---
title: "Serve a published graph as an MCP endpoint — JSON-RPC tools/list + tools/call. Public graphs answer anonymous callers."
method: POST
path: "/mcp/serve/{slug}"
tags: ["mcp"]
---

# Serve a published graph as an MCP endpoint — JSON-RPC tools/list + tools/call. Public graphs answer anonymous callers.

`POST /mcp/serve/{slug}`

## Request

- Base URL: `https://api.livegraph.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.livegraph.ai/mcp/serve/{slug}`
- Auth: one of:
  - API key in cookie `livegraph_session`
  - API key in header `x-api-key`

## Path parameters

- `slug` string, required

## Response `200`

Success — see summary for the response shape.

## Other responses

- `4XX`: Client error — body is the shared {error, code?} envelope.

---

[API](https://skmtc.dev/livegraph/apis/livegraph-api.md) · [All operations](https://skmtc.dev/livegraph/apis/livegraph-api/llms.txt) · [OpenAPI document](https://skmtc.dev/livegraph/apis/livegraph-api/revisions/551085d7719e?raw)