Decide Policy Notaries

Check cancellation penalty

cancellation_penalty

Read-onlyIdempotent

Check US subscription cancellation terms without executing cancellation. Typeform requires Basic, direct/self-serve platform subscription scope and returns CANCEL_AT_PERIOD_END, not an immediate cancellation or refund. Missing scope or current evidence returns UNKNOWN.

Input Schema

TableJSON Schema

Name	Required	Description
`plan`	Yes	Use 'basic' for Typeform; 'individual' for other supported vendors.
`region`	Yes	Region code. Currently only 'US' is supported.
`vendor`	Yes	Vendor identifier (lowercase, underscore-separated).
`product`	No	Required for Typeform. Excludes payments collected from form respondents.
`contract_type`	No	Required for Typeform. Custom and enterprise contracts are not covered.
`billing_cadence`	No	Required when the vendor applies different cancellation terms to monthly and annual plans.
`purchase_channel`	No	Required for Typeform. Third-party purchases are not covered.
`requested_action`	No	Required for Typeform. Checks ending renewal at the paid term end; does not execute it.

Output Schema

TableJSON Schema

Name	Required	Description	Default
`code`	Yes
`policy`	No
`refund`	No
`vendor`	No
`message`	Yes
`penalty`	No
`verdict`	Yes
`notice_days`	No
`source_hash`	No
`evaluated_at`	No
`rules_version`	No
`policy_version`	No
`automation_safe`	No
`billing_cadence`	No
`policy_evidence`	No
`rulebook_result`	No
`required_context`	No
`policy_source_url`	No
`execution_performed`	No
`policy_last_checked`	No
`policy_source_notes`	No
`cancellation_confirmed`	No
`cancellation_effective`	No
`policy_last_verified_utc`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed12 schema fields changedSep 6, 2026

addedInput schema / properties / contract_type

Added value: +{
+  "description": "Required for Typeform. Custom and enterprise contracts are not covered.",
+  "enum": [
+    "self_serve"
+  ],
+  "type": "string"
+}

changedInput schema / properties / plan / description

Previous value: -"Plan type. Currently only 'individual' plans are supported."New value: +"Use 'basic' for Typeform; 'individual' for other supported vendors."

changedInput schema / properties / plan / enum

Previous value: -[
-  "individual"
-]New value: +[
+  "individual",
+  "basic"
+]

addedInput schema / properties / product

Added value: +{
+  "description": "Required for Typeform. Excludes payments collected from form respondents.",
+  "enum": [
+    "platform_subscription"
+  ],
+  "type": "string"
+}

addedInput schema / properties / purchase_channel

Added value: +{
+  "description": "Required for Typeform. Third-party purchases are not covered.",
+  "enum": [
+    "direct"
+  ],
+  "type": "string"
+}

addedInput schema / properties / requested_action

Added value: +{
+  "description": "Required for Typeform. Checks ending renewal at the paid term end; does not execute it.",
+  "enum": [
+    "cancel_at_period_end"
+  ],
+  "type": "string"
+}

