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Glama

token-of-esteem

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Server Details

A press your agent can commission: a funny, personalized printed booklet, mailed as a gift.

Status
Healthy
Last Tested
Transport
Streamable HTTP
URL

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Tool DescriptionsA

Average 4.1/5 across 12 of 12 tools scored. Lowest: 3.3/5.

Server CoherenceA
Disambiguation5/5

Each tool has a clearly distinct purpose: gift lifecycle (create, get, cancel, list), account info, pricing, resource listings, and brief validation. No overlap or ambiguity.

Naming Consistency5/5

All tools follow a consistent verb_noun pattern in snake_case (e.g., create_gift, list_voices, validate_brief), making it predictable for agents.

Tool Count5/5

12 tools is well-scoped for a gift ordering service, covering creation, retrieval, cancellation, pricing, account management, and resource listings without bloat.

Completeness5/5

The tool surface covers the full gift lifecycle and supporting operations (pricing, validation, account info, payment setup), with no obvious gaps for the intended domain.

Available Tools

12 tools
cancel_giftAInspect

Cancel an in-flight gift and receive the refund amount. Free. Only possible before the booklet goes to print; once printing has started it fails with cancel_too_late. Pass the gift_id from create_gift and an optional reason for your records.

ParametersJSON Schema
NameRequiredDescriptionDefault
reasonNoOptional human-readable reason for the cancellation, recorded on the order.
gift_idYesThe gift_id returned by create_gift, identifying the order to cancel.
Behavior4/5

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

No annotations provided, so description covers key traits: cancellation is free, has a timing constraint with specific error, and reason is optional. Could mention irreversibility or refund details, but adequate.

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 concise sentences with no wasted words. Action verb first, prerequisites and constraints clearly stated.

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 explains the cancellation process and parameters. Lacks explicit mention of return value or side effects, but sufficient for a simple cancellation tool given sibling context.

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

Parameters5/5

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

Schema coverage is 100% with descriptions for both parameters. Description adds value by specifying the provenance of gift_id and the purpose of reason, exceeding schema information.

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 cancels an in-flight gift and obtains a refund. It uses specific verbs ('Cancel') and resource ('gift'), distinguishing it from siblings like create_gift and get_gift.

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 states when to use (before printing starts) and when it fails (cancel_too_late). Also specifies source of gift_id (from create_gift) and that reason is optional.

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

create_giftAInspect

Place the order: write, print, and mail the booklet. CHARGES the buyer. The recipient is whoever you name in recipient, which may be your own user. Idempotent on idempotency_key for 24 hours. Pass shared_payment_token to pay tokenlessly, or omit it to charge the account's saved card.

ParametersJSON Schema
NameRequiredDescriptionDefault
briefYesStructured brief about the recipient: what to celebrate, what to tease gently, and the inside jokes worth knowing.
formatNoBooklet format. Only manual_v1, a 16-page booklet, is supported today.
recipientYesWho receives the booklet and where to mail it. Pass an inline recipient with a US ship_to, or a saved recipient_id.
agent_noteNoOptional note from the agent, stored with the order for support. Never printed in the booklet.
idempotency_keyYesCaller-chosen key that makes this order idempotent for 24 hours. Reuse the same key to retry safely without charging twice.
preview_before_printNoIf true, the gift pauses for buyer review before printing instead of printing automatically.
shared_payment_tokenNoSingle-use Stripe Shared Payment Token (spt_...) to pay without a stored card. Omit to charge the account default.
Behavior4/5

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

With no annotations, the description bears full burden. It discloses charging behavior, idempotency with a 24-hour window, and payment options (shared_payment_token vs stored card). However, it does not mention authentication needs, rate limits, or error states.

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-load the core action and charging, then cover idempotency and payment. 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.

Completeness3/5

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

For a complex tool (7 params, nested objects) with no output schema, the description lacks return value details and prerequisite info (e.g., need validates_brief first?). It mentions payment but not error conditions. Adequate but not 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?

Schema coverage is 100% (baseline 3). The description adds value beyond schema by clarifying the brief's purpose, recipient options (inline vs saved), and payment token pattern. It also notes that agent_note is never printed.

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 ('Place the order') and the resource ('booklet'), and distinguishes from siblings like cancel_gift or get_gift by specifying the complete action of writing, printing, mailing, and charging.

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 implies usage when creating a gift order, but does not explicitly state when to use or not use this tool, nor does it mention alternatives or prerequisites among sibling tools.

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

get_accountAInspect

Return this account's spending caps and month-to-date spend. Free. Use it to confirm budget before create_gift.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Behavior3/5

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

Describes output and mentions it's free, but doesn't disclose side effects, authentication, rate limits, or whether it's read-only. With no annotations, the description carries the full burden and could be more transparent.

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 wasted words. Purpose and usage guidance are front-loaded. Excellent conciseness.

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 parameters and no output schema, the description provides key info: what it returns and a usage hint. Lacks detail on output structure, but sufficient for a simple 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?

