Syncpen MCP Server

The markdown workspace your AI can read, search, and suggest edits in — every change signed.

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What is the Syncpen MCP server?

Most developer tooling work still happens through a UI a human drives. Syncpen MCP server moves it into the conversation instead. The markdown workspace your AI can read, search, and suggest edits in — every change signed.

The short version

The tools it exposes

The server publishes 14 tools. What each one is for:

  • syncpen_search — Search documents by title and body content (full text)
  • syncpen_read — Read a document's content as markdown
  • syncpen_list_folders — List all folders
  • syncpen_list_documents — List documents, optionally by folder
  • syncpen_create — Create a new document
  • syncpen_update — Update a document's title and/or content
  • syncpen_suggest_edit — Propose an edit as a pending suggestion a human accepts/rejects (doc unchanged until accepted)
  • syncpen_list_suggestions — List a document's pending (or all) suggestions
  • syncpen_list_comments — Read comment threads (with replies, line numbers, authors)
  • syncpen_reply_comment — Reply to a comment thread (signed, notifies @mentions)
  • syncpen_resolve_comment — Mark a comment thread resolved
  • syncpen_move_document — Move a document into a folder, or to the root

What it needs from you

Configuration is passed through the environment: SYNCPEN_API_KEY, SYNCPEN_API_URL. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Getting it running

The server ships on npm as npm, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

How it compares

This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Syncpen's toolset — syncpen_search, syncpen_read, syncpen_list_folders and 11 more — is a fair guide to whether it matches your workflow. It is maintained by airbuzz; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • With 14 tools registered it takes up a noticeable share of the context window; turn it off in projects that never touch Syncpen.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
syncpen_searchSearch documents by title and body content (full text)
syncpen_readRead a document's content as markdown
syncpen_list_foldersList all folders
syncpen_list_documentsList documents, optionally by folder
syncpen_createCreate a new document
syncpen_updateUpdate a document's title and/or content
syncpen_suggest_editPropose an edit as a pending suggestion a human accepts/rejects (doc unchanged until accepted)
syncpen_list_suggestionsList a document's pending (or all) suggestions
syncpen_list_commentsRead comment threads (with replies, line numbers, authors)
syncpen_reply_commentReply to a comment thread (signed, notifies @mentions)
syncpen_resolve_commentMark a comment thread resolved
syncpen_move_documentMove a document into a folder, or to the root
syncpen_delete_documentDelete a document (moved to trash)
syncpen_create_folderCreate a folder (optionally nested)

How to install the Syncpen MCP server

{
  "mcpServers": {
    "syncpen": {
      "command": "npx",
      "args": ["-y", "syncpen-mcp"],
      "env": {
        "SYNCPEN_API_KEY": "sp_your_api_key_here"
      }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
SYNCPEN_API_KEYCredential the server authenticates with.Yes
SYNCPEN_API_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • Use Syncpen to syncpen search.
  • Use Syncpen to syncpen read.
  • Use Syncpen to syncpen list folders.

Frequently asked questions

It connects Syncpen to MCP-compatible AI assistants such as Claude and Cursor, exposing 14 tools (syncpen_search, syncpen_read, syncpen_list_folders, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Syncpen directly.