changedInput schema / properties / vendor / enum

Previous value: -[
-  "1password",
-  "adobe",
-  "amazon_music_unlimited",
-  "amazon_prime",
-  "amc_plus",
-  "apple_app_store",
-  "apple_arcade",
-  "apple_music",
-  "apple_tv_plus",
-  "audible",
-  "bitwarden",
-  "britbox",
-  "bumble",
-  "calm",
-  "canva",
-  "chatgpt_plus",
-  "claude_pro",
-  "coursera_plus",
-  "crunchyroll",
-  "dashlane",
-  "deezer",
-  "discord_nitro",
-  "discovery_plus",
-  "disney_plus",
-  "doordash_dashpass",
-  "dropbox_us",
-  "duolingo",
-  "ea_play",
-  "espn_plus",
-  "evernote",
-  "expressvpn",
-  "figma",
-  "fitbit_premium",
-  "fubo_tv",
-  "github_pro",
-  "google_one",
-  "google_play",
-  "grammarly",
-  "headspace",
-  "hellofresh",
-  "hinge",
-  "hulu",
-  "icloud_plus",
-  "instacart_plus",
-  "keeper",
-  "kindle_unlimited",
-  "lastpass",
-  "linkedin_premium",
-  "masterclass",
-  "max",
-  "microsoft_365",
-  "midjourney",
-  "mlb_tv",
-  "myfitnesspal_premium",
-  "netflix",
-  "new_york_times",
-  "nfl_plus",
-  "nintendo_switch_online",
-  "noom",
-  "nordvpn",
-  "notion",
-  "paramount_plus",
-  "patreon",
-  "peacock",
-  "peloton",
-  "playstation_plus",
-  "proton",
-  "reddit_premium",
-  "ring_protect",
-  "roblox_premium",
-  "scribd",
-  "shutterstock",
-  "siriusxm",
-  "slack",
-  "sling_tv",
-  "snapchat_plus",
-  "soundcloud_go",
-  "spotify",
-  "squarespace",
-  "starz",
-  "strava",
-  "substack",
-  "surfshark",
-  "telegram_premium",
-  "tidal",
-  "tinder",
-  "todoist",
-  "twitch",
-  "uber_one",
-  "ubisoft_plus",
-  "wall_street_journal",
-  "walmart_plus",
-  "washington_post",
-  "weightwatchers",
-  "wix",
-  "x_premium",
-  "xbox_game_pass",
-  "youtube_premium",
-  "youtube_tv",
-  "zoom"
-]New value: +[
+  "1password",
+  "adobe",
+  "amazon_music_unlimited",
+  "amazon_prime",
+  "amc_plus",
+  "apple_app_store",
+  "apple_arcade",
+  "apple_music",
+  "apple_tv_plus",
+  "audible",
+  "bitwarden",
+  "britbox",
+  "bumble",
+  "calm",
+  "canva",
+  "chatgpt_plus",
+  "claude_pro",
+  "coursera_plus",
+  "crunchyroll",
+  "dashlane",
+  "deezer",
+  "discord_nitro",
+  "discovery_plus",
+  "disney_plus",
+  "doordash_dashpass",
+  "dropbox_us",
+  "duolingo",
+  "ea_play",
+  "espn_plus",
+  "evernote",
+  "expressvpn",
+  "figma",
+  "fitbit_premium",
+  "fubo_tv",
+  "github_pro",
+  "google_one",
+  "google_play",
+  "grammarly",
+  "headspace",
+  "hellofresh",
+  "hinge",
+  "hulu",
+  "icloud_plus",
+  "instacart_plus",
+  "keeper",
+  "kindle_unlimited",
+  "lastpass",
+  "linkedin_premium",
+  "masterclass",
+  "max",
+  "microsoft_365",
+  "midjourney",
+  "mlb_tv",
+  "myfitnesspal_premium",
+  "netflix",
+  "new_york_times",
+  "nfl_plus",
+  "nintendo_switch_online",
+  "noom",
+  "nordvpn",
+  "notion",
+  "paramount_plus",
+  "patreon",
+  "peacock",
+  "peloton",
+  "playstation_plus",
+  "proton",
+  "reddit_premium",
+  "ring_protect",
+  "roblox_premium",
+  "scribd",
+  "shutterstock",
+  "siriusxm",
+  "slack",
+  "sling_tv",
+  "snapchat_plus",
+  "soundcloud_go",
+  "spotify",
+  "squarespace",
+  "starz",
+  "strava",
+  "substack",
+  "surfshark",
+  "telegram_premium",
+  "tidal",
+  "tinder",
+  "todoist",
+  "twitch",
+  "typeform",
+  "uber_one",
+  "ubisoft_plus",
+  "wall_street_journal",
+  "walmart_plus",
+  "washington_post",
+  "weightwatchers",
+  "wix",
+  "x_premium",
+  "xbox_game_pass",
+  "youtube_premium",
+  "youtube_tv",
+  "zoom"
+]

