It is a read operation with no side effects mentioned, which 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.

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

The description is well-structured with a one-line purpose followed by detailed arguments and return format. It is front-loaded and every part serves a purpose, though slightly verbose but not excessive.

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

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

Given the tool has 2 parameters and no output schema, the description provides a complete return structure specification. It covers all necessary information for an agent to use the tool correctly.

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

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

Schema description coverage is 0%, but the description compensates by providing clear parameter definitions: 'album_id (str): Spotify album ID to get information for' and 'market (str, optional): Market/country code for album availability (default: "US")'. This adds significant meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Get detailed information about an album', which is a specific verb+resource. It distinguishes itself from siblings like 'get_album_tracks' and 'get_artist' by focusing on album details.

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

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

The description does not provide explicit guidance on when to use this tool versus alternatives. Usage is implied through the tool name and purpose, but no exclusions or sibling comparisons are given.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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 describes the return format in detail, including success/error fields, but does not explicitly state that the tool is read-only or mention any authentication or rate limits. The lack of behavioral disclosure beyond the return schema limits transparency.

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

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

The description is well-structured with 'Arguments' and 'Returns' sections, and it includes clear parameter details. However, it is somewhat lengthy due to the detailed return type documentation. It is front-loaded with the purpose statement.

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

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

Given that an output schema exists (context signals indicate has output schema: true), the description includes a comprehensive return value specification covering success, album info, tracks, and error messages. All input parameters are explained, making it reasonably complete.

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

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

The input schema has 0% description coverage, but the description adds meaningful semantics for all four parameters: explains album_id as a Spotify album ID, market as a country code, and limit/offset with defaults and max value. This compensates well for the schema's lack of descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description starts with 'Get tracks from an album', which is a specific verb+resource combination. It clearly distinguishes from sibling tools like 'get_album' (which returns album metadata) and 'get_artist_albums' (which lists albums by an artist).

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

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

The description implies usage for retrieving tracks from a specific album, but does not explicitly state when to use this tool versus alternatives like 'get_album' or 'get_artist_albums'. No when-not conditions or context are provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

No annotations provided, so description must cover behavioral traits. It implies a safe read operation (no destructive actions) and outlines error handling, but does not explicitly state read-only nature or discuss rate limits or auth requirements.

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

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

Description is well-structured with Arguments and Returns sections. It is slightly verbose due to listing all return fields, but front-loaded with purpose. Could be more concise by referencing a structured output schema if available.

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

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

For a simple tool with 1 parameter and a documented return, the description covers purpose, input, output details, and error handling. It is complete and leaves no ambiguity.

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

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

With 0% schema coverage, the description adds value by explaining the 'artist_id' parameter as 'Spotify artist ID to get information for', which the schema does not provide. It also describes the return structure.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Get detailed information about an artist' with a specific verb and resource. It distinguishes from sibling tools like get_album or get_artist_albums by focusing on the artist itself.

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

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 such as search_artists or get_artist_top_tracks. The description only states what it does, not when it is appropriate.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

No annotations provided, so the description fully bears the burden. It explains input constraints (artist_id required, optional include_groups with allowed values, limit with max=50), return structure with fields, and error handling ('error' field). No contradictions or omissions.

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

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

The description is long but well-organized with sections 'Arguments' and 'Returns'. While every sentence adds value, some redundancy (e.g., repeating 'album' types) could be trimmed. Still reasonably concise for the detail provided.

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

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

The description is fully self-contained: it explains input, output (including nested structures like artist and album objects), optional parameters, defaults, and error handling. Given 3 params and a complex return type, it addresses all necessary information. The output schema is described in detail, so no gaps remain.

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

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

Schema coverage is 0% (no descriptions on schema props), but the description thoroughly explains each parameter: artist_id (Spotify ID), include_groups (allowed values and default), and limit (default 20, max 50). This adds critical meaning beyond schema names and types.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with 'Get albums for an artist', a specific verb-resource pair. It distinctly differs from sibling tools like get_artist (artist info), get_artist_top_tracks (top tracks), and search_artists (search). The return type and parameters reinforce the clear purpose.

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

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

The description implies usage: provide an artist_id and optionally filter by album type or limit results. However, it does not explicitly state when to use this over alternatives like get_artist_top_tracks (for top songs) or get_new_releases (for new albums). A brief note on when not to use it would improve clarity.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

No annotations are provided, so the description must carry the full burden. It details the return structure and parameters but does not mention rate limits, auth requirements, or how 'top tracks' are determined. It is moderately transparent.

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

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

The description is well-structured with clear sections for Arguments and Returns. It is front-loaded with the key phrase. Slightly verbose due to the full return type listing, but every sentence adds value.

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

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

For a simple 2-parameter tool, the description covers purpose, parameters, return values, and error messages. Does not mention usage guidelines, but otherwise complete. An output schema exists, but the description's return documentation is still useful.

