# Sentor MCP Server
**Entity-based sentiment analysis for Claude, Cursor, Windsurf, and any MCP-compatible AI assistant.**
[](https://pypi.org/project/sentor-mcp/)
[](https://pypi.org/project/sentor-mcp/)
[](https://opensource.org/licenses/MIT)
[](https://github.com/NIKX-Tech/sentor-mcp/stargazers)
[](https://sentor.app)
[](https://dashboard.sentor.app/settings?tab=api-access)
[](https://sentor.app/docs/integrations/mcp)
Sentor is an entity-based sentiment analysis platform powered by fine-tuned BERT models. This MCP server exposes Sentor's ML APIs as tools your AI assistant can call directly — score sentiment toward specific entities in text, cluster documents by topic, and generate topic labels, all from a single natural-language prompt.
---
## Table of Contents
- [What It Does](#-what-it-does)
- [Requirements](#-requirements)
- [Quick Start](#-quick-start)
- [Claude Desktop](#claude-desktop)
- [Cursor / Windsurf](#cursor--windsurf)
- [Claude.ai Web (Remote MCP)](#claudeai-web-remote-mcp)
- [Tools Reference](#-tools-reference)
- [Usage Examples](#-usage-examples)
- [Rate Limits](#-rate-limits)
- [Remote Deployment](#-remote-deployment)
- [Links](#-links)
---
## 🎯 What It Does
Once connected, your AI assistant gains four tools:
| Tool | What it does |
|------|-------------|
| `analyze_sentiment` | Score sentiment toward named entities (brands, products, features, people) in one or more documents. Returns per-document and per-sentence breakdowns. |
| `cluster_documents` | Group 5+ documents into thematic clusters using BERTopic + HDBSCAN. Automatically discovers the number of clusters. |
| `name_topic` | Generate a 3–5 word descriptive label for each cluster using an LLM (e.g. "Shipping Delay Complaints"). |
| `health_check` | Verify the Sentor API is reachable and ML models are loaded. |
**Example prompt after setup:**
> *"Analyse these 50 customer reviews for sentiment toward our checkout flow and delivery speed. Then cluster them by topic and name each cluster."*
---
## 📋 Requirements
- Python 3.10+
- A Sentor API key — [get one free at dashboard.sentor.app](https://dashboard.sentor.app/settings?tab=api-access)
---
## 🚀 Quick Start
### Claude Desktop
**macOS:** `~/Library/Application Support/Claude/claude_desktop_config.json`
**Windows:** `%APPDATA%\Claude\claude_desktop_config.json`
```json
{
"mcpServers": {
"sentor": {
"command": "uvx",
"args": ["sentor-mcp"],
"env": {
"SENTOR_API_KEY": "your_api_key_here"
}
}
}
}
```
Restart Claude Desktop. A hammer icon appears in the tool selector — Sentor is ready.
> **No `uvx`?** Install it with `pip install uv`, or use `sentor-mcp` directly after `pip install sentor-mcp`.
---
### Cursor / Windsurf
Add to `.cursor/mcp.json` (project-level) or `~/.cursor/mcp.json` (global):
```json
{
"mcpServers": {
"sentor": {
"command": "uvx",
"args": ["sentor-mcp"],
"env": {
"SENTOR_API_KEY": "your_api_key_here"
}
}
}
}
```
---
### Claude.ai Web (Remote MCP)
Run the HTTP server and connect by URL:
```bash
docker run -e SENTOR_API_KEY=your_api_key -p 8080:8080 ghcr.io/nikx-tech/sentor-mcp:latest
```
Then in Claude.ai → Settings → Integrations → Add MCP Server:
```
http://your-server:8080/sse
```
---
## 🔧 Tools Reference
### `analyze_sentiment(docs, language="en")`
Analyse entity-level sentiment in one or more documents.
```python
docs = [
{
"doc_id": "review-1",
"doc": "The delivery was fast but the packaging was completely crushed.",
"entities": ["delivery", "packaging"]
}
]
# Returns: predicted_label, probabilities, per-sentence details
```
**Supported languages:** `en` (English), `nl` (Dutch)
---
### `cluster_documents(documents, language="en")`
Group documents into thematic clusters. Requires at least 5 documents.
```python
documents = [
{"doc_id": "r1", "text": "Great product quality, very happy.", "entities": ["product"]},
# ... at least 5 documents
]
# Returns: clusters with cluster_id, document_count, documents, top_words
# Cluster -1 = outliers that did not fit any topic
```
---
### `name_topic(cluster_id, documents, top_words, entities, language="en")`
Generate a short label for a cluster. Pass data directly from `cluster_documents` output.
```python
name_topic(
cluster_id=0,
documents=cluster["documents"],
top_words=cluster["top_words"],
entities=["BrandName"], # exclude your brand from the label
language="en"
)
# Returns: { "topic_name": "Shipping Delay Complaints", "generation_method": "LLM" }
```
---
### `health_check()`
```python
# Returns: { "status": "healthy", "version": "1.0.0", "llm_status": "available" }
```
---
## 💬 Usage Examples
**Single document:**
> *"Use Sentor to analyse the sentiment of this review toward Apple and iPhone: [paste text]"*
**Batch analysis:**
> *"I have 100 customer reviews. Use Sentor to score sentiment toward 'delivery' and 'support' in each one, then tell me the ratio of positive to negative."*
**Full pipeline:**
> *"Use Sentor to: 1) analyse sentiment in these 200 reviews for 'product quality' and 'price', 2) cluster them by topic, 3) name each cluster, 4) summarise the findings."*
**Competitive analysis:**
> *"Analyse these tweets for sentiment toward Apple, Samsung, and Google separately using Sentor, then compare the results."*
---
## 📊 Rate Limits
| Plan | Per Minute | Per Day | Per Month |
|------|:---------:|:-------:|:---------:|
| **Free** | 5 | 100 | 1,000 |
| **Starter** | 60 | 1,000 | 10,000 |
| **Growth** | 200 | 3,000 | 30,000 |
| **Business** | 500 | 10,000 | 100,000 |
| **Enterprise** | Custom | Custom | Custom |
[View full pricing →](https://sentor.app/pricing)
---
## 🐳 Remote Deployment
Run as a hosted HTTP/SSE server for AI tools that support remote MCP endpoints.
**Docker:**
```bash
docker build -t sentor-mcp .
docker run \
-e SENTOR_API_KEY=your_key \
-p 8080:8080 \
sentor-mcp
```
The server exposes:
- `GET /sse` — SSE stream (MCP transport)
- `POST /messages` — message endpoint
**Environment variables:**
| Variable | Default | Description |
|----------|---------|-------------|
| `SENTOR_API_KEY` | — | **Required.** Your Sentor API key. |
| `SENTOR_BASE_URL` | `https://sentor.app/api` | Override to point at a self-hosted Sentor instance. |
| `PORT` | `8080` | HTTP server port. |
---
## 🔗 Links
- [Sentor Dashboard](https://dashboard.sentor.app) — manage API keys, projects, and usage
- [API Documentation](https://sentor.app/docs) — full REST API reference
- [MCP Integration Guide](https://sentor.app/docs/integrations/mcp) — step-by-step setup
- [PyPI Package](https://pypi.org/project/sentor-mcp/) — `pip install sentor-mcp`
- [Support](mailto:sentor@nikx.one)
---
Built by NIKX Technologies B.V.