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Sequential Thinking MCP

skipRedshift — losing momentum

Official sequential-thinking MCP — a loop that spends tokens to look like reasoning.

Visit github.com →Add to kitOpen in Noemium

ledger entry · observed by @whysanesanders

A stdio loop that asks the model to emit thought / nextThoughtNeeded / thoughtNumber. The model already thinks. This bills extra tokens for a ritual. Keep it off the default mcp.json.

Strengths

  • Official reference, MIT, one npx line.
  • Visible thought steps in the host inspector if you are debugging a prompt.

Known limitations

  • Each "thought" is another model round-trip you pay for.
  • Does not add tools, files, or a browser — only a structured monologue.
  • Easy to cargo-cult into every mcp.json because the name sounds serious.

Use it when

  • Teaching someone what an MCP tool call looks like, not for production work.
  • A host inspector demo of repeated tool calls.

Skip it when

  • You want better answers — spend the tokens on the task, not on a thinking costume.
  • The agent already plans (Claude, Codex, Cursor agent).
  • You are paying API rates and this would sit in every session.

Price trailchangelog →

No price move in this repo yet.

Facts

pricing
free1
price note
MIT reference; npx -y @modelcontextprotocol/server-sequential-thinking
free tier
yes
open source
yes
api
no
self-host
yes
category
mcp
evidence
source-verified

Data: trains on inputs unknown · local processing yes

Sources

  1. 1github.com/modelcontextprotocol/servers/tree/main/src/sequentialthinking[snapshot]

No source, no number.

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