# buy_order

Fill a single order on the order book.

Agent View of the PolicyLayer registry record for `buy_order`. HTML page: https://policylayer.com/tools/launch-on-basis-mcp-ts/buy-order

## Facts

- Tool: `buy_order`
- Server: Basis MCP Server (`launch-on-basis/mcp-ts`) — https://policylayer.com/tools/launch-on-basis-mcp-ts.md
- Homepage: https://github.com/Launch-On-Basis/MCP-TS
- Risk category: Financial (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Approval-gated

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "buy_order",
    "arguments": {}
  }
}
```

## Why buy_order is rated Critical

Filling an order on a trading order book directly moves cryptocurrency/tokens between parties, constituting a financial transaction. Misuse could result in unintended trades and loss of funds, warranting critical severity.

From the tool's own definition: "'Fill a single order on the order book' — this executes a trade/purchase on a financial order book, committing funds on BNB Smart Chain."

## Use case

AI agents use buy_order to commit financial operations through Basis MCP Server, usually the final step of a payment, billing, or trading workflow. A call moves real money.

## Recommended policy (PolicyLayer)

Verdict: **Approval-gated**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Basis MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "buy_order": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}
```

## Other tools on Basis MCP Server (203)

- `cancel_order` — Destructive — https://policylayer.com/tools/launch-on-basis-mcp-ts/cancel-order.md
- `delete_project_comment` — Destructive — https://policylayer.com/tools/launch-on-basis-mcp-ts/delete-project-comment.md
- `delete_reef_comment` — Destructive — https://policylayer.com/tools/launch-on-basis-mcp-ts/delete-reef-comment.md
- `delete_reef_post` — Destructive — https://policylayer.com/tools/launch-on-basis-mcp-ts/delete-reef-post.md
- `pm_cancel_order` — Destructive — https://policylayer.com/tools/launch-on-basis-mcp-ts/pm-cancel-order.md
- `remove_dev_share` — Destructive — https://policylayer.com/tools/launch-on-basis-mcp-ts/remove-dev-share.md
- `unfreeze_token` — Destructive — https://policylayer.com/tools/launch-on-basis-mcp-ts/unfreeze-token.md
- `link_moltbook` — Execute — https://policylayer.com/tools/launch-on-basis-mcp-ts/link-moltbook.md
- `start_surge_tax` — Execute — https://policylayer.com/tools/launch-on-basis-mcp-ts/start-surge-tax.md
- `sync_order` — Execute — https://policylayer.com/tools/launch-on-basis-mcp-ts/sync-order.md
- `updown_cancel_stalled` — Execute — https://policylayer.com/tools/launch-on-basis-mcp-ts/updown-cancel-stalled.md
- `veto_outcome` — Execute — https://policylayer.com/tools/launch-on-basis-mcp-ts/veto-outcome.md
- `vote_on_dispute` — Execute — https://policylayer.com/tools/launch-on-basis-mcp-ts/vote-on-dispute.md
- `bet` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/bet.md
- `buy_multiple_orders` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/buy-multiple-orders.md
- `buy_orders_and_contract` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/buy-orders-and-contract.md
- `buy_token` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/buy-token.md
- `claim_bounty` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/claim-bounty.md
- `claim_faucet` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/claim-faucet.md
- `claim_leverage_liquidation` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/claim-leverage-liquidation.md
- `close_leverage` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/close-leverage.md
- `dispute_outcome` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/dispute-outcome.md
- `finalize_market` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/finalize-market.md
- `leverage_buy` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/leverage-buy.md
- `pm_buy` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/pm-buy.md
- `pm_buy_multiple_orders` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/pm-buy-multiple-orders.md
- `pm_buy_order` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/pm-buy-order.md
- `pm_buy_orders_and_contract` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/pm-buy-orders-and-contract.md
- `pm_finalize` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/pm-finalize.md
- `pm_redeem` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/pm-redeem.md
- …and 173 more: https://policylayer.com/tools/launch-on-basis-mcp-ts.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=launch-on-basis-mcp-ts · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/launch-on-basis-mcp-ts