server-sequential-thinking-ultra

server-sequential-thinking-ultra is an MCP server for Claude Code, Codex, Cursor, Gemini CLI, OpenCode from hyokunkwak/Sequential-thinking-ultra-mcp. Its token cost is not measured, scanned A, original, MIT.

A local MCP server designed to help an AI assistant work through problems in a sequence of smaller reasoning steps.

In plain words
What is it for?
It is for connecting sequential-thinking tools to an MCP-compatible AI client. The setup runs the server locally with npm.
Why use it?
It provides a structured way to handle tasks that are easier to solve step by step than all at once.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

Written for no agent in particular: it speaks MCP, so any client can run it.

Good fit It is for connecting sequential-thinking tools to an MCP-compatible AI client. The setup runs the server locally with npm.

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Install with agentmods
npx agentmods add mcp/hyokunkwak/sequential-thinking-ultra-mcp/server-sequential-thinking-ultra
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/hyokunkwak/Sequential-thinking-ultra-mcp

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for server-sequential-thinking-ultra

README.md
[![agentmods](https://agentmods.dev/badge/mcp/hyokunkwak/sequential-thinking-ultra-mcp/server-sequential-thinking-ultra.svg)](https://agentmods.dev/mcp/hyokunkwak/sequential-thinking-ultra-mcp/server-sequential-thinking-ultra)
Your own site
<a href="https://agentmods.dev/mcp/hyokunkwak/sequential-thinking-ultra-mcp/server-sequential-thinking-ultra"><img src="https://agentmods.dev/badge/mcp/hyokunkwak/sequential-thinking-ultra-mcp/server-sequential-thinking-ultra.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

server-sequential-thinking-ultra scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

listed in the official MCP registry · 9 lines

What it actually says

{ "server-sequential-thinking-ultra": { "command": "npx", "args": [ "-y", "@modelcontextprotocol/server-sequential-thinking-ultra" ] } }

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 8d ago First seen · 9 lines scan A 86bfb0c7e6c9

Subscribe to this mod's changes

server-sequential-thinking-ultra is an MCP server published in the GitHub repository hyokunkwak/Sequential-thinking-ultra-mcp (7 stars, last pushed 1y ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.