# change_failure_root_cause_classifier

Classifies root causes of change failures for CTO-level incident analysis. Uses GitHub PR metadata and Snyk vulnerability data to identify patterns like dependency vulnerabilities, configuration drift, or deployment process gaps. Inputs include GitHub PR URL or incident ID, and outputs structured root cause categories with confidence scores. Ideal for post-mortem analysis and change risk assessment.

Agent View of the PolicyLayer registry record for `change_failure_root_cause_classifier`. HTML page: https://policylayer.com/tools/io-github-getgapup-mcp-knowledge/change-failure-root-cause-classifier

## Facts

- Tool: `change_failure_root_cause_classifier`
- Server: Mcp Knowledge (`https://mcp.gapup.io`) — https://policylayer.com/tools/io-github-getgapup-mcp-knowledge.md
- Homepage: https://github.com/getgapup/gapup-mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 5 (1 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `async` | boolean | no | If true, returns a job_id immediately (<200ms) instead of waiting for the result. Poll the result with job_result(job_id). Use for slow tools to avoid client ti |
| `pr_url` | string | yes |  |
| `incident_id` | string | no |  |
| `snyk_org_id` | string | no |  |
| `time_range_days` | number | no |  |

Parameters from the server's own tool schema.

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "change_failure_root_cause_classifier",
    "arguments": {
      "pr_url": "<pr_url>"
    }
  }
}
```

## Why change_failure_root_cause_classifier is rated Low

This tool reads and analyzes existing data (GitHub PR metadata, Snyk vulnerability data) to classify and identify patterns. It produces structured output (categories with confidence scores) without modifying, executing, or deleting any data. The medium severity reflects that it accesses potentially sensitive incident and vulnerability data, and misuse could expose security gaps or internal engineering processes.

From the tool's own definition: "Classifies root causes of change failures... Uses GitHub PR metadata and Snyk vulnerability data to identify patterns... outputs structured root cause categories with confidence scores. Ideal for post-mortem analysis and change risk assessment."

Risk signals: Admin/system-level operation

## Use case

AI agents call change_failure_root_cause_classifier to retrieve information from Mcp Knowledge without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mcp Knowledge:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "change_failure_root_cause_classifier": {}
  }
}
```

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- `term_sheet_negotiation` — Other — https://policylayer.com/tools/io-github-getgapup-mcp-knowledge/term-sheet-negotiation.md
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- …and 240 more: https://policylayer.com/tools/io-github-getgapup-mcp-knowledge.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=io-github-getgapup-mcp-knowledge · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-getgapup-mcp-knowledge
