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Glama

Greece Payments (Stripe — cards / Apple Pay)

Server Details

Greece payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

Status
Unhealthy
Last Tested
Transport
Streamable HTTP
URL

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Tool DescriptionsA

Average 4.2/5 across 6 of 6 tools scored.

Server CoherenceA
Disambiguation5/5

Each tool targets a specific action (cancel, create, query, refund) on distinct resources (payment link vs subscription link), with no overlap in purpose.

Naming Consistency5/5

All tools follow a consistent verb_noun pattern in snake_case (e.g., create_payment_link, query_subscription), making them predictable and easy to distinguish.

Tool Count5/5

Six tools cover the core payment and subscription lifecycle (create, query, cancel, refund) without being excessive or insufficient for the stated scope.

Completeness5/5

The surface provides complete CRUD-like coverage for payments and subscriptions, including optional VAT invoice and tax ID collection, with no obvious missing operations.

Available Tools

6 tools
cancel_subscriptionA
DestructiveIdempotent
Inspect

Cancel a subscription. By default the subscription stays active until the end of the current paid period (fair to the buyer); pass immediate=true to cancel right now.

ParametersJSON Schema
NameRequiredDescriptionDefault
idYessession_id (cs_...) or subscription_id (sub_...)
immediateNotrue = cancel immediately. Default false = cancel at period end.
Behavior5/5

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

Annotations already indicate destructive behavior. The description adds important context: the default cancellation keeps the subscription active until period end, and the immediate flag overrides this. This fully discloses the behavioral outcomes.

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 to the point. The first sentence states the purpose, and the second explains the key option. 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?

For a simple cancellation tool with no output schema, the description fully covers the behavior, parameters, and trade-offs. 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.

Parameters3/5

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

Schema coverage is 100%, so the schema already documents both parameters. The description repeats the same information for 'id' and 'immediate' but does not add new semantic meaning beyond what is in the schema. 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 verb 'cancel' and the resource 'subscription'. It distinguishes itself from sibling tools like create_payment_link or refund_payment by focusing on cancellation. It also specifies the default behavior and the immediate option.

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 explains when to use immediate vs default cancellation, which is a key usage scenario. However, it does not explicitly state when not to use this tool compared to alternatives, but the sibling tools cover different actions, so it's implicitly clear.

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

query_payment_statusA
Read-only
Inspect

Check whether a Greece payment (created by create_payment_link) has been paid. Queries Stripe directly — pull-based, no webhook needed. paid=true when status is PAID. If the payment was created with issue_invoice=true, the result also includes invoice_url and invoice_pdf once paid.

ParametersJSON Schema
NameRequiredDescriptionDefault
session_idYesThe session_id returned by create_payment_link
Behavior5/5

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

Beyond readOnlyHint, the description details the behavior: queries Stripe directly, condition for paid=true, and additional output when issue_invoice=true. No contradiction 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, no fluff. Front-loaded with purpose and context, then additional details. 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?

With no output schema, the description explains the main return fields (paid boolean, optional invoice_url/invoice_pdf). Could mention what happens when not paid or error cases, but sufficient for this simple tool.

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

Parameters3/5

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

Schema coverage is 100% and description for session_id matches schema. The description adds context ('returned by create_payment_link') but does not add new semantic info beyond what schema provides.

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 action ('check whether...has been paid') and resource ('Greece payment created by create_payment_link'). It distinguishes from sibling tools by specifying the exact input source and context.

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 (after creating a payment link) and provides context ('pull-based, no webhook needed'), but does not explicitly compare with alternatives or state 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.

query_subscriptionA
Read-only
Inspect

Check a subscription created by create_subscription_link. Accepts the session_id (cs_...) or subscription_id (sub_...). active=true when the subscription is ACTIVE or TRIALING; NOT_SUBSCRIBED_YET means the buyer has not completed checkout.

ParametersJSON Schema
NameRequiredDescriptionDefault
idYessession_id (cs_...) returned by create_subscription_link, or subscription_id (sub_...)
Behavior4/5

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

Annotations already declare `readOnlyHint=true`, so the agent knows it's read-only. The description adds value by explaining the output statuses (`active=true` for ACTIVE/TRIALING, `NOT_SUBSCRIBED_YET` for incomplete checkout), providing behavioral context 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 concise sentences with no fluff. It front-loads the purpose and clearly explains the parameter and output interpretation.

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 lack of output schema, the description provides essential output context but omits other possible statuses or fields. It adequately covers the main use case but could be more comprehensive.

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 schema description for the `id` parameter already includes the ID formats. The tool description repeats this information and adds output interpretation, which is not parameter-specific. Thus, it does not significantly enhance parameter meaning 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 checks a subscription, specifies the accepted ID formats (session_id `cs_...` or subscription_id `sub_...`), and explains the meaning of the output fields. It distinguishes from siblings like `create_subscription_link` and `cancel_subscription`.

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 mentions the tool is for checking subscriptions created by `create_subscription_link`, implying when to use it. However, it does not explicitly state when not to use it or provide alternatives, though sibling tools are distinct enough.

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

refund_paymentA
Destructive
Inspect

Refund a paid payment (created by create_payment_link). Full refund by default; pass amount for a partial refund where supported. Refunds respect the same owner policy guardrails (x-agentpay-max-amount) as payments — the amount is checked before anything is sent to the gateway.

ParametersJSON Schema
NameRequiredDescriptionDefault
amountNoOptional partial-refund amount in the local currency major unit. Omit for a full refund.
session_idYesThe session_id of the paid payment (same id used by query_payment_status)
Behavior4/5

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

Adds detail beyond annotations: full refund default, partial refund option, and guardrails (x-agentpay-max-amount) with pre-gateway checks. Annotations already indicate destructive and non-idempotent behavior.

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 covering scope, default behavior, and important guardrail policy without superfluous 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?

Adequately covers refund operation, defaults, and partial refund. Lacks mention of return value or idempotency implications, but given simplicity, it's nearly 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?

Description clarifies that omitting amount triggers full refund, supplementing schema descriptions. With 100% schema coverage, this adds meaningful usage context.

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 refunds a paid payment created by create_payment_link, with full or partial refund options. Distinct from sibling tools dealing with subscriptions and queries.

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?

Specifies the source of the payment (create_payment_link) but does not explicitly exclude other payment methods or provide guidance on when to use alternatives like cancel_subscription.

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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