A structured reasoning server that enables step-by-step problem solving through sequential thinking. It helps break down complex challenges, refine ideas iteratively, and maintain logical context across multiple reasoning steps. Built to support clear, auditable decision-making workflows.
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This project provides a structured sequential thinking server designed to guide complex reasoning tasks through clear, ordered steps. It solves the problem of fragmented or opaque reasoning by making each thought explicit, traceable, and revisable. It is ideal for developers, analysts, and AI practitioners who need transparent multi-step reasoning.
- Breaks complex problems into ordered, manageable steps
- Supports revisions and branching during the reasoning process
- Maintains context across long or evolving problem spaces
- Encourages clarity, consistency, and logical flow
- Reduces noise by filtering irrelevant intermediate thoughts
| Feature | Description |
|---|---|
| Sequential Thought Flow | Guides reasoning through clearly numbered thinking steps. |
| Iterative Refinement | Allows revising or correcting earlier thoughts without losing context. |
| Branching Logic | Supports alternative reasoning paths from any step. |
| Context Preservation | Maintains full reasoning history across long sessions. |
| Flexible Integration | Designed for use in planning, analysis, and design workflows. |
| Field Name | Field Description |
|---|---|
| thought | Text content of the current reasoning step. |
| thoughtNumber | Index of the current thought in the sequence. |
| totalThoughts | Estimated number of total thoughts required. |
| nextThoughtNeeded | Indicates whether further reasoning is required. |
| isRevision | Flags whether the thought revises a previous step. |
| revisesThought | References the thought number being revised. |
| branchFromThought | Identifies the branching point for alternative reasoning. |
| branchId | Unique identifier for a reasoning branch. |
[
{
"thought": "Define the core problem and constraints.",
"thoughtNumber": 1,
"totalThoughts": 4,
"nextThoughtNeeded": true,
"isRevision": false
},
{
"thought": "Explore possible solution approaches.",
"thoughtNumber": 2,
"totalThoughts": 4,
"nextThoughtNeeded": true,
"isRevision": false
}
]
SequentialThinking MCP Server/
├── src/
│ ├── server.ts
│ ├── handlers/
│ │ ├── sequentialThinking.ts
│ │ └── branchingLogic.ts
│ ├── models/
│ │ └── thought.ts
│ ├── utils/
│ │ └── validators.ts
│ └── config/
│ └── settings.example.json
├── data/
│ └── sample-output.json
├── package.json
├── tsconfig.json
└── README.md
- Product managers use it to structure planning discussions, so they can reach clearer decisions.
- Developers use it to design complex systems, so they can track assumptions and revisions.
- Analysts use it to document reasoning paths, so insights remain transparent and auditable.
- AI practitioners use it to guide multi-step agent reasoning, so outputs stay consistent and explainable.
- Researchers use it to explore hypotheses, so alternative branches are preserved and comparable.
Does this server enforce a fixed number of reasoning steps? No, the total number of thoughts is flexible and can be adjusted dynamically as the problem evolves.
Can earlier thoughts be corrected or revised? Yes, the system explicitly supports revisions, allowing previous thoughts to be updated while preserving history.
Is branching optional or required? Branching is optional and only used when exploring alternative reasoning paths is beneficial.
What types of tasks is this best suited for? It works best for planning, analysis, design, and any task requiring transparent multi-step reasoning.
Primary Metric: Handles multi-step reasoning flows with consistent response times under typical analytical workloads.
Reliability Metric: Maintains stable reasoning state across long sessions with a high success rate in context preservation.
Efficiency Metric: Processes sequential thought updates with minimal overhead, enabling smooth iterative refinement.
Quality Metric: Delivers high reasoning clarity by preserving structured, complete, and traceable thought sequences.
