Envia um e-mail transacional e aguarda o status de entrega final (polling automático por até ~10s). Executa pre-flight automático antes do envio: valida definition, asset, content blocks, campos isRequired da DE, atributos AMPscript, RaiseError guards e normaliza nomes contra a DE. Se houver erro...
Part of the Ljit Mcp Sfmc server.
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AI agents use txn_send_email_and_check to create or modify resources in Ljit Mcp Sfmc. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call txn_send_email_and_check repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Ljit Mcp Sfmc.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"txn_send_email_and_check": {
"limits": [
{
"counter": "txn_send_email_and_check_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Ljit Mcp Sfmc policy for all 40 tools.
These attack patterns abuse exactly the kind of access txn_send_email_and_check gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Envia um e-mail transacional e aguarda o status de entrega final (polling automático por até ~10s). Executa pre-flight automático antes do envio: valida definition, asset, content blocks, campos isRequired da DE, atributos AMPscript, RaiseError guards e normaliza nomes contra a DE. Se houver erros bloqueantes, retorna sent=false com o relatório de pre-flight sem enviar. Retorna preflight + resultado do envio + status consolidado em uma única chamada. O messageKey é opcional e será gerado automaticamente se não informado.. It is categorised as a Write tool in the Ljit Mcp Sfmc MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Ljit Mcp Sfmc MCP server in PolicyLayer and add a rule for txn_send_email_and_check: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Ljit Mcp Sfmc. Nothing to install.
txn_send_email_and_check is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the txn_send_email_and_check rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for txn_send_email_and_check. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
txn_send_email_and_check is provided by the Ljit Mcp Sfmc MCP server (ljit-mcp-sfmc). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 40 Ljit Mcp Sfmc tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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