Filesystem vs Zerno Lite

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

Filesystem logoFilesystemFile Systems · Local subprocess (stdio)Secure file operations with configurable access controls.85ExcellentAuth: no auth requiredZerno Lite logoZerno LiteProduct Management · Remote HTTP/SSEGive AI agents secure access to ZERNO project briefs, tasks, and context over remote MCP.48FairAuth: not declared

Verdict: choose Filesystem for file systems work as a local process; choose Zerno Lite for product management over a hosted endpoint. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Filesystem logoChoose Filesystem when

  • You need dedicated capabilities in the File Systems domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like path, head, tail.
Explore Filesystem

Zerno Lite logoChoose Zerno Lite when

  • You need dedicated capabilities in the Product Management domain.
  • You prefer a remote HTTP/SSE transport.
  • You want tools like zerno_get_project_brief, zerno_get_agent_context, zerno_list_tasks.
Explore Zerno Lite

Feature & specification comparison

Rows where the two servers differ are marked.

SpecFilesystem logoFilesystemZerno Lite logoZerno Lite
CategoryFile SystemsProduct Management
Quality signal85/100 · Excellent48/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Remote HTTP/SSE
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedNone listed
Verified owner VerifiedCommunity listing
GitHub stars91,5400
Directory activity 11 views 0 installs 0 upvotes 0 views 0 installs 0 upvotes
Tools178

Tools & capabilities

Filesystem tools 17

  • path
  • head
  • tail
  • paths
  • content
  • edits
  • oldText
  • newText
  • dryRun
  • sortBy
  • source
  • destination
  • +5 more on the listing page

Zerno Lite tools 8

  • zerno_get_project_briefno
  • zerno_get_agent_contextno
  • zerno_list_tasksno
  • zerno_get_taskno
  • zerno_update_taskmutates
  • zerno_submit_task_triagecreates proposals
  • zerno_create_agent_intake_taskcreates a task
  • zerno_capture_session_eventcreates memory event

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.

Filesystem

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem"
      ]
    }
  }
}

Zerno Lite

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "zerno-lite": {
      "url": "https://zerno.one/mcp"
    }
  }
}

Frequently asked questions

Filesystem is categorized under File Systems and uses a local stdio subprocess. Zerno Lite belongs to Product Management and uses a remote HTTP/SSE transport. Pick Filesystem for file systems work and Zerno Lite for product management.

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.

Filesystem is listed as free. Auth: no auth required. Zerno Lite 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 filesystem and zerno-lite as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Filesystem has a quality signal of 85/100 (Excellent) with 11 views, 0 installs and 91,540 GitHub stars. Zerno Lite has 48/100 (Fair) with 0 views, 0 installs and 0 GitHub stars.