sequential-thinking

v1.0.3+codex.7c3499f14df1

MCP server exposing a single sequentialthinking tool for dynamic, reflective, step-by-step problem-solving. Use when a task needs structured reasoning, planning, hypothesis generation, branching to explore alternatives, or revising earlier steps while keeping a running chain of thoughts.

CodexClaude Code1 MCP serverstdio

By Alberto LealLicense: MIT22 GitHub starsUpdated 1 hour ago

Directory evidence

Runtimes: Codex and Claude Code
Parsed components: 1 skill or MCP entry
Source updated: Aug 28, 2026
Manifest status: Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install plugin

Installs for the current user

codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add sequential-thinking@agent-plugin-marketplace

Paste and run these commands in a terminal with Codex. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually

$ git clone https://github.com/dashed/claude-marketplace

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/sequential-thinking/.

Plugin files

plugins/sequential-thinking/

├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
└── .mcp.json

MCP servers1

sequential-thinkingstdio

command: uv
args: run --no-config --script scripts/mcp_sequential_thinking.py
cwd: .

Plugin manifests2

plugins/sequential-thinking/.codex-plugin/plugin.json

{
  "name": "sequential-thinking",
  "version": "1.0.3+codex.7c3499f14df1",
  "description": "MCP server exposing a single sequentialthinking tool for dynamic, reflective, step-by-step problem-solving. Use when a task needs structured reasoning, planning, hypothesis generation, branching to explore alternatives, or revising earlier steps while keeping a running chain of thoughts.",
  "author": {
    "name": "Alberto Leal"
  },
  "license": "MIT",
  "keywords": [
    "mcp",
    "sequential-thinking",
    "reasoning",
    "planning",
    "problem-solving",
    "reflection",
    "chain-of-thought"
  ],
  "interface": {
    "displayName": "Sequential Thinking",
    "shortDescription": "MCP server exposing a single sequentialthinking tool for dynamic, reflective, step-by-step problem-solving. Use when a task needs structured reasoning, planning, hypothesis...",
    "longDescription": "MCP server exposing a single sequentialthinking tool for dynamic, reflective, step-by-step problem-solving. Use when a task needs structured reasoning, planning, hypothesis generation, branching to explore alternatives, or revising earlier steps while keeping a running chain of thoughts.",
    "developerName": "Alberto Leal",
    "category": "Productivity",
    "capabilities": [
      "MCP"
    ],
    "defaultPrompt": [
      "Use the sequential-thinking MCP tools for this task."
    ]
  },
  "repository": "https://github.com/dashed/claude-marketplace/tree/master/plugins/sequential-thinking",
  "mcpServers": "./.codex-plugin/mcp.json"
}

plugins/sequential-thinking/.claude-plugin/plugin.json

{
  "name": "sequential-thinking",
  "version": "1.0.3",
  "description": "MCP server exposing a single `sequentialthinking` tool for dynamic, reflective, step-by-step problem-solving. Use when a task needs structured reasoning, planning, hypothesis generation, branching to explore alternatives, or revising earlier steps while keeping a running chain of thoughts.",
  "author": {
    "name": "Alberto Leal"
  },
  "license": "MIT",
  "keywords": [
    "mcp",
    "sequential-thinking",
    "reasoning",
    "planning",
    "problem-solving",
    "reflection",
    "chain-of-thought"
  ]
}