# lookup_nasa_apod

Get NASA's Astronomy Picture of the Day (image, title, explanation). Use for content and educational agents. Cost: $0.005–$0.05 USDC on Base per call.

Agent View of the PolicyLayer registry record for `lookup_nasa_apod`. HTML page: https://policylayer.com/tools/io-github-colinhughes2121-gocreative-agent-api/lookup-nasa-apod

## Facts

- Tool: `lookup_nasa_apod`
- Server: GoCreative Agent API (`https://api.gocreativeai.com/mcp`) — https://policylayer.com/tools/io-github-colinhughes2121-gocreative-agent-api.md
- Homepage: https://github.com/https://api.gocreativeai.com/mcp
- Risk category: Read (Low risk)
- Registry record: grade D, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 1
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `query_string` | string | 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": "lookup_nasa_apod",
    "arguments": {}
  }
}
```

## Why lookup_nasa_apod is rated Low

The tool queries and returns public astronomical imagery and metadata. It has no side effects, cannot modify data, execute code, delete resources, or commit financial obligations. The per-call cost is a payment model for API access, not a financial transaction executed by the tool. This is a straightforward data retrieval utility suitable for educational and content generation agents.

From the tool's own definition: "Tool retrieves NASA's Astronomy Picture of the Day with image, title, and explanation—classic read-only data retrieval. No mutation, deletion, execution, or financial transaction capability described."

## Use case

AI agents call lookup_nasa_apod to retrieve information from GoCreative Agent API 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 GoCreative Agent API:

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

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## 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-colinhughes2121-gocreative-agent-api · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-colinhughes2121-gocreative-agent-api