Mirabello Immigration Intelligence

Subscribe to Programme-Change Alerts

subscribe_changes

Subscribe to verified programme-change alerts (price changes, launches, corrections — each linked to the official source). Agents: provide webhook_url (HTTPS POST on each change). Humans: provide email (explicit consent required). Optional programme_ids filter. Returns a subscription id + unsubscribe URL. Webhook POSTs carry X-Mirabello-Signature: sha256=. Each call creates a separate subscription, so repeating it duplicates the alerts.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "subscribe_changes"
  }
}

Input Schema

Name	Required	Description
`email`	No	email for change alerts (requires consent:true)
`consent`	No	required true when email is given (GDPR)
`website`	No	leave blank (spam honeypot)
`webhook_url`	No	HTTPS endpoint to POST change entries to (for agents/systems)
`programme_ids`	No	optional filter — only these programmes

Output Schema

Name	Required	Description	Default
`error`	No
`terms`	No
`source`	No
`book_url`	No
`provider`	No
`disclaimer`	No
`data_updated`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed8 schema fields changedOct 25, 2026

changedOutput schema / description

Previous value: -"Mirabello response envelope. Tool-specific fields vary; the provenance/disclaimer envelope is always present."New value: +"Mirabello envelope; tool fields vary; error only on failure."

removedOutput schema / properties / book_url / description

Removed value: -"Link to request a consultation with a Mirabello specialist, for a personal case."

removedOutput schema / properties / data_updated / description

Removed value: -"Date the underlying dataset was last updated."

removedOutput schema / properties / disclaimer / description

Removed value: -"Information, not legal/tax/financial/immigration advice; figures indicative."

removedOutput schema / properties / error / description

Removed value: -"Present only when the request could not be fulfilled."

removedOutput schema / properties / provider / description
```
Removed value: -"Always \"Mirabello Consultancy\"."
```

removedOutput schema / properties / source / description

Removed value: -"Attribution for the data, when it is not Mirabello Consultancy itself."

removedOutput schema / properties / terms / description

Removed value: -"Acceptable-use and information-not-advice terms."

Changed3 schema fields changedOct 8, 2026

removedOutput schema / properties / book_a_consultation

Removed value: -{
-  "description": "URL to book a Mirabello consultation.",
-  "type": "string"
-}

addedOutput schema / properties / book_url

Added value: +{
+  "description": "Link to request a consultation with a Mirabello specialist, for a personal case.",
+  "type": "string"
+}

changedOutput schema / properties / source / description

Previous value: -"Attribution for the data."New value: +"Attribution for the data, when it is not Mirabello Consultancy itself."

Changed1 schema field changedJul 27, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "description": "Mirabello response envelope. Tool-specific fields vary; the provenance/disclaimer envelope is always present.",
+  "properties": {
+    "book_a_consultation": {
+      "description": "URL to book a Mirabello consultation.",
+      "type": "string"
+    },
+    "data_updated": {
+      "description": "Date the underlying dataset was last updated.",
+      "type": "string"
+    },
+    "disclaimer": {
+      "description": "Information, not legal/tax/financial/immigration advice; figures indicative.",
+      "type": "string"
+    },
+    "error": {
+      "description": "Present only when the request could not be fulfilled.",
+      "type": "string"
+    },
+    "provider": {
+      "description": "Always \"Mirabello Consultancy\".",
+      "type": "string"
+    },
+    "source": {
+      "description": "Attribution for the data.",
+      "type": "string"
+    },
+    "terms": {
+      "description": "Acceptable-use and information-not-advice terms.",
+      "type": "string"
+    }
+  },
+  "type": "object"
+}

AddedJun 10, 2026

TDQS

A4.7/5.0

Behavior5/5

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

Adds substantial context beyond the annotations: each call creates a separate subscription so repeats duplicate alerts (reinforcing idempotentHint=false), webhook POSTs carry an X-Mirabello-Signature HMAC header for verification, and GDPR consent is enforced for email. This is exactly the kind of side-effect and security detail annotations cannot express.

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?

Front-loads purpose and delivery mechanism, then layers channel guidance, return value, signature detail and the duplication warning. Every sentence carries actionable information with no filler.

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?

Covers what an agent needs to call correctly: which parameter to use per actor type, consent requirement, filtering scope, return artifacts, signature verification, and the duplicate-subscription hazard. An output schema exists, yet the description still appropriately previews the returned subscription id and unsubscribe URL.

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

Parameters4/5

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

Schema coverage is 100%, so baseline is 3. The description adds value by explaining the agent-vs-human parameter path (webhook_url vs email+consent) and clarifying that programme_ids is a filter rather than required, which the flat schema does not make obvious.

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?

States a specific verb (subscribe) and resource (verified programme-change alerts) plus the alert types covered. It is clearly distinct from read-style siblings such as get_recent_changes or get_availability_updates because it establishes a persistent subscription with webhook/email delivery.

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 channel routing — agents use webhook_url, humans use email with consent — and notes programme_ids is an optional filter. It does not name a sibling alternative (e.g. use get_recent_changes for a one-off read), so a small gap remains.

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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