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MCP Skill: Sequential Thinking

mcp-sequential-thinking

Use the sequential thinking MCP server (@modelcontextprotocol/server-sequential-thinking) to break down complex problems into ordered, testable steps; use when the task requires careful multi-step reasoning, risk reduction, or dependency-sensitive refactors.

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SKILL.md

Full skill instructions

MCP Skill: Sequential Thinking

Scope

Use the MCP server configured as sequentialthinking in .vscode/​mcp.json to produce step-by-step reasoning artifacts for complex changes.

Preconditions

  • Ensure .vscode/​mcp.json contains a server entry named sequentialthinking.

Operating Rules

  • Prefer short, ordered steps that can be validated locally.
  • Call out unknowns explicitly and convert them into concrete discovery steps (search files, read AGENTS, inspect type errors).
  • Keep the solution Occam-simple: avoid introducing new abstractions without a demonstrated need.

When To Use

  • Refactors crossing multiple modules (shell/​workspace/​capability/​eventing/​integration).
  • Any change that might impact DDD boundaries or the append-before-publish contract.
  • Debugging nondeterministic behavior (signals/​streams, event ordering).

Output Shape

  • A numbered sequence of actions.
  • Each action includes: target file(s), expected outcome, and how to verify (command or observation).

Prompt Templates

  • "Think sequentially about implementing <feature>. Identify risks (DDD boundaries, event causality, signals boundary) and produce a minimal step plan with verification per step."
  • "Given this error/​log: <paste>, produce an ordered debug plan with the smallest set of probes/​changes."