# io.github.edgeedgehq/denialbot (npm · @coverage-unlocked/denialbot-mcp)

Insurance denial code lookup, appeal letter generation, and denial analysis for AI agents.

- Trust score: 64/100 (medium)
- Change this week: −10
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `@coverage-unlocked/denialbot-mcp`: 64/100 (this document), [markdown](https://verifymcp.io/servers/edgeedgehq-denialbot/coverage-unlocked-denialbot-mcp.md), [page](https://verifymcp.io/servers/edgeedgehq-denialbot/coverage-unlocked-denialbot-mcp)

## Channel facts

- Registry: `npm`
- Package: `@coverage-unlocked/denialbot-mcp`
- Version: `1.0.1`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, 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 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 19/100
  - Repository check failed: the declared repository URL returned HTTP 404.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 154 days ago).
  - Security-disclosure policy not yet verified: we couldn't inspect the source repository.
- **Schema Quality & AI Usability**: 77/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 567 tokens (~94/item across 6 items; 6 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 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.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add edgeedgehq-denialbot -- npx -y @coverage-unlocked/denialbot-mcp
```

### Codex

```bash
codex mcp add edgeedgehq-denialbot -- npx -y @coverage-unlocked/denialbot-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "edgeedgehq-denialbot": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@coverage-unlocked/denialbot-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add edgeedgehq-denialbot --command npx --arg -y --arg @coverage-unlocked/denialbot-mcp
```

### Hermes

```yaml
mcp_servers:
  edgeedgehq-denialbot:
    command: "npx"
    args: ["-y", "@coverage-unlocked/denialbot-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "edgeedgehq-denialbot": {
      "command": "npx",
      "args": [
        "-y",
        "@coverage-unlocked/denialbot-mcp"
      ]
    }
  }
}
```

## 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.

### 2026-08-03 (score 64, +4)

- [functional improvement] Stability: unverified → 0.27

### 2026-08-02 (score 60, +45)

- [security regression] Provenance: unverified → fail
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Install scripts: unverified → pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] License: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional improvement] MCP protocol: unverified → pass
- [functional] Licence: MIT

### 2026-08-01 (score 15, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-07-31 (score 0, 0)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 0, −74)

- [security regression] Known CVEs: partial → unverified
- [security regression] Malware scan: pass → unverified
- [security regression] Provenance: fail → unverified
- [security regression] Install scripts: pass → unverified
- [functional regression] Dependency health: partial → unverified
- [functional regression] License: pass → unverified
- [functional regression] Tool coverage: 100 → unverified
- [functional regression] Maintenance: pass → unverified
- [functional] Licence: MIT

### 2026-07-27 (score 74, +55)

- [security regression] Provenance: unverified → fail
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Install scripts: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] License: unverified → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Tool coverage: 100
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: excellent
- [functional] First check of Schema quality: fail
- [functional] Licence: MIT

### 2026-07-26 (score 19)

First indexed and scored.

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

## MCP tools (6)

### `lookup_denial_code` (~100 tokens)

Look up detailed information about an insurance denial code including description, category, appeal strategy, success rate, recommended actions, and supporting regulations. Use when a user mentions a specific denial code or asks about a denial reason.

Input parameters:

- `code` (string, required): The denial code to look up (e.g., 'CO-18', 'PR-1', 'OA-23', 'MA-04'). Supports all standard CARC/RARC denial code formats.

### `list_denial_codes` (~117 tokens)

List all 50+ insurance denial codes in the database. Returns code, description, and category for each. Optionally filter by category. Use when a user wants to browse codes, find the right code for their situation, or asks 'what are the common denial codes'.

Input parameters:

- `category` (string): Optional filter by category: 'Coverage', 'Medical Necessity', 'Procedure Related', 'Cost-Sharing', 'Administrative', 'Patient Issues', 'Other Adjudication', 'Frequency Limits'. Omit to list all codes.

### `generate_appeal_letter` (~209 tokens)

Generate a professional 800-1200 word insurance appeal letter with regulatory citations (ACA, ERISA), clinical evidence references, confidence score, and estimated success rate. Use when a user wants help writing an appeal, has been denied coverage, or needs a template appeal letter.

Input parameters:

- `denial_code` (string, required): The denial code from the insurance company (e.g., 'CO-18')
- `denial_reason` (string): The stated reason for denial from the insurance company's explanation of benefits (EOB)
- `diagnosis` (string, required): The patient's medical diagnosis (e.g., 'Type 2 Diabetes Mellitus with peripheral neuropathy')
- `insurance_company` (string): The insurance company name (e.g., 'Blue Cross Blue Shield of Illinois')
- `patient_summary` (string): Brief clinical summary of the patient's situation, relevant history, and why the procedure is needed
- `procedure` (string, required): The denied medical procedure or service (e.g., 'Advanced continuous glucose monitoring system')

### `analyze_denial_letter` (~87 tokens)

Analyze raw denial letter text to identify denial codes, classify the denial type, assess urgency, and recommend next steps. Use when a user has received a denial letter and wants to understand it, or needs help identifying what codes apply.

Input parameters:

- `denial_text` (string, required): The full text of the insurance denial letter or Explanation of Benefits (EOB). Can be pasted directly from the document.

### `check_api_status` (~29 tokens)

Check the operational status of the DenialBot API. Use to verify connectivity before making other calls.

### `check_usage` (~25 tokens)

Check current API usage, quota remaining, and tier information for the authenticated API key.

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/edgeedgehq-denialbot/coverage-unlocked-denialbot-mcp#diagnostics

## Score history

- 2026-08-03: 64
- 2026-08-02: 60
- 2026-08-01: 15
- 2026-07-31: 0
- 2026-07-30: 0
- 2026-07-28: 74
- 2026-07-27: 74
- 2026-07-26: 19

## Links

- npm package: https://www.npmjs.com/package/@coverage-unlocked/denialbot-mcp
- Socket report: https://socket.dev/npm/package/@coverage-unlocked/denialbot-mcp
- Changelog RSS feed: https://verifymcp.io/servers/edgeedgehq-denialbot/coverage-unlocked-denialbot-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/edgeedgehq-denialbot/coverage-unlocked-denialbot-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/edgeedgehq-denialbot/coverage-unlocked-denialbot-mcp