No parameters. Schema coverage is 100%, so the description doesn't need to add param info. Implicitly indicates a simple call.

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?

Clearly states it returns spending caps and month-to-date spend. Mentions connection to create_gift, but doesn't explicitly differentiate from siblings. Still specific enough.

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 recommends using it before create_gift for budget confirmation. No exclusions or alternatives, but the clear use case provides good guidance.

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

get_giftAInspect

Fetch a gift by gift_id and return its full resource: status, voice, format, pricing, the recipient, and fulfillment (Lulu job id, carrier, tracking URL, estimated delivery). Free and read-only. Use it to poll progress after create_gift: status advances through the pipeline to shipped then delivered, or ends at held, refused, cancelled, or failed.

ParametersJSON Schema
NameRequiredDescriptionDefault
gift_idYesThe gift_id returned by create_gift, identifying the order to fetch.
Behavior4/5

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

No annotations provided, so description must bear burden. It discloses read-only and free nature, and describes status progression. 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 efficient sentences, front-loaded with purpose. Every sentence provides value; no wasted words.

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?

Tool has 1 param and no output schema; description covers response fields and status lifecycle, making it self-contained for a simple fetch 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?

Schema coverage is 100% and schema description already states 'gift_id returned by create_gift'. Description adds no new parameter-level information 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 uses specific verb 'Fetch' and resource 'gift by gift_id', and lists response fields. It clearly differentiates from sibling tools like create_gift and cancel_gift.

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 states use case: 'Use it to poll progress after create_gift' and status lifecycle. Does not mention exclusions or alternatives, but context is clear.

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

get_pricingAInspect

Compute the exact total for a hypothetical gift (format, voice, image model, ship_to) before you commit. Free, no order is created. Call before create_gift so you know the charge.

ParametersJSON Schema
NameRequiredDescriptionDefault
voiceNoOptional comedic voice. It does not change the price; accepted for parity with create_gift.
formatNoBooklet format to price. Only manual_v1 is supported today.
ship_toYesDestination address. US is supported; the total and tax depend on the destination.
image_modelNoOptional cover image model id. Some models add a small per-call cost.
Behavior3/5

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

With no annotations provided, the description carries full responsibility for behavioral disclosure. It states the tool is 'Free' and 'no order is created,' indicating it is non-destructive. However, it lacks details on authentication needs, rate limits, or what happens with invalid input, which would be beneficial.

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 word contributes meaning. It is highly concise with no filler.

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 4 parameters (including a nested object) and no output schema, the description is somewhat adequate. It explains the tool's purpose and usage, but does not specify the return format or error behavior, leaving the agent to infer what 'exact total' means. More detail on response structure 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?

The schema has 100% coverage, but the description adds valuable context: voice is 'accepted for parity with create_gift' and does not affect price; format is limited to 'manual_v1'; ship_to destination affects total and tax; image_model is optional and may add cost. This goes beyond the schema definitions.

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: 'Compute the exact total for a hypothetical gift... before you commit.' It specifies the resource (gift pricing) and the action (compute total), and distinguishes it from sibling tool create_gift by noting it doesn't create an order.

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 before create_gift so you know the charge,' providing clear usage context. It also notes the tool is 'Free, no order is created,' implying it's safe to use. However, it doesn't 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.

list_formatsAInspect

List supported booklet formats. There is one today: manual_v1, a 16-page booklet. Free, no side effects.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Behavior4/5

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

With no annotations, the description carries the full burden. It discloses that the tool is free, has no side effects, and lists the current format, providing essential behavioral context beyond the schema.

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 the core purpose, no redundant words. 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?

Given the tool's simplicity (no parameters, no output schema, low complexity), the description fully covers purpose, behavior, and example output, leaving no significant gaps.

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 no parameters, so the baseline is 4. The description adds context that the output is a list of booklet formats with one known example, which compensates for the lack of 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 verb 'list' and the resource 'supported booklet formats', with the specific example 'manual_v1'. This distinguishes it from sibling list tools that deal with different resources.

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 says 'Free, no side effects', implying safe usage anytime. Though it does not provide explicit when-not-to-use or alternatives, the simplicity of the tool makes this adequate.

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

list_giftsBInspect

Paginated list of gifts on the account, with optional status and date filters. Free.

ParametersJSON Schema
NameRequiredDescriptionDefault
limitNoMaximum number of gifts to return, 1 to 100. Defaults to 50.
sinceNoOnly return gifts created at or after this ISO 8601 timestamp.
cursorNoOpaque pagination cursor from a previous list_gifts response.
statusNoOnly return gifts in this status, for example shipped, delivered, or cancelled.
Behavior2/5

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

With no annotations, the description must cover behavioral traits. It states 'Paginated' but doesn't explain pagination mechanism (cursor-based) or return structure. 'Free' is ambiguous. No mention of sorting, rate limits, or authentication.

