# buy_orders_and_contract

Buy from order book + AMM in one transaction.

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

## Facts

- Tool: `buy_orders_and_contract`
- 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_orders_and_contract",
    "arguments": {}
  }
}
```

## Why buy_orders_and_contract is rated Critical

This tool executes real financial transactions by purchasing tokens from both an order book and an automated market maker (AMM) in a single on-chain transaction. This directly moves funds and commits financial obligations, placing it firmly in the Financial category. The blast radius is critical as misuse could result in significant, irreversible financial losses across two trading venues simultaneously.

From the tool's own definition: "'Buy from order book + AMM in one transaction' — performs actual token purchases combining order book and AMM trades, committing financial transactions on BNB Smart Chain"

## Use case

AI agents use buy_orders_and_contract 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_orders_and_contract": {
      "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_order` — Financial — https://policylayer.com/tools/launch-on-basis-mcp-ts/buy-order.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