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classifier.dev

connects

Sort up to 1,000 texts into your own labels with a calibrated confidence per answer. No API key.

https://classifier.dev/mcpWebsiteNo authMCP 2025-11-25v1.0.0last checked 21 Oct 2026spoke MCP on 100% of 88 checks (30 days)initialize in 240 ms

Last checked 21 Oct 2026

✓Answered the MCP handshake (MCP 2025-11-25)
✓Auth detected: No auth
✓Lists 5 tools
✓No blockers or warnings
✓Spoke MCP on 88 of 88 checks (30 days)

Will my client connect?

Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.

✓Claude CodeConnects

The endpoint answers an anonymous handshake, so no credential is needed.

claude mcp add --transport http classifier-dev https://classifier.dev/mcp

Claude Code docs · read on 2026-08-30

✓Claude (claude.ai & Desktop)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Connectors → Add custom connector, then paste https://classifier.dev/mcp.

Claude (claude.ai & Desktop) docs · read on 2026-08-30

✓ChatGPTConnects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Apps → Advanced settings → Developer mode, then create a connector pointing at https://classifier.dev/mcp.

ChatGPT docs · read on 2026-08-30

✓CursorConnects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "mcpServers": {
    "classifier-dev": {
      "url": "https://classifier.dev/mcp"
    }
  }
}

Cursor docs · read on 2026-08-30

✓VS Code (Copilot)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "servers": {
    "classifier-dev": {
      "type": "http",
      "url": "https://classifier.dev/mcp"
    }
  }
}

VS Code (Copilot) docs · read on 2026-08-30

How to authenticate

Checked against the endpoint by our probe on 21 Oct 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme	No auth
Protected-resource metadata	✓Published (RFC 9728)
Anonymous access	Handshake succeeds; 5 tools listable
Documentation	https://classifier.dev/auth.md

Tools

classify_dimensionsclassify_multi_labelclassify_textscount_labelsreview_uncertain

Contract history

4 Oct 2026v1.0.05 compatibleinstructions rewritten

Instructions rewritten: classify_dimensions, classify_multi_label, classify_texts, count_labels, review_uncertain. The description an agent follows changed; the callable contract may not have.

24 Sep 2026v1.0.03 breakinginstructions rewritten

Breaking: classify_dimensions, classify_multi_label, classify_texts

Instructions rewritten: classify_dimensions, classify_multi_label, classify_texts. The description an agent follows changed; the callable contract may not have.

24 Sep 2026v1.0.01 cosmetic

23 Sep 2026v1.0.03 compatible

21 Sep 2026v1.0.03 compatible

20 Sep 2026v1.0.03 compatibleinstructions rewritten

Instructions rewritten: classify_texts. The description an agent follows changed; the callable contract may not have.

20 Sep 2026v1.0.02 cosmetic

19 Sep 2026v1.0.01 compatible

19 Sep 2026v1.0.0first recorded contract

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Status badge

Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.

[![MCP status](https://mcpi.app/servers/classifier-dev/badge.svg)](https://mcpi.app/servers/classifier-dev)