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

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

Schema description coverage is 0%, leaving the description to explain both parameters. It does so thoroughly: artist_id is required, market is optional with default 'US', and the types are clear. This fully compensates for the schema's lack of descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Get top tracks for an artist', using a specific verb and resource. It distinguishes from siblings like get_artist and get_album_tracks, which cover different data.

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

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

The description provides no guidance on when to use this tool versus alternatives such as get_user_top_tracks or search_artists. It lacks any explicit when-to-use or when-not-to-use information.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

No annotations provided, but the description details the return structure and parameter defaults/limits, implying a read-only operation. It does not disclose potential rate limits or side effects, but the return schema adds transparency.

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

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

The description is well-structured with clear sections for Arguments, Returns, and nested lists. It is slightly long but all parts are informative and earned their place.

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

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

Given the output schema embedded in the description, all return values are documented. Parameters are fully explained. Sibling tools provide differentiation context. The tool is self-contained and complete for its purpose.

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

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

The input schema has 0% description coverage, so the description adds full meaning: explaining country as a country code, limit as max number (20, max 50), offset as index. This significantly compensates for the schema's lack of descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a clear verb+resource pattern ('Get new album releases') which distinguishes it from sibling tools like get_album or get_artist. It immediately conveys the tool's function.

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

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

While no explicit when-to-use vs alternatives is given, the context of 'new releases' is clear and the sibling tools list helps the agent differentiate. A brief exclusion statement could improve, but it's not necessary.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

No annotations are provided, so the description must carry the burden. It comprehensively describes the return structure including success, playlist list with fields, total count, message, and error. However, it lacks disclosure of authentication needs or rate limits, which would improve transparency.

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

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

The description is concise and well-organized with sections for 'Arguments' and 'Returns'. Every sentence provides value, with no redundancy or fluff.

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

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

Given that the tool has no parameters and a detailed output schema expressed in the description, the description is fully complete. It covers all necessary information for an AI agent to select and invoke the tool correctly.

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

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

There are no parameters, and the input schema is empty. The description explicitly states 'Arguments: None (no parameters required)', which adds clarity beyond the schema. Schema coverage is 100% (trivially).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's function: 'Get current user's playlists'. It specifies the resource (playlists) and the subject (current user), distinguishing it from sibling tools like 'create_playlist' or 'add_tracks_to_playlist'.

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

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

The description explicitly notes that there are no parameters required, making usage clear. It does not provide when-not-to-use advice or mention alternatives, but for a zero-parameter reading tool, this is sufficient context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

No annotations provided, so description carries full burden. It discloses return format and parameter effects but does not mention authentication requirements or that it uses the current user's listening history. This is a significant gap for a user-specific endpoint.

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

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

Description is well-structured with clear sections for arguments and returns. Information is front-loaded and concise, with no extraneous content.

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

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

The description covers all three optional parameters and details the return structure comprehensively. Given the low complexity and presence of an output schema, this description is fully adequate for using the tool correctly.

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

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

Schema coverage is 0%, but description comprehensively explains all three parameters: time_range with its three enum-like values, limit with default and max, offset with default. This adds necessary meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states 'Get user's top artists from Spotify' with specific verb and resource. It is easily distinguished from sibling tools like get_user_top_tracks and search_artists.

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

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

Description explains what the tool does but does not provide explicit guidance on when to use it vs alternatives. It relies on the context of sibling tool names, but no direct comparison or when-not-to-use instructions are given.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

The description clearly details the return structure including success/error handling, but does not mention authentication requirements or rate limits. However, since no annotations are provided, the description carries full burden and is largely transparent.

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

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

The description is well-structured with clear sections for arguments and returns, but it is somewhat lengthy due to including the full return schema. However, this is justified as there is no output schema in the tool definition.

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

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 provides a comprehensive picture including return structure. Missing authentication context, but overall completeness is high for a data retrieval tool.

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

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

The input schema has 0% description coverage, but the tool description fully compensates by defining each parameter, defaults, options for time_range, and constraints on limit/offset. This adds significant meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Get user's top tracks from Spotify' with a specific verb and resource. It distinguishes from sibling tools like 'get_user_top_artists' (different resource) and 'get_artist_top_tracks' (different scope).

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

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

The description does not explicitly guide when to use this tool versus alternatives like 'get_artist_top_tracks' or 'get_user_top_artists'. Usage is implied by the purpose, but no exclusions or context for when-not-to-use are given.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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

Description details return structure and error handling but does not disclose rate limits, authentication needs, or any side effects. With no annotations, additional behavioral context is missing.

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

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

The description is well-structured with clear sections for arguments and returns. It is moderately concise, though some detail could be trimmed without losing clarity.

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

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

Given the tool's simplicity (single parameter with output schema present), the description covers input, output, and error handling adequately. Lacks discussion of advanced features like pagination.

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

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

The description provides parameter names, types, default values, and constraints (e.g., limit max 50) beyond the schema, and fully explains the output schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Search for artists on Spotify' with a specific verb and resource. It distinguishes from sibling tools like 'get_artist' which retrieves a specific artist by ID.

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

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. While the purpose is clear, it lacks context for when to prefer search over direct lookups.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.