# SentientData Market Scan (remote · deal.ly)

Live eBay market intelligence: underpriced listing scans, price distributions, flip margins.

- Trust score: 71/100 (medium)
- Change this week: +4
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-21

## Components

- remote · `deal.ly`: 71/100 (this document), [markdown](https://verifymcp.io/servers/ly-deal-market-scan/deal.md), [page](https://verifymcp.io/servers/ly-deal-market-scan/deal)

## Channel facts

- Endpoint: `https://deal.ly/mcp`
- Transports: `streamable-http`
- Auth: `none`
- Version: `2.0.0`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-09-21.

- **Endpoint Security**: 57/100
  - The endpoint's TLS certificate is valid, in date, and uses a strong key.
  - Authorisation not fully verified: no authorisation is required to call this server, and 4 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.
  - HTTPS is enforced; there's no plaintext access path.
  - HSTS check failed: the Strict-Transport-Security header is absent.
  - DNSSEC check failed: this domain isn't protected by DNSSEC.
- **Transport & Reachability**: 100/100
  - Verified streamable-http transport via a live MCP handshake.
- **Schema Quality & AI Usability**: 75/100
  - AI-judged instruction clarity (good).
  - Context-footprint check failed: tool/resource definitions use about 527 tokens (~131/item across 4 items; 4 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 57/100
  - Stability observed for 17 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 4 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 5 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 60/100
  - Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28.

## Install

### How do I install the SentientData Market Scan MCP server?

SentientData Market Scan is a hosted endpoint at https://deal.ly/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add --transport http ly-deal-market-scan 'https://deal.ly/mcp'
```

### Cursor

```json
{
  "mcpServers": {
    "ly-deal-market-scan": {
      "url": "https://deal.ly/mcp"
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "ly-deal-market-scan": {
      "type": "http",
      "url": "https://deal.ly/mcp"
    }
  }
}
```

### Codex

```toml
[mcp_servers.ly-deal-market-scan]
url = "https://deal.ly/mcp"
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "ly-deal-market-scan": {
      "type": "remote",
      "url": "https://deal.ly/mcp",
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add ly-deal-market-scan --url 'https://deal.ly/mcp' --transport streamable-http
```

### Hermes

```yaml
mcp_servers:
  ly-deal-market-scan:
    url: "https://deal.ly/mcp"
```

### Netclaw

```json
{
  "McpServers": {
    "ly-deal-market-scan": {
      "Transport": "http",
      "Url": "https://deal.ly/mcp"
    }
  }
}
```

### Vellum

```bash
assistant mcp add ly-deal-market-scan -t streamable-http -u 'https://deal.ly/mcp'
```

### Other

```json
{
  "mcpServers": {
    "ly-deal-market-scan": {
      "type": "http",
      "url": "https://deal.ly/mcp"
    }
  }
}
```

The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-09-21 (score 71, +1)

No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-19 (score 70, +1)

No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-17 (score 69, +1)

No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-15 (score 68, +1)

No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-13 (score 67, +1)

No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-11 (score 66, 0)

- [security] Tool “hot_list” rewrote its description, which is the text the model reads

### 2026-09-10 (score 66, +1)

No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-08 (score 65, +1)

No change was recorded against any check on this day. Stability & Change Management went from 10 to 13. That category is still filling its 30-day observation window: 3 days of observed history at the previous scan, 4 at this one. The score rises as the window fills, whether or not the server changes.

## MCP tools (4)

### `scan_deals` (~188 tokens)

Scan live eBay listings for a product and return the ones priced furthest under the current market median. AUCTION mode (default) finds ending-soon auctions sitting under market; FIXED_PRICE mode finds mispriced Buy It Now listings that can be bought instantly. Includes market median, percent under market, and a buy link per result.

Input parameters:

- `buying_option` (string): Default AUCTION
- `ending_within_hours` (number): AUCTION mode only, default 24
- `limit` (number): Max results, default 10, max 25
- `min_discount_pct` (number): Minimum percent under market median, default 30
- `min_price` (number): Ignore listings under this USD price, default 25
- `query` (string, required): Product to scan, e.g. '4L60E transmission' or 'PSA 10 Charizard'

### `price_check` (~80 tokens)

Live market price distribution for a product from current eBay Buy It Now listings: median, p25, p75, min, max, and sample size. Use to answer 'what is this worth right now'.

Input parameters:

- `min_price` (number): Floor to exclude junk/parts listings, default 25
- `query` (string, required): Product to price

### `flip_margin` (~108 tokens)

Estimate resale margin for buying an item at a given price and reselling at the current eBay market median. Accounts for marketplace fees and optional shipping cost. Returns estimated profit and ROI. Estimates only, not financial advice.

Input parameters:

- `buy_price` (number, required): Your acquisition price in USD
- `fee_pct` (number): Marketplace fee percent, default 13.25
- `query` (string, required): Product to evaluate
- `shipping_cost` (number): Estimated outbound shipping USD, default 0

### `hot_list` (~84 tokens)

The current pre-scored steal list across tracked lanes (watches, sneakers, bags, jewelry, beauty, cards, coins, guitars, lego, golf, autoparts, tools): live auctions at least 45% under market plus mispriced Buy It Now listings, refreshed every 30 minutes. Fast cached read.

Input parameters:

- `lane` (string): Optional lane slug to filter

## Diagnostics

Captured diagnostic sections: TLS, DNSSEC, Authorisation, Transports. The full working is on the page: https://verifymcp.io/servers/ly-deal-market-scan/deal#diagnostics

## Score history

- 2026-09-21: 71
- 2026-09-20: 70
- 2026-09-19: 70
- 2026-09-18: 69
- 2026-09-17: 69
- 2026-09-16: 68
- 2026-09-15: 68
- 2026-09-14: 67
- 2026-09-13: 67
- 2026-09-12: 66
- 2026-09-11: 66
- 2026-09-10: 66
- 2026-09-09: 65
- 2026-09-08: 65
- 2026-09-07: 64
- 2026-09-06: 64
- 2026-09-05: 63
- 2026-09-04: 63

## Common questions

### What is the SentientData Market Scan MCP server?

SentientData Market Scan is an MCP server listed in the public MCP registry as ly.deal/market-scan. Live eBay market intelligence: underpriced listing scans, price distributions, flip margins. This page covers its hosted endpoint (https://deal.ly/mcp).

### Is the SentientData Market Scan MCP server safe to use?

SentientData Market Scan scores 71 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the SentientData Market Scan MCP server expose?

SentientData Market Scan exposes 4 tools: scan_deals, price_check, flip_margin, hot_list. Their descriptions and schemas cost roughly 460 tokens of context every time the server is loaded.

### Does the SentientData Market Scan MCP server require authentication?

No. We connected to SentientData Market Scan without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.

### Is the SentientData Market Scan MCP server still maintained?

SentientData Market Scan is still listed as active in the MCP registry. We last reached this channel on 21 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

## Links

- Remote endpoint: https://deal.ly/mcp
- Website: https://deal.ly/mcp
- Changelog RSS feed: https://verifymcp.io/servers/ly-deal-market-scan/deal.xml
- Changelog JSON feed: https://verifymcp.io/servers/ly-deal-market-scan/deal.json
- HTML version of this page: https://verifymcp.io/servers/ly-deal-market-scan/deal