DirectoryMCP serversProductivity & documents

rtcf: MCP server (Productivity & documents) in 2026

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

Verified working on 2026-10-27 Rank 8 of 60 in Productivity & documents. Source: MCP Registry record, checked 2026-10-27.

Key facts

TypeMCP server, remote (streamable HTTP)
CategoryProductivity & documents
Endpointhttps://rtcf.happlen.com/api/mcp
Registry nameio.github.hengkp/rtcf
Version (registry)1.0.0
Published in registry2026-07-12
Registry record updated2026-07-12
Repositoryhttps://github.com/hengkp/rtcf-mcp
Websitehttps://rtcf.happlen.com
AuthenticationNone needed for initialize and tools/list (checked anonymously)
Latest checkUp on 2026-10-27, 189 ms to initialize
Tools listed3
Checks passed1 of 1 daily checks
Last verified working2026-10-27
Sourcehttps://registry.modelcontextprotocol.io/v0/servers/io.github.hengkp%2Frtcf/versions/latest (pulled 2026-10-27)

Tools (3)

improve_prompt, improve_followup, build_prompt

Verification history

One probe a day: initialize, then tools/list, nothing else. Last 1 checks: 10-27 up

Install

Claude Code
claude mcp add --transport http rtcf https://rtcf.happlen.com/api/mcp
Claude (claude.ai, Desktop)

Settings > Connectors > Add custom connector. Name: rtcf. URL: https://rtcf.happlen.com/api/mcp

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

Save as ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

ChatGPT

Settings > Connectors > Advanced > Developer mode, then Create. Name: rtcf. MCP server URL: https://rtcf.happlen.com/api/mcp. Authentication: No authentication.

Custom connectors need a plan with Developer mode; menu names change between releases.

Hermes Agent
mcp_servers:
  rtcf:
    url: "https://rtcf.happlen.com/api/mcp"

Add to ~/.hermes/config.yaml, then run /reload-mcp.

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rtcf: MCP server (Productivity & documents) in 2026 · Vibe Shipped