MCP server

Rtcf

io.github.hengkp/rtcf

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Turns rough requests into sharp Role/Task/Context/Format prompts. Thai and English.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

3

Token cost

About 803 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http rtcf https://rtcf.happlen.com/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.rtcf]
url = "https://rtcf.happlen.com/api/mcp"

Gemini CLI

{"mcpServers":{"rtcf":{"httpUrl":"https://rtcf.happlen.com/api/mcp"}}}

Cursor

{"mcpServers":{"rtcf":{"url":"https://rtcf.happlen.com/api/mcp"}}}

VS Code

{"servers":{"rtcf":{"type":"http","url":"https://rtcf.happlen.com/api/mcp"}}}

Antigravity

agy mcp add rtcf https://rtcf.happlen.com/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"rtcf","server_url":"https://rtcf.happlen.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"rtcf","server_url":"https://rtcf.happlen.com/api/mcp"}

Tools

• build_prompt ~205 tokens
  Compose a ready-to-use prompt from explicit Role, Task, Context, and Format parts. Use when the user already knows the pieces and wants them woven into one clean prompt.
• improve_followup ~319 tokens
  Write the user's NEXT message for an AI conversation that is already in progress (a follow-up). Use when the user wants to refine, deepen, or continue earlier work in this conversation. Do NOT use it for a brand-new task (use improve_prompt for that). Returns a short, ready-to-send continuation mess
• improve_prompt ~279 tokens
  Rewrite a rough prompt into a sharper, ready-to-use prompt structured as Role, Task, Context, Format (RTCF). Returns the improved prompt, its four parts, a short list of clarifying questions worth asking the user, and which model tier and effort level suit this kind of work. Use this before answerin

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