# get_health

Check LightRAG server health

Agent View of the PolicyLayer registry record for `get_health`. HTML page: https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/get-health

## Facts

- Tool: `get_health`
- Server: Daniel LightRAG MCP Server (`desimpkins/daniel-lightrag-mcp`) — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp.md
- Homepage: https://github.com/desimpkins/daniel-lightrag-mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

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

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

## Why get_health is rated Low

This is a health check operation that queries server status and returns diagnostic information. It has no side effects, does not execute external operations, and does not modify or delete any data. It is a straightforward Read operation with minimal blast radius if misused.

From the tool's own definition: "Tool name 'get_health' and description 'Check LightRAG server health' indicate a query operation that retrieves status information without modifying, executing code, or deleting data."

## Use case

AI agents call get_health to retrieve information from Daniel LightRAG MCP Server 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 Daniel LightRAG MCP Server:

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

## Other tools on Daniel LightRAG MCP Server (20)

- `delete_document` — Destructive — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/delete-document.md
- `delete_entity` — Destructive — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/delete-entity.md
- `delete_relation` — Destructive — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/delete-relation.md
- `check_entity_exists` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/check-entity-exists.md
- `get_document_status_counts` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/get-document-status-counts.md
- `get_documents` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/get-documents.md
- `get_documents_paginated` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/get-documents-paginated.md
- `get_graph_labels` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/get-graph-labels.md
- `get_knowledge_graph` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/get-knowledge-graph.md
- `get_pipeline_status` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/get-pipeline-status.md
- `get_track_status` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/get-track-status.md
- `hello` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/hello.md
- `query_text` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/query-text.md
- `query_text_stream` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/query-text-stream.md
- `scan_documents` — Read — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/scan-documents.md
- `insert_text` — Write — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/insert-text.md
- `insert_texts` — Write — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/insert-texts.md
- `update_entity` — Write — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/update-entity.md
- `update_relation` — Write — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/update-relation.md
- `upload_document` — Write — https://policylayer.com/tools/desimpkins-daniel-lightrag-mcp/upload-document.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=desimpkins-daniel-lightrag-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/desimpkins-daniel-lightrag-mcp