Fiftyone MCP Server vs Pixlint

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

Fiftyone MCP Server logoFiftyone MCP ServerData Science Tools · Local subprocess (stdio)Control FiftyOne computer vision datasets through AI assistants using 80+ operators.56GoodAuth: no auth requiredPixlint logoPixlintData Science Tools · Local subprocess (stdio)Lint, curate & prepare computer-vision datasets from your AI assistant — MCP server, 67 tools37FairAuth: not declared

Verdict: choose Fiftyone MCP Server for data science tools work as a local process; choose Pixlint for data science tools as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Fiftyone MCP Server logoChoose Fiftyone MCP Server when

  • You need dedicated capabilities in the Data Science Tools domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like SDK, APP, SESSION.
Explore Fiftyone MCP Server

Pixlint logoChoose Pixlint when

  • You need dedicated capabilities in the Data Science Tools domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: CV_DATA_DIR.
Explore Pixlint

Feature & specification comparison

Rows where the two servers differ are marked.

SpecFiftyone MCP Server logoFiftyone MCP ServerPixlint logoPixlint
CategoryData Science ToolsData Science Tools
Quality signal56/100 · Good37/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedCV_DATA_DIR
Verified ownerCommunity listingCommunity listing
GitHub stars260
Directory activity 3 views 0 installs 0 upvotes 0 views 0 installs 0 upvotes
Tools3Not listed

Tools & capabilities

Fiftyone MCP Server tools 3

  • SDKData operations that work everywhere (datasets, aggregations, schema, samples, operators, plugins). No App connection needed.
  • APPControls the FiftyOne App UI in real time (set_view, open_panel, notify, select_samples, reload, and 25+ more). Requires a connected browser via `ctx.ops`.
  • SESSIONBootstrap tools for starting a local App server (launch_app). Used from terminal environments.

Pixlint tools

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

Fiftyone MCP Server

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "fiftyone-mcp-server": {
      "command": "uvx",
      "args": [
        "fiftyone-mcp-server"
      ]
    }
  }
}

Pixlint

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "pixlint": {
      "command": "uvx",
      "args": [
        "pixlint"
      ],
      "env": {
        "CV_DATA_DIR": "YOUR_CV_DATA_DIR_HERE"
      }
    }
  }
}

Frequently asked questions

Fiftyone MCP Server is categorized under Data Science Tools and uses a local stdio subprocess. Pixlint belongs to Data Science Tools and uses a local stdio subprocess. Pick Fiftyone MCP Server for data science tools work and Pixlint for data science tools.

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.

Fiftyone MCP Server is listed as free. Auth: no auth required. Pixlint 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 fiftyone-mcp-server and pixlint as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Fiftyone MCP Server has a quality signal of 56/100 (Good) with 3 views, 0 installs and 26 GitHub stars. Pixlint has 37/100 (Fair) with 0 views, 0 installs and 0 GitHub stars.