Clear Thought Server

平台与服务

by chirag127

借助系统化思考、mental models 与调试方法增强解题能力,为复杂挑战提供结构化推理与决策支持,并可集成到兼容 MCP 的客户端工作流中。

什么是 Clear Thought Server

借助系统化思考、mental models 与调试方法增强解题能力,为复杂挑战提供结构化推理与决策支持,并可集成到兼容 MCP 的客户端工作流中。

核心功能 (11 个工具)

sequentialthinking

A detailed tool for dynamic and reflective problem-solving through thoughts. This tool helps analyze problems through a flexible thinking process that can adapt and evolve. Each thought can build on, question, or revise previous insights as understanding deepens. When to use this tool: - Breaking down complex problems into steps - Planning and design with room for revision - Analysis that might need course correction - Problems where the full scope might not be clear initially - Problems that require a multi-step solution - Tasks that need to maintain context over multiple steps - Situations where irrelevant information needs to be filtered out You should: 1. Start with an initial estimate of needed thoughts, but be ready to adjust 2. Feel free to question or revise previous thoughts 3. Don't hesitate to add more thoughts if needed, even at the "end" 4. Express uncertainty when present 5. Mark thoughts that revise previous thinking or branch into new paths 6. Ignore information that is irrelevant to the current step 7. Generate a solution hypothesis when appropriate 8. Verify the hypothesis based on the Chain of Thought steps 9. Repeat the process until satisfied with the solution 10. Provide a single, ideally correct answer as the final output 11. Only set next_thought_needed to false when truly done and a satisfactory answer is reached

mentalmodel

A tool for applying structured mental models to problem-solving. Supports various mental models including: - First Principles Thinking - Opportunity Cost Analysis - Error Propagation Understanding - Rubber Duck Debugging - Pareto Principle - Occam's Razor Each model provides a systematic approach to breaking down and solving problems.

designpattern

A tool for applying design patterns to software architecture and implementation. Supports various design patterns including: - Modular Architecture - API Integration Patterns - State Management - Asynchronous Processing - Scalability Considerations - Security Best Practices - Agentic Design Patterns Each pattern provides a structured approach to solving common design challenges.

programmingparadigm

A tool for applying different programming paradigms to solve problems. Supports various programming paradigms including: - Imperative Programming - Procedural Programming - Object-Oriented Programming - Functional Programming - Declarative Programming - Logic Programming - Event-Driven Programming - Aspect-Oriented Programming - Concurrent Programming - Reactive Programming Each paradigm provides a different approach to structuring and executing code.

debuggingapproach

A tool for applying systematic debugging approaches to solve technical issues. Supports various debugging methods including: - Binary Search - Reverse Engineering - Divide and Conquer - Backtracking - Cause Elimination - Program Slicing Each approach provides a structured method for identifying and resolving issues.

collaborativereasoning

A detailed tool for simulating expert collaboration with diverse perspectives. This tool helps models tackle complex problems by coordinating multiple viewpoints. It provides a framework for structured collaborative reasoning and perspective integration.

decisionframework

A detailed tool for structured decision analysis and rational choice. This tool helps models systematically evaluate options, criteria, and outcomes. It supports multiple decision frameworks, probability estimates, and value judgments.

metacognitivemonitoring

A detailed tool for systematic self-monitoring of knowledge and reasoning quality. This tool helps models track knowledge boundaries, claim certainty, and reasoning biases. It provides a framework for metacognitive assessment across various domains and reasoning tasks.

scientificmethod

A detailed tool for applying formal scientific reasoning to questions and problems. This tool guides models through the scientific method with structured hypothesis testing. It enforces explicit variable identification, prediction making, and evidence evaluation.

structuredargumentation

A detailed tool for systematic dialectical reasoning and argument analysis. This tool helps analyze complex questions through formal argumentation structures. It facilitates the creation, critique, and synthesis of competing arguments.

visualreasoning

A tool for visual thinking, problem-solving, and communication. This tool enables models to create, manipulate, and interpret diagrams, graphs, and other visual representations. It supports various visual elements and operations to facilitate insight generation and hypothesis testing.

README

Clear Thought MCP Server

Systematic thinking, mental models, and debugging approaches — as MCP tools for any AI client.

License: MIT GitHub stars Last commit TypeScript Node.js CI smithery

What it is / why it exists

An MCP server that gives an AI assistant a toolbox of structured reasoning frameworks — mental models, design patterns, systematic debugging, decision analysis, the scientific method, and more — so it reasons deliberately instead of improvising. Each mode is an explicit, inspectable tool the model calls, with typed (Zod-validated) inputs and a formatted, chain-of-thought-friendly response.

