sequential-thinking

A local tool for breaking a problem into ordered reasoning steps that can be revisited. The agent can call it while working through a task.

In plain words
What is it for?
Planning multi-step coding work, checking assumptions, and revising a solution as new information appears.
Why use it?
It gives complex tasks a visible structure and makes earlier reasoning easier to review or change.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

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.

agentmods
npx agentmods add mcp/tosssssy/mcp-server-debug-thinking/sequential-thinking
Clone the repo
git clone --depth 1 https://github.com/tosssssy/mcp-server-debug-thinking

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

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. Scan, not verified.
Origin 100% copy Near-identical to another mod in the catalogue.
Security

Grade A, and why

sequential-thinking 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 2d 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.

Origin

This is a copy

100% identical to sequential-thinking — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.mcp.json · 9 lines

What it actually says

{
  "sequential-thinking": {
    "command": "npx",
    "args": [
      "-y",
      "@modelcontextprotocol/server-sequential-thinking"
    ]
  }
}
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. 2d ago First seen · 9 lines scan A 2d881ac66e6b

Subscribe to this mod's changes

sequential-thinking is an MCP server published in the GitHub repository tosssssy/mcp-server-debug-thinking (4 stars, last pushed 7mo 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. It is 100% identical to sequential-thinking, differing in 0 lines, and is treated as a copy.