---
title: "Attach Purchase To Agent"
method: POST
path: "/v1/agent-definitions/{def_id}/mcp-servers"
---

# Attach Purchase To Agent

`POST /v1/agent-definitions/{def_id}/mcp-servers`

## Request

- Base URL: `https://api.app.membase.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.app.membase.ai/v1/agent-definitions/{def_id}/mcp-servers`
- Auth: none declared

Attach a purchase this account holds to this agent, so it can call it as a tool.

## Path parameters

- `def_id` string, required

## Request body

- object

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error
- `default`: Error envelope (ADR 0027)

---

[API](https://skmtc.dev/membase/apis/membase-hosted-api.md) · [All operations](https://skmtc.dev/membase/apis/membase-hosted-api/llms.txt) · [OpenAPI document](https://skmtc.dev/membase/apis/membase-hosted-api/revisions/e0ac58cdb320?raw)