Entroly vs Obsidian MCP Server

A side-by-side look at the Entroly and Obsidian MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Entroly logoEntrolyKnowledge & Memory · Local subprocess (stdio)Auditable context control plane and MCP server for AI coding agents. Compresses context 70–95% (BM25 + entropy + dep-graph knapsack), stabilizes prompt prefixes for provider cache discounts, routes easy tasks to cheaper models (RAVS Bayesian router), and verifies answers locally with WITNESS hallucination guard (0.844 AUROC, $0, 3 ms). MemoryOS adds local budget-aware working/episodic/semantic memory with decay, safety scanning, and durable persistence. 38 agent integrations (Cursor, Claude Code, Codex, Aider, and more). Ships as MCP server (entroly serve), HTTP proxy, or Python/Rust library. Apache-2.0, local-first. pip install entroly65GreatAuth: no auth requiredObsidian MCP Server logoObsidian MCP ServerKnowledge & Memory · Local subprocess (stdio)MCP server for Obsidian vaults — read, write, search, and edit notes via the Local REST API plugin.65GreatAuth: not declared

Verdict: choose Entroly for knowledge & memory work as a local process; choose Obsidian MCP Server for knowledge & memory as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Entroly logoChoose Entroly when

  • You need dedicated capabilities in the Knowledge & Memory domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
Explore Entroly

Obsidian MCP Server logoChoose Obsidian MCP Server when

  • You need dedicated capabilities in the Knowledge & Memory domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: OBSIDIAN_API_KEY, OBSIDIAN_ENABLE_COMMANDS, OBSIDIAN_READ_PATHS, OBSIDIAN_DELETE_ELICITATION.
  • You want tools like obsidian_get_note, obsidian_list_notes, obsidian_list_tags.
Explore Obsidian MCP Server

Feature & specification comparison

Rows where the two servers differ are marked.

SpecEntroly logoEntrolyObsidian MCP Server logoObsidian MCP Server
CategoryKnowledge & MemoryKnowledge & Memory
Quality signal65/100 · Great65/100 · Great
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedOBSIDIAN_API_KEYOBSIDIAN_ENABLE_COMMANDSOBSIDIAN_READ_PATHSOBSIDIAN_DELETE_ELICITATION
Verified ownerCommunity listingCommunity listing
GitHub stars479700
Directory activity 4 views 0 installs 0 upvotes 5 views 0 installs 0 upvotes
ToolsNot listed14

Tools & capabilities

Entroly tools

No tool names declared yet. Check the project README from the listing page.

Obsidian MCP Server tools 14

  • obsidian_get_noteRead a note as raw content, full structured form, document map, or a single section
  • obsidian_list_notesList notes and folders under a vault path, recursively, with extension and name filters
  • obsidian_list_tagsList vault tags with usage counts, most-used first
  • obsidian_search_notesSearch by text, JSONLogic, or BM25-ranked Omnisearch when that plugin is reachable
  • obsidian_write_noteCreate a note, replace one section, or overwrite a whole file with `overwrite: true
  • obsidian_append_to_noteAppend to a note (creating it if missing) or to one heading, block, or frontmatter field
  • obsidian_patch_noteAppend, prepend, or replace against one heading, block reference, or frontmatter field
  • obsidian_replace_in_noteLiteral or regex search-replace inside one note, body-only by default
  • obsidian_manage_frontmatterGet, set, or delete one frontmatter key
  • obsidian_manage_tagsAdd, remove, or list a note's tags in frontmatter, inline, or both
  • obsidian_delete_notePermanently delete a note, optionally after the user confirms (`OBSIDIAN_DELETE_ELICITATION`)
  • obsidian_open_in_uiOpen a file in the Obsidian app, optionally in a new pane
  • +2 more on the listing page

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Entroly

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "juyterman1000-entroly": {
      "command": "npx",
      "args": [
        "-y",
        "entroly"
      ]
    }
  }
}

Obsidian MCP Server

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "obsidian-mcp-server": {
      "command": "bunx",
      "args": [
        "obsidian-mcp-server@latest"
      ],
      "env": {
        "OBSIDIAN_API_KEY": "YOUR_OBSIDIAN_API_KEY_HERE",
        "OBSIDIAN_ENABLE_COMMANDS": "YOUR_OBSIDIAN_ENABLE_COMMANDS_HERE",
        "OBSIDIAN_READ_PATHS": "YOUR_OBSIDIAN_READ_PATHS_HERE",
        "OBSIDIAN_DELETE_ELICITATION": "YOUR_OBSIDIAN_DELETE_ELICITATION_HERE"
      }
    }
  }
}

Frequently asked questions

Entroly is categorized under Knowledge & Memory and uses a local stdio subprocess. Obsidian MCP Server belongs to Knowledge & Memory and uses a local stdio subprocess. Pick Entroly for knowledge & memory work and Obsidian MCP Server for knowledge & memory.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Entroly is listed as free. Auth: no auth required. Obsidian MCP Server has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add juyterman1000-entroly and obsidian-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Entroly has a quality signal of 65/100 (Great) with 4 views, 0 installs and 479 GitHub stars. Obsidian MCP Server has 65/100 (Great) with 5 views, 0 installs and 700 GitHub stars.