Emotion Wheel Classifier MCP for AI. Pinpoint exactly what people are feeling from any text.
Works with every AI agent you already use
…and any MCP-compatible client








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Emotion Wheel Classifier maps raw text directly to Plutchik's emotional model, giving you more than just positive or negative sentiment.
It identifies the primary emotion, its intensity (Low, Medium, High), and which emotional family it belongs to. You can also calculate complex feelings resulting from combinations of emotions or track how a specific feeling develops in strength over time.
What your AI can do
Explore emotional dyad
It calculates the complex emotion that results when you mix two primary emotions together.
Get emotion spectrum
It shows how a single, specific feeling evolves or progresses in strength over time.
Analyze text emotion
It reads unstructured text and outputs the primary emotion, its intensity level, and which emotional family it falls into.
It analyzes any block of text and returns the core emotion, its strength level (Low, Medium, High), and its associated emotional family.
You can show how a single specific feeling changes in intensity or strength across different scenarios.
It computes the resulting complex emotional state when you combine two distinct primary emotions.
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Emotion Wheel Classifier with 3 Tools
These tools allow you to analyze human emotion in detail, mapping text into specific emotional nodes, tracking their intensity, or calculating complex emotional states.
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Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Emotion Wheel Classifier on VinkiusExplore Emotional Dyad
It calculates the complex emotion that results when you mix two primary emotions together.
Get Emotion Spectrum
It shows how a single, specific feeling evolves or progresses in strength over time.
Analyze Text Emotion
It reads unstructured text and outputs the primary emotion, its intensity level, and...
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This connection provides 3 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.
The pain point: Relying on vague sentiment scores
Most basic NLP tools just spit out 'Positive' or 'Negative.' When you get that output, it tells you nothing actionable. Did the user feel disappointed because a feature was missing (Disappointment)? Or were they frustrated by bad UI copy (Anger)? You end up reading hundreds of comments and having to manually categorize them into families like 'Concern,' 'Joy,' or 'Frustration.'
With this MCP, you skip that manual triage. Your agent automatically processes the text and gives you structured data points—the specific emotion, its intensity level, and which emotional family it belongs to. You get actionable insights instead of a simple score.
Get nuanced insight with analyze_text_emotion
Instead of copying text into a general classifier, you run the comment through `analyze_text_emotion`. This tool isolates the core feeling and its strength. It immediately tells you if that 'Negative' spike is actually low-level 'Apprehension,' which requires documentation updates, versus high-intensity 'Disgust,' which suggests a fundamental flaw in the product.
It’s not just classifying; it's mapping human psychology into structured data points. You know exactly what emotional nodes you are dealing with.
What your AI can actually do with this
Ever needed to know exactly what a piece of text feels like? This MCP connects your agent to the deep structure of human emotion. Instead of just telling you if something is 'good' or 'bad,' it pinpoints the source: Is it Joy, Fear, or Disgust? And how intense is that feeling—is it a faint worry or outright panic?
It takes unstructured text and breaks it down into specific emotional nodes, intensities, and families. Need to understand nuanced customer feedback? You can run raw comments through this MCP to get structured emotional data points. The whole Vinkius catalog hosts hundreds of tools like this one, letting you connect your preferred AI client to specialized services that go far beyond standard keyword searches.
019ed640-1f74-7307-a3f0-e9a22db89fe2 Here's how it actually works
The bottom line is that you get specific, actionable emotional metrics instead of vague sentiment scores.
You feed the MCP a block of raw text or the names of specific emotions you want to analyze.
The MCP runs the input through Plutchik’s emotional framework, calculating the data based on its specialized models.
Your agent receives structured JSON output detailing the emotion, its intensity level, and any derived complex feelings.
Who is this actually for?
UX researchers needing deep qualitative feedback analysis. Mental health support teams processing patient notes or user journals. Customer experience managers building advanced complaint routing systems.
They use this MCP to process thousands of customer chat transcripts, grouping them not by topic, but by underlying emotional state (e.g., identifying high-intensity frustration vs. medium-intensity disappointment).
They run open-ended user interview scripts through the MCP to classify which emotions dominate feedback, helping pinpoint product pain points.
They process large batches of anonymized self-report journals or forum posts to track shifts in emotional stability and identify patterns of anxiety or joy.
What Changes When You Connect
Instead of basic sentiment, you get granular data. The analyze_text_emotion tool tells you if the user is 'Angry' or just 'Irritated,' along with a specific intensity score.
Need to understand relationship dynamics? Use explore_emotional_dyad to calculate complex emotions. For example, combining Joy and Trust results in Love—a level of detail basic classifiers miss entirely.
Track emotional shifts over time using get_emotion_spectrum. You can plot how a user's initial 'Fear' progresses into 'Anxiety,' giving you a behavioral timeline.