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 very short (one sentence plus 'Free.'), wasting no words. However, it could include more structure without sacrificing conciseness, such as a note about cursor-based pagination.

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?

No output schema exists, so the description should hint at return format. It does not mention that the response contains a list of gift objects and a cursor for pagination. Also missing are default sorting order and how to use the cursor parameter.

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 baseline 3. The description adds 'optional status and date filters' which aligns with schema but provides no new detail beyond the schema's parameter 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 lists gifts on the account with optional filters, using the verb 'list' and resource 'gifts'. It distinguishes from siblings like get_gift (single item) and create_gift.

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 implies usage for listing gifts with filters but provides no explicit guidance on when to use this tool vs alternatives or when not to use it. 'Free.' hints at cost but no exclusion criteria.

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

list_image_modelsAInspect

List supported cover image models and their per-call cost. Free, no side effects.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Behavior4/5

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

With no annotations, the description discloses key behavioral traits: it's free and has no side effects. However, it does not describe the output format or any additional behavior beyond listing.

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 wasted words. It efficiently conveys the tool's purpose and key attributes.

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 simple list tool with no parameters and no output schema, the description is fairly complete. It states what is listed and mentions cost and safety, but could be improved by hinting at output structure (e.g., model names and costs).

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, and the input schema coverage is 100%. The description adds value by explaining what will be listed (supported cover image models and per-call cost), which would not be inferred from the empty schema alone.

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 supported cover image models and their per-call cost, with a specific verb and resource. It distinguishes from sibling tools like list_gifts or list_voices by focusing on image models.

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 when to use (when needing info on image models and costs) and mentions it's free with no side effects, but does not explicitly exclude alternatives or provide comparisons to sibling tools.

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

list_recipientsAInspect

Return the account's saved recipients (address book). Free. Reuse a recipient_id in create_gift instead of re-entering an address.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Behavior3/5

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

Describes the tool as 'Free' and action of returning recipients, but lacks details on side effects, rate limits, or authentication. Since annotations are absent, description partially covers behavioral traits.

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 short sentences, front-loaded with purpose, and efficient use of 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?

For a simple parameterless tool with no output schema, the description provides sufficient context: what it does, that it's free, and how to use the output. Could mention return fields, but recipient_id is implied.

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, so schema coverage is 100%. Description doesn't need to add parameter info, and baseline is 4. No additional value 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?

Clearly states the tool returns saved recipients (address book). Differentiates from sibling tools like create_gift by indicating this is a data retrieval tool.

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?

Gives explicit guidance to reuse recipient_id in create_gift, implying the tool should be used before creating gifts. No need for alternatives since it's a simple list.

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

list_voicesAInspect

List the three comedic voices (Hype Man, Best Friend Roast, Conspiracy Theorist) and the cover image model each prefers. Free, no side effects. Call this first to pick a voice.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Behavior4/5

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

With no annotations, the description carries full burden; it explicitly states 'free, no side effects,' which covers safety and cost, though it lacks details on authentication or rate limits.

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 concise sentences with no wasted words; front-loads the main purpose, then covers safety and usage guidance.

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 adequately explains what is returned (list of voices with cover image models) and when to use it, though output format is not detailed.

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 adds value by naming the voices and cover image model association 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 the tool lists the three specific comedic voices and their preferred cover image models, distinguishing it from sibling tools like list_formats and list_image_models.

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 says 'Call this first to pick a voice,' providing clear usage context, 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.

validate_briefAInspect

Run the content policy on a brief without charging or ordering. Free. Call before create_gift so a refusal surfaces early. A booklet that would wound the recipient is refused here, not at charge time.

ParametersJSON Schema
NameRequiredDescriptionDefault
briefYesThe same brief you would pass to create_gift. It is checked against the content policy, free, with no order created.
Behavior4/5

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

With no annotations provided, the description carries the full burden. It discloses key behaviors: the tool runs without charging or ordering, is free, and surfaces policy refusals early. It does not describe the return value or format, but the core behavior is well communicated.

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 with zero wasted words: first sentence states action, second gives usage guidance, third illustrates benefit. It is front-loaded and every sentence earns its place.

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 (validation of a nested brief object) and lack of output schema, the description explains the tool's purpose, cost, and timing. It does not elaborate on what exactly is validated under 'content policy' or the response format, but these gaps are minor for a simple validation 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?

Schema description coverage is 100% and the brief parameter's description already explains it is the same brief passed to create_gift. The tool description adds no new parameter-specific meaning beyond what the schema provides, so 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 uses a specific verb ('run the content policy') and identifies the resource ('brief'). It clearly distinguishes from the sibling create_gift by stating it is free and does not charge or order, making its purpose unmistakable.

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 'Call before create_gift so a refusal surfaces early,' providing clear when-to-use guidance. It does not explicitly mention when not to use it or alternatives, but the context strongly implies the tool is a prerequisite check for create_gift.

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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