# get_fact

Get a single verified fact for a company by domain and fact key (e.g. "tagline", "description").

Agent View of the PolicyLayer registry record for `get_fact`. HTML page: https://policylayer.com/tools/com-groundedaeo-grounded-aeo/get-fact

## Facts

- Tool: `get_fact`
- Server: Grounded Aeo (`https://groundedaeo.com/api/mcp`) — https://policylayer.com/tools/com-groundedaeo-grounded-aeo.md
- Homepage: https://github.com/https://groundedaeo.com/api/mcp
- Risk category: Read (Low risk)
- Registry record: grade D, identity unverified
- Server auth posture: open
- Server rate-limited: no
- Parameters: 2 (2 required)
- Recommended policy verdict: Allowed

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `key` | string | yes | Fact key, e.g. "tagline" |
| `domain` | string | yes |  |

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": "get_fact",
    "arguments": {
      "key": "<key>",
      "domain": "<domain>"
    }
  }
}
```

## Why get_fact is rated Low

This tool retrieves existing company metadata (facts like tagline or description) indexed by domain and fact key. It performs a lookup query with no ability to modify, create, delete, or execute operations. The blast radius of misuse is minimal—an agent could retrieve facts about arbitrary companies, but this poses no data integrity, security, or operational risk. Classified as Read with low severity.

From the tool's own definition: "Tool description states 'Get a single verified fact for a company' — a retrieval operation with no modification, deletion, or execution. The verb 'get' and lack of side-effects confirm read-only semantics."

## Use case

AI agents call get_fact to retrieve information from Grounded Aeo 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 Grounded Aeo:

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

## Other tools on Grounded Aeo (13)

- `run_audit` — Execute — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/run-audit.md
- `check_aeo_record` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/check-aeo-record.md
- `check_serp` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/check-serp.md
- `get_citations` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/get-citations.md
- `get_cited_domains` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/get-cited-domains.md
- `get_company_facts` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/get-company-facts.md
- `get_competitive_snapshot` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/get-competitive-snapshot.md
- `get_engine_visibility` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/get-engine-visibility.md
- `get_keyword_gap` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/get-keyword-gap.md
- `get_llms_txt` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/get-llms-txt.md
- `propose_briefs` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/propose-briefs.md
- `search_catalog` — Read — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/search-catalog.md
- `generate_free_record` — Write — https://policylayer.com/tools/com-groundedaeo-grounded-aeo/generate-free-record.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=com-groundedaeo-grounded-aeo · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/com-groundedaeo-grounded-aeo