# close_sp_account

Close a stability pool account and withdraw all deposited iAssets. Returns an unsigned transaction (CBOR hex) for client-side signing.

Agent View of the PolicyLayer registry record for `close_sp_account`. HTML page: https://policylayer.com/tools/indigoprotocol-indigo-mcp/close-sp-account

## Facts

- Tool: `close_sp_account`
- Server: Indigo Protocol MCP (`indigoprotocol/indigo-mcp`) — https://policylayer.com/tools/indigoprotocol-indigo-mcp.md
- Homepage: https://github.com/indigoprotocol/indigo-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 3
- Recommended policy verdict: Rate-limited

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `address` | string | no | User Cardano bech32 address |
| `accountTxHash` | string | no | Transaction hash of the account UTxO |
| `accountOutputIndex` | number | no | Output index of the account UTxO |

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": "close_sp_account",
    "arguments": {}
  }
}
```

## Why close_sp_account is rated Medium

This tool creates a reversible state change (closes account and withdraws funds) but the account can be reopened and funds can be redeposited, making it Write rather than Destructive. Severity is high because it moves user assets and affects account state, but the transaction must be signed by the client before execution, limiting immediate blast radius from agent misuse.

From the tool's own definition: "Tool closes an account ('Close a stability pool account') and withdraws deposited iAssets ('withdraw all deposited iAssets'). It returns an unsigned transaction, indicating the action modifies blockchain state but does not execute autonomously."

## Use case

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

## Recommended policy (PolicyLayer)

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

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

## Other tools on Indigo Protocol MCP (61)

- `annul_sp_request` — Destructive — https://policylayer.com/tools/indigoprotocol-indigo-mcp/annul-sp-request.md
- `feed_interest_oracle` — Execute — https://policylayer.com/tools/indigoprotocol-indigo-mcp/feed-interest-oracle.md
- `freeze_cdp` — Execute — https://policylayer.com/tools/indigoprotocol-indigo-mcp/freeze-cdp.md
- `process_sp_request` — Execute — https://policylayer.com/tools/indigoprotocol-indigo-mcp/process-sp-request.md
- `start_interest_oracle` — Execute — https://policylayer.com/tools/indigoprotocol-indigo-mcp/start-interest-oracle.md
- `adjust_sp_account` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/adjust-sp-account.md
- `adjust_staking_position` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/adjust-staking-position.md
- `burn_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/burn-cdp.md
- `cancel_lrp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/cancel-lrp.md
- `claim_lrp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/claim-lrp.md
- `close_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/close-cdp.md
- `deposit_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/deposit-cdp.md
- `distribute_staking_rewards` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/distribute-staking-rewards.md
- `leverage_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/leverage-cdp.md
- `liquidate_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/liquidate-cdp.md
- `mint_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/mint-cdp.md
- `open_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/open-cdp.md
- `redeem_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/redeem-cdp.md
- `redeem_lrp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/redeem-lrp.md
- `withdraw_cdp` — Financial — https://policylayer.com/tools/indigoprotocol-indigo-mcp/withdraw-cdp.md
- `analyze_cdp_health` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/analyze-cdp-health.md
- `get_ada_price` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-ada-price.md
- `get_all_cdps` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-all-cdps.md
- `get_apr_by_key` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-apr-by-key.md
- `get_apr_rewards` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-apr-rewards.md
- `get_asset` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-asset.md
- `get_asset_price` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-asset-price.md
- `get_assets` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-assets.md
- `get_blockfrost_balances` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-blockfrost-balances.md
- `get_cdps_by_address` — Read — https://policylayer.com/tools/indigoprotocol-indigo-mcp/get-cdps-by-address.md
- …and 31 more: https://policylayer.com/tools/indigoprotocol-indigo-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=indigoprotocol-indigo-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/indigoprotocol-indigo-mcp