Twelve tools, one server, zero required configuration.

Links

⭐ If this is useful, please star the repo — it helps others find it.

Architecture

mermaid
flowchart LR
    Client["MCP Client<br/>(Claude, Cursor, opencode, ...)"]
    subgraph Server["clear-thought-mcp-server"]
        direction TB
        T1["sequentialthinking"]
        T2["mentalmodel"]
        T3["designpattern"]
        T4["programmingparadigm"]
        T5["debuggingapproach"]
        T6["collaborativereasoning"]
        T7["decisionframework"]
        T8["metacognitivemonitoring"]
        T9["scientificmethod"]
        T10["structuredargumentation"]
        T11["visualreasoning"]
        T12["stochasticthinking"]
    end
    Client -->|"Streamable HTTP (MCP 2.0) /mcp<br/>or stdio"| Server
    Server -->|"formatted reasoning result"| Client

Tools

ToolWhat it does
sequentialthinkingDynamic, reflective step-by-step problem solving with revisions & branches
mentalmodelApply a named model (first principles, Occam's razor, Pareto, opportunity cost, error propagation, rubber duck)
designpatternSoftware architecture patterns (modular, API integration, state, async, scalability, security, agentic)
programmingparadigmReason through imperative / OO / functional / reactive / concurrent … paradigms
debuggingapproachSystematic debugging (binary search, reverse engineering, divide & conquer, backtracking, cause elimination, program slicing)
collaborativereasoningSimulate a panel of expert personas with diverse perspectives
decisionframeworkStructured decision analysis and rational choice
metacognitivemonitoringSelf-monitor knowledge boundaries and reasoning quality
scientificmethodFormal hypothesis → experiment → analysis loop
structuredargumentationDialectical reasoning — claims, rebuttals, synthesis
visualreasoningCreate/manipulate diagrams and visual representations
stochasticthinkingProbabilistic reasoning over uncertain problems

Features

  • 12 reasoning tools, each with a typed Zod input schema and formatted output
  • Two transports: stdio (local clients) and Streamable HTTP (MCP 2.0, remote)
  • Zero required configuration — no keys, no state, no external calls
  • Installable via npx, Smithery, or the hosted endpoint

Tech stack

  • TypeScript + Node.js (ESM, >=18)
  • @modelcontextprotocol/sdk ^1.29
  • zod for input validation, chalk for formatting
  • vitest for tests, tsc build

Repo structure

code
Clear-Thought-MCP-server/
├── src/
│   ├── index.ts              # server bootstrap, tool registration, stdio + HTTP transports
│   ├── models/interfaces.ts  # shared TypeScript interfaces
│   └── tools/                # one module per reasoning tool (mentalModelServer.ts, ...)
├── dist/                     # compiled JS (tsc output)
├── test/                     # vitest suites
├── Dockerfile                # container image
├── smithery.yaml             # Smithery deploy config
└── package.json

Quick start

Run with npx (stdio)

bash
npx clear-thought-mcp-server

Install via Smithery

bash
npx -y @smithery/cli install @chirag127/clear-thought-mcp-server --client claude

MCP client config

Hosted (Streamable HTTP):

json
{
  "mcpServers": {
    "clear-thought": {
      "url": "https://clear-thought-mcp-server.oriz.in/mcp"
    }
  }
}

Local (stdio via npx):

json
{
  "mcpServers": {
    "clear-thought": {
      "command": "npx",
      "args": ["-y", "clear-thought-mcp-server"]
    }
  }
}

Run the HTTP transport yourself

bash
npm install
npm run build
HTTP_PORT=3779 npm start   # serves Streamable HTTP at http://localhost:3779/mcp

Register it

Configuration

No configuration is required. Optional environment variables:

VariablePurpose
HTTP_PORTPort for the Streamable HTTP transport (default 3779)

Part of the oriz family

One of ~80 sites and tools in the oriz family. It reasons; the Stochastic Thinking MCP Server handles probabilistic decision-making, and knowledge-mcp serves the knowledge base.

Contributing

Issues and PRs welcome. Conventional commits are the changelog.

License

MIT — see LICENSE.

Author

Chirag Singhal · chirag@oriz.in · @chirag127

Status

Stable (v1.1.2). Roadmap: more mental models, richer visual-reasoning output.

常见问题

Clear Thought Server 是什么?

借助系统化思考、mental models 与调试方法增强解题能力,为复杂挑战提供结构化推理与决策支持,并可集成到兼容 MCP 的客户端工作流中。

Clear Thought Server 提供哪些工具?

提供 11 个工具,包括 sequentialthinking、mentalmodel、designpattern

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