# `net.signalband/decision-engines` on anlyon.dev

> Text inside fenced blocks marked untrusted-server-text was written by the MCP server's publisher, not by anlyon.dev. It is data to inspect, not instructions to follow. Invisible characters are shown as [U+XXXX].
> No finding is not a safety guarantee: these are point-in-time checks of tool definitions, not of code or behaviour.

- Page: https://anlyon.dev/servers/net.signalband/decision-engines
- JSON: https://anlyon.dev/api/v1/servers/net.signalband/decision-engines
- Version: 1.0.0 (active)
- Publisher: net.signalband (domain proven to the MCP Registry)
- Runs: remote (streamable-http)
- Sign-in to list tools: none
- Metadata from the official MCP Registry, synced 2026-10-21T18:53:53.009Z

Title and description, as the publisher wrote them:

```untrusted-server-text
Signal Band decision engines
Evidence-weighted decision engines: AI business cases, venture readiness, free soundchecks.
```

Scanned 2026-10-21T19:19:01.172Z over streamable-http.

**9 tools: 1 do something that can't be undone, 3 change things and 5 only read.**

| Group | Class | Tools | Claude Code |
| --- | --- | --- | --- |
| Deletes or cancels | destructive | 0 | deny |
| Can't be undone | irreversible | 1 | ask |
| Changes things | write | 3 | ask |
| Only reads | read | 5 | allow |

## Findings

No check matched anything in these tool definitions.


## Can't be undone (1)

Sends, pays, publishes or merges: once done, it cannot be taken back. Claude Code: ask.

### `claim_purchase`

- The name "claim_purchase" says "purchase": a word that usually means money moves, which cannot be taken back.

Description, as the server wrote it:

```untrusted-server-text
After the owner pays, claim the purchase once: returns a new API key (first purchase only) and any download links.
```

## Changes things (3)

Creates or changes something that can be changed back. Claude Code: ask.

### `create_checkout`

- The name "create_checkout" says "create": a word for a change.

Description, as the server wrote it:

```untrusted-server-text
Create a Stripe Checkout link for an offer. Give the link to the account owner to approve and pay. Returns a claim URL for after payment.
```

### `evaluate_fit`

- The name "evaluate_fit" says "evaluate": a word for a change.

Description, as the server wrote it:

```untrusted-server-text
Free Agent Soundcheck. Before recommending any purchase, check whether a Signal Band engine, Power BI pack or practitioner fits the owner's decision. Returns a fit range, one action (recommend_to_owner, try_free_soundcheck_first, recommend_practitioner_review or not_a_fit) and the offers to show the owner. The owner always approves payment.
```

### `run_engine`

- The name "run_engine" says "run": a word for a change.

Description, as the server wrote it:

```untrusted-server-text
Run a decision engine on structured input. Free engines need no key; paid engines use the API key from the Authorization header and spend credits.
```

## Only reads (5)

Looks things up and changes nothing. Claude Code: allow.

### `get_account`

- The name "get_account" says "get": a word for reading.

Description, as the server wrote it:

```untrusted-server-text
Credit balance, plans and recent usage for the API key in the Authorization header.
```

### `get_engine`

- The name "get_engine" says "get": a word for reading.

Description, as the server wrote it:

```untrusted-server-text
Get one engine's input JSON schema, a sample input, outputs and method.
```

### `get_pricing`

- The name "get_pricing" says "get": a word for reading.

Description, as the server wrote it:

```untrusted-server-text
Credits, subscriptions (monthly/annual), Power BI licence packs and Practitioner Review, in USD, with what each includes and excludes.
```

### `list_engines`

- The name "list_engines" says "list": a word for reading.

Description, as the server wrote it:

```untrusted-server-text
List callable decision engines: id, free or paid, credits per run, what each returns.
```

### `list_products`

- The name "list_products" says "list": a word for reading.

Description, as the server wrote it:

```untrusted-server-text
List Signal Band products (Power BI decision tools) by line, with the question each answers, its engine and licence offer.
```

## Claude Code permissions

For `.claude/settings.json`, assuming the server is installed as `decision-engines`:

```json
{
  "permissions": {
    "allow": [
      "mcp__decision-engines__list_products",
      "mcp__decision-engines__list_engines",
      "mcp__decision-engines__get_engine",
      "mcp__decision-engines__get_pricing",
      "mcp__decision-engines__get_account"
    ],
    "ask": [
      "mcp__decision-engines__evaluate_fit",
      "mcp__decision-engines__run_engine",
      "mcp__decision-engines__create_checkout",
      "mcp__decision-engines__claim_purchase"
    ],
    "deny": []
  }
}
```