It moves your data analysis from simple categorization to deep psychological mapping. This is critical for any product relying on nuanced human feedback.
The structure of the output means your agent doesn't just flag an emotion; it hands over structured nodes, ready to feed into databases or reporting dashboards.
See it in action
Analyzing complaint volume spikes
A CX manager wants to know why complaints spiked last week. They run thousands of service tickets through the MCP and discover that while 'Anger' is high, the underlying emotion family is 'Disgust,' pointing directly to a specific product failure or poor UI element.
Mapping user journey emotional dips
A UX team uses get_emotion_spectrum on session transcripts. They find that after users encounter the payment screen, their initial 'Anticipation' drops sharply into low-level 'Anxiety,' indicating friction in checkout.
Identifying brand resonance
A marketing team feeds positive social media comments into the MCP. By using explore_emotional_dyad, they discover that mentions combining 'Joy' and 'Interest' are consistently resulting in 'Excitement,' confirming a successful campaign angle.
Filtering academic research data
A psychology student needs to categorize historical texts. They use analyze_text_emotion to filter out general positive/negative content and only pull nodes matching specific families, like 'Apprehension' or 'Wonder'.
The honest tradeoffs
Treating all emotions as binary
A developer just runs text through a basic sentiment tool that returns 'Negative.' They assume the problem is general bad feelings and don't know where to look next.
Don't stop at 'Negative.' Use analyze_text_emotion first. It will tell you if the negative feeling is specifically 'Fear' (Low Intensity) or 'Disgust' (Medium Intensity). This specificity directs your fix.
Over-relying on single emotion checks
The system flags a user as having high 'Sadness.' The developer assumes the solution is just to offer motivational content.
Check for combination emotions. Run the text through explore_emotional_dyad. If Sadness combined with Guilt results in Shame, your intervention needs to be about accountability, not motivation.
Ignoring emotional context over time
A single negative comment is flagged. The developer treats it as an isolated incident and dismisses the user.
Use get_emotion_spectrum to track that 'Sadness' spiked after a specific event, but then gradually leveled off into low-level 'Calm.' This shows recovery, not just failure.
When It Fits, When It Doesn't
Use this MCP if your goal is psychological depth. You need to know why someone feels something, not just if they feel it. If you are building a system that requires fine-grained emotional states (e.g., for advanced triage or content generation), this toolset is necessary. Don't use this if all you want is simple positive/negative categorization; those general tools will do. You also don't need it if your data inputs are already highly structured—if the emotion and intensity levels are pre-calculated, skip this MCP entirely.
Questions you might have
How do I calculate complex emotions using explore_emotional_dyad? +
You provide the tool with two primary emotion names (e.g., 'Joy' and 'Trust'). The MCP returns a new, resulting complex emotion that describes the interaction between those two states.
Can get_emotion_spectrum track emotional changes over time? +
Yes, you feed it an initial emotion and tell it what sequence of change you want to analyze. It shows the progression or decline of that feeling in measurable steps.
What kind of text can analyze_text_emotion handle? +
It handles any unstructured text, like chat logs, open-ended feedback, or journal entries. It extracts emotion regardless of how casual or formal the language is.
Does this MCP only work for English text? +
The tool primarily focuses on English emotional mapping based on Plutchik's model. For other languages, you may need a different specialized NLP connector.
What data format does analyze_text_emotion return? +
It returns a structured JSON object. This output includes not just the primary emotion and its intensity level, but also a confidence score for that reading. This structure lets your agent easily parse the results into downstream systems.
Are there rate limits when using get_emotion_spectrum? +
Vinkius manages usage via standard API rate limiting protocols, which your agent will automatically respect. If you hit a limit, the client receives a 429 error code. You can then implement appropriate backoff logic directly in your workflow.
How do I ensure compatibility when using explore_emotional_dyad? +
This MCP connects through the standard Model Context Protocol (MCP) gateway provided by Vinkius. Any AI client that supports MCP calls can invoke this tool, making integration simple right out of the box.
What should I expect if the text given to analyze_text_emotion is ambiguous? +
The tool handles ambiguity by identifying the most statistically probable emotion and assigning a lower confidence score. If your input text is entirely blank or nonsensical, it returns an appropriate null value instead of throwing an error.
How does the tool identify emotions? +
The analyze_text_emotion tool interprets the weight and descriptors in your text to map it to a specific node on Plutchik's wheel, determining intensity levels like Low or High.
Can I see the progression of an emotion? +
Yes, using get_emotion_spectrum, you can retrieve the three-tier intensity names (Low, Medium, High) for any primary emotion.
What are emotional dyads? +
Dyads are complex emotions formed by combining two primary ones. The explore_emotional_dyad tool calculates the resulting state and its complexity.
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