# update_site_content

Update a site's visitor-facing page copy (home hero, "Why Choose Us" features, post-FAQ CTA block, header nav links, glossary + about page). Changes take effect within a few minutes. Pass home and/or about objects carrying only the fields you want to change; omitted fields are left untouched. Editable home fields: heroTitle, heroSubtitle, ctaText, tagline, metaDescription, shortDescription, featuresHeading, features, ctaSectionHeading, ctaSectionDescription, ctaSectionButtonText, navLinks, glossaryItems, mission, valuesHeading, aboutSubtitle, aboutStoryHeading, faqHeading, packLabels, socialLinks. IMPORTANT: the About page renders from the home object, so aboutSubtitle / aboutStoryHeading / mission / valuesHeading belong under home — putting them under about is accepted but never displayed. packLabels is a flat { slotKey: "translated text" } map for the pack's own UI strings (nav headings, section eyebrows, "Read more", legal link labels…). It MERGES: sending one key leaves the others alone. Use it to fix labels still rendering English on a non-English site — most pack labels are NOT declared in the pack manifest, so this is the only way to override them. Keys must match /^[A-Za-z0-9_]+$/. Editable about fields: aboutTitle, aboutText, aboutParagraphs (array of strings), metaDescription, shortDescription. Brand identity (brandName, industry) is not editable here (use update_project); logo/favicon/hero background image go through update_site_branding. Unknown fields are ignored.

Agent View of the PolicyLayer registry record for `update_site_content`. HTML page: https://policylayer.com/tools/a3plus-mcp/update-site-content

## Facts

- Tool: `update_site_content`
- Server: A3plus (`a3plus-mcp`) — https://policylayer.com/tools/a3plus-mcp.md
- Install: `npx -y a3plus-mcp`
- Homepage: https://www.npmjs.com/package/a3plus-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 3 (1 required)
- Recommended policy verdict: Rate-limited

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `home` | object | no | Home page copy fields to update (any subset). |
| `about` | object | no | About page copy fields to update (any subset). |
| `siteId` | string | yes | The A3Plus site ID. |

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": "update_site_content",
    "arguments": {
      "siteId": "<siteId>"
    }
  }
}
```

## Why update_site_content is rated Medium

An AI agent can call update_site_content faster than any human can review: one bad instruction and it creates or modifies resources in A3plus by the hundred, each call as confident as the last.

Risk signals: High parameter count (28 properties)

## Use case

AI agents use update_site_content to create or update resources in A3plus, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your A3plus environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches A3plus:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_site_content": {
      "limits": [
        {
          "counter": "update_site_content_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on A3plus (60)

- `delete_article` — Destructive — https://policylayer.com/tools/a3plus-mcp/delete-article.md
- `delete_sites` — Destructive — https://policylayer.com/tools/a3plus-mcp/delete-sites.md
- `list_domains` — Destructive — https://policylayer.com/tools/a3plus-mcp/list-domains.md
- `remove_project_member` — Destructive — https://policylayer.com/tools/a3plus-mcp/remove-project-member.md
- `update_article` — Destructive — https://policylayer.com/tools/a3plus-mcp/update-article.md
- `retry_sites` — Execute — https://policylayer.com/tools/a3plus-mcp/retry-sites.md
- `transfer_sites` — Financial — https://policylayer.com/tools/a3plus-mcp/transfer-sites.md
- `audit_project_articles` — Read — https://policylayer.com/tools/a3plus-mcp/audit-project-articles.md
- `bind_domain` — Read — https://policylayer.com/tools/a3plus-mcp/bind-domain.md
- `bredgio_list_agents` — Read — https://policylayer.com/tools/a3plus-mcp/bredgio-list-agents.md
- `bredgio_logout` — Read — https://policylayer.com/tools/a3plus-mcp/bredgio-logout.md
- `bredgio_status` — Read — https://policylayer.com/tools/a3plus-mcp/bredgio-status.md
- `bredgio_task_status` — Read — https://policylayer.com/tools/a3plus-mcp/bredgio-task-status.md
- `get_article` — Read — https://policylayer.com/tools/a3plus-mcp/get-article.md
- `get_intake_schema` — Read — https://policylayer.com/tools/a3plus-mcp/get-intake-schema.md
- `get_pack` — Read — https://policylayer.com/tools/a3plus-mcp/get-pack.md
- `get_playbook` — Read — https://policylayer.com/tools/a3plus-mcp/get-playbook.md
- `get_project` — Read — https://policylayer.com/tools/a3plus-mcp/get-project.md
- `get_project_readiness` — Read — https://policylayer.com/tools/a3plus-mcp/get-project-readiness.md
- `get_site_brand` — Read — https://policylayer.com/tools/a3plus-mcp/get-site-brand.md
- `get_site_content` — Read — https://policylayer.com/tools/a3plus-mcp/get-site-content.md
- `get_site_faq` — Read — https://policylayer.com/tools/a3plus-mcp/get-site-faq.md
- `get_site_seo` — Read — https://policylayer.com/tools/a3plus-mcp/get-site-seo.md
- `get_static_pages` — Read — https://policylayer.com/tools/a3plus-mcp/get-static-pages.md
- `gsc_search_analytics` — Read — https://policylayer.com/tools/a3plus-mcp/gsc-search-analytics.md
- `gsc_site_detail` — Read — https://policylayer.com/tools/a3plus-mcp/gsc-site-detail.md
- `gsc_sites` — Read — https://policylayer.com/tools/a3plus-mcp/gsc-sites.md
- `gsc_zero_data_sites` — Read — https://policylayer.com/tools/a3plus-mcp/gsc-zero-data-sites.md
- `index_coverage_report` — Read — https://policylayer.com/tools/a3plus-mcp/index-coverage-report.md
- `list_articles` — Read — https://policylayer.com/tools/a3plus-mcp/list-articles.md
- …and 30 more: https://policylayer.com/tools/a3plus-mcp.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=a3plus-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/a3plus-mcp