---
title: "Hosted MCP server (Streamable HTTP, JSON-RPC): initialize, tools/list, tools/call for every endpoint; free tools work directly, paid tools return the x402 challenge unless the request carries PAYMENT-SIGNATURE"
method: POST
path: "/mcp"
tags: ["Discovery"]
---

# Hosted MCP server (Streamable HTTP, JSON-RPC): initialize, tools/list, tools/call for every endpoint; free tools work directly, paid tools return the x402 challenge unless the request carries PAYMENT-SIGNATURE

`POST /mcp`

## Request

- Base URL: `https://agent.connskill.com` (the document declares no server; this is the origin it was published from)
- URL: `https://agent.connskill.com/mcp`
- Auth: none required

## Request body

- object
  - `jsonrpc` string, required
  - `id` unknown
  - `method` string, required
  - `params` object

## Response `200`

JSON-RPC response

## Other responses

- `202`: notification accepted

---

[API](https://skmtc.dev/connskill/apis/connskill-growth-services.md) · [All operations](https://skmtc.dev/connskill/apis/connskill-growth-services/llms.txt) · [OpenAPI document](https://skmtc.dev/connskill/apis/connskill-growth-services/revisions/aae873ea0805?raw)