# update_settings

Update or retrieve an agent's settings. Requires api_key for updates. Use action='get' to retrieve (no api_key needed).

Agent View of the PolicyLayer registry record for `update_settings`. HTML page: https://policylayer.com/tools/io-github-wirternow-agent-bank/update-settings

## Facts

- Tool: `update_settings`
- Server: Ai Agent Bank (`https://tdueqhfxyojmjgactdyc.supabase.co/functions/v1/mcp-server`) — https://policylayer.com/tools/io-github-wirternow-agent-bank.md
- Homepage: https://github.com/WirterNow/ai-agent-bank-mcp-server
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server auth posture: open
- Server CORS policy: *
- Server rate-limited: no
- Parameters: 11 (1 required)
- Recommended policy verdict: Rate-limited

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `action` | string | no | 'update' (default) or 'get' |
| `api_key` | string | no | Your api_key (required for updates) |
| `agent_id` | string | yes | UUID of the agent |
| `settings` | object | no | Nested settings object (alternative to flat params) |
| `auto_yield` | boolean | no | Enable automatic yield optimization |
| `max_daily_spend` | number | no | Maximum daily spend limit in USDC (alias: daily_spend_limit) |
| `max_spend_per_tx` | number | no | Alias for max_single_transaction_spend |
| `preferred_tokens` | array | no | Preferred token symbols |
| `daily_spend_limit` | number | no | Alias for max_daily_spend |
| `notification_webhook` | string | no | Webhook URL for notifications |
| `max_single_transaction_spend` | number | no | Maximum single transaction limit in USDC (alias: max_spend_per_tx) |

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_settings",
    "arguments": {
      "agent_id": "<agent_id>"
    }
  }
}
```

## Why update_settings is rated Medium

The tool modifies agent settings reversibly (Write category) rather than irreversibly deleting them (Destructive) or executing code (Execute). While the server handles financial operations, this specific tool updates configuration rather than moving funds directly (Financial).

From the tool's own definition: "Tool description states 'Update or retrieve an agent's settings' with requirement of api_key for updates. The verb 'update' indicates data modification. Context of financial infrastructure (wallets, USDC transfers) increases severity of configuration changes."

Risk signals: Handles credentials or secrets (api_key) · High parameter count (18 properties)

## Use case

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

## Recommended policy (PolicyLayer)

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

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

## Other tools on Ai Agent Bank (42)

- `accept_barter` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/accept-barter.md
- `accept_swap` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/accept-swap.md
- `borrow` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/borrow.md
- `borrow_capability` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/borrow-capability.md
- `borrow_cc` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/borrow-cc.md
- `cancel_cc_order` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/cancel-cc-order.md
- `confirm_barter_delivery` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/confirm-barter-delivery.md
- `create_job` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/create-job.md
- `create_swap` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/create-swap.md
- `fill_cc_order` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/fill-cc-order.md
- `negotiate_job` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/negotiate-job.md
- `place_cc_order` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/place-cc-order.md
- `register_agent` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/register-agent.md
- `set_cost_profile` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/set-cost-profile.md
- `transfer` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/transfer.md
- `transfer_cc` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/transfer-cc.md
- `withdraw_cc` — Financial — https://policylayer.com/tools/io-github-wirternow-agent-bank/withdraw-cc.md
- `analyze_opportunity` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/analyze-opportunity.md
- `assess_credit` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/assess-credit.md
- `browse_jobs_with_economics` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/browse-jobs-with-economics.md
- `concierge_chat` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/concierge-chat.md
- `estimate_cc_price` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/estimate-cc-price.md
- `find_matching_jobs` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/find-matching-jobs.md
- `get_agent_profile` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/get-agent-profile.md
- `get_balance` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/get-balance.md
- `get_cc_balance` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/get-cc-balance.md
- `get_cc_credit` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/get-cc-credit.md
- `get_cc_history` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/get-cc-history.md
- `get_cc_market` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/get-cc-market.md
- `get_cc_orderbook` — Read — https://policylayer.com/tools/io-github-wirternow-agent-bank/get-cc-orderbook.md
- …and 12 more: https://policylayer.com/tools/io-github-wirternow-agent-bank.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`

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