addedOutput schema / properties / cancellation_confirmed

Added value: +{
+  "const": false,
+  "type": "boolean"
+}

addedOutput schema / properties / cancellation_effective

Added value: +{
+  "enum": [
+    "paid_term_end"
+  ],
+  "type": "string"
+}

addedOutput schema / properties / execution_performed

Added value: +{
+  "const": false,
+  "type": "boolean"
+}

addedOutput schema / properties / refund

Added value: +{
+  "enum": [
+    "not_evaluated"
+  ],
+  "type": "string"
+}

changedOutput schema / properties / verdict / enum

Previous value: -[
-  "FREE_CANCEL",
-  "PENALTY",
-  "LOCKED",
-  "UNKNOWN"
-]New value: +[
+  "FREE_CANCEL",
+  "CANCEL_AT_PERIOD_END",
+  "PENALTY",
+  "LOCKED",
+  "UNKNOWN"
+]

Changed3 schema fields changedSep 6, 2026

addedOutput schema / properties / automation_safe
```
Added value: +{
+  "type": "boolean"
+}
```

changedOutput schema / properties / billing_cadence / type

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

addedOutput schema / properties / policy_evidence

Added value: +{
+  "additionalProperties": true,
+  "properties": {
+    "checked_at": {
+      "type": "string"
+    },
+    "current": {
+      "type": "boolean"
+    },
+    "evaluated_at": {
+      "type": "string"
+    },
+    "policy": {
+      "enum": [
+        "refund",
+        "cancel",
+        "return",
+        "trial"
+      ],
+      "type": "string"
+    },
+    "policy_version": {
+      "type": "string"
+    },
+    "reason": {
+      "type": "string"
+    },
+    "schema_version": {
+      "enum": [
+        "policy_evidence_v1"
+      ],
+      "type": "string"
+    },
+    "snapshot_generated_at": {
+      "type": "string"
+    },
+    "snapshot_hash": {
+      "type": "string"
+    },
+    "source_hash": {
+      "type": "string"
+    },
+    "source_url": {
+      "type": "string"
+    },
+    "status": {
+      "enum": [
+        "current",
+        "expired",
+        "unavailable",
+        "review_required"
+      ],
+      "type": "string"
+    },
+    "valid_until": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "vendor": {
+      "type": "string"
+    },
+    "verified_at": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "schema_version",
+    "policy",
+    "vendor",
+    "status",
+    "reason",
+    "current",
+    "evaluated_at"
+  ],
+  "type": "object"
+}

First observedJul 16, 2026

TDQS

A4.2/5.0

Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint false. The description adds behavioral details beyond these: it returns CANCEL_AT_PERIOD_END rather than an immediate cancellation or refund, and returns UNKNOWN when scope or evidence is missing. This enriches the agent's understanding of outcomes and edge cases beyond the structured hints.

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-loads the primary purpose, and then adds essential details about Typeform-specific requirements and possible return values. Every sentence adds value without redundancy, achieving high conciseness and clear structure.

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 moderately complex with 8 parameters and an output schema. The description covers key behaviors (non-execution, return values, UNKNOWN case) and clarifies Typeform's requirements. The output schema documents return details, so the description need not repeat them. It does not explicitly address non-Typeform vendors' behavior, but the generic 'US subscription cancellation terms' implies coverage. Overall, sufficient for an agent to call correctly.

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 all parameters have descriptions in the schema. The description adds context about Typeform requiring Basic, direct/self-serve platform subscription scope, which reinforces the schema's 'Required for Typeform' notes but does not add new semantic meaning. It does not clarify parameter formats beyond what the schema provides, so a baseline 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 clearly states the tool's function: 'Check US subscription cancellation terms without executing cancellation.' It specifies the resource (US subscriptions), the action (check terms), and explicitly disclaims executing cancellation, distinguishing it from sibling tools like refund_eligibility and return_eligibility. It also mentions the specific return value CANCEL_AT_PERIOD_END, further clarifying its purpose.

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 usage context by stating it checks cancellation terms and does not execute cancellation, which separates it from refund and return tools. However, it does not explicitly name alternatives or state when not to use it. The sibling tool names are known from context, but the description itself lacks explicit routing guidance.

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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