Documentation

buy_security

buy_security MCP tool reference, parameters, return type, and safety hints.

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What it does

Records security in the local Clovis ledger.

Signature(account_id: string, symbol: string, shares: number, total_cost_cents: number, date: string, commission_cents?: number, status?: string, asset_id?: string | null, dry_run?: boolean) => Record<string, unknown>
can writedry-run

Can write, but supports dry-run. Ask the agent to preview the result before committing changes.

When to use it

Use this section to decide whether the tool fits the user request before calling it.

Use it when an agent needs to prepare a change and show a preview before committing it.
Use it for assets, prices, holdings, securities, investment activity, or foreign-exchange movement.

Before calling

Agents should gather these facts or confirmations first.

1

Have exact values for required inputs: account_id, symbol, shares, total_cost_cents, date.

2

Start with dry_run=true, show the preview, then ask before applying the change.

3

State the intended ledger change in plain language before calling the tool.

Parameters

Required inputs are marked clearly. Optional inputs can usually be omitted unless the workflow needs them.

account_idrequired
string

Ledger account id or resolvable account reference.

symbolrequired
string

Input used by this tool.

sharesrequired
number

Numeric value used by this workflow.

total_cost_centsrequired
integer

Numeric value used by this workflow.

daterequired
string

Ledger date in YYYY-MM-DD format.

commission_centsoptional
integer

Numeric value used by this workflow.

Default: 0
statusoptional
string

Transaction status filter or value: posted, pending, planned, or void.

Default: "posted"
asset_idoptional
string | null

Asset or currency id used by the ledger.

Default: null

Agent call shape

Use the exact tool name and pass arguments as structured JSON through the MCP client.

buy_security

Copy this shape into agent instructions, evals, or MCP client tests.

{
  "tool": "buy_security",
  "arguments": {
    "account_id": "<account_id>",
    "symbol": "<symbol>",
    "shares": 1,
    "total_cost_cents": 1,
    "date": "2026-06-01"
  }
}

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