What kind of soil data do I need to provide?

You should provide the soil mineralogy, such as smectite or illite, and relevant values like CEC or soil test K levels.

How does this MCP help with fertilizer application?

It calculates the extra amount of potassium required to counteract the amount the soil will fix, ensuring the plants actually receive the intended dose.

Which AI clients can I use with this MCP?

You can use this MCP with any compatible client like Claude, Cursor, or Windsurf.

Can I use this for different types of clay?

Yes, the capabilities are designed to work with various mineralogies including illite, vermiculite, and smectite.

Does this MCP handle non-exchangeable potassium?

Yes, it includes a capability specifically to predict how much potassium will be released from the non-exchangeable pool.

How does mineralogy affect potassium availability?

Different clay minerals like vermiculite or illite have different capacities to trap potassium. You can use calculate_fixation_capacity to determine how much K will be lost to these mineral structures.

Can I adjust my fertilizer rate based on these estimates?

Yes. By using calculate_fertilizer_adjustment, you can determine the extra potassium needed to compensate for fixation losses, ensuring plants receive the intended dose.

What inputs are required for the availability prediction?

To use predict_available_k, you need to provide the clay mineralogy, the Cation Exchange Capacity (CEC), the current soil test K level, and the planned fertilizer rate.

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Connect Potassium Fixation Estimator to ChatGPT and Claude

Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Predict potassium availability based on soil mineralogy.

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

Your AI does the work. We keep it safe and sound.

No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.

Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

V8 Isolate01

Each Connector runs inside its own sealed environment.

Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.

Kill Switch02

One switch stops every agent. Instantly.

One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.

FinOps per User03

Spending limits that pause instead of surprise.

Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.

Three controls, built into the layer your AI connects through.

Curated set · 4 capabilities

We ship only the actions that matter.

Capability set01 / 01

01-04

4 capabilities in this set.

Part of 4 available through Potassium Fixation Estimator.

01
Estimate k release
Predicts the amount of potassium that will move from the non-exchangeable pool back into the soil.
02
Calculate fertilizer adjustment
Recommends the specific extra potassium needed to offset fixation and meet crop requirements.
03
Calculate fixation capacity
Determines how much potassium the soil will likely trap based on its mineral composition.
04
Predict available k
Calculates the net potassium available to plants after fixation has taken place.

Real work

What teams actually run

Fertilizer Adjustment

Calculate the extra potassium needed for a field with high fixation capacity to ensure crops get enough nutrients.

Soil Analysis

Determine how much potassium a specific soil mineral composition will trap.

Nutrient Availability Planning

Predict the net available K after accounting for both initial soil levels and fixation.

Long-term K Modeling

Estimate how much potassium will be released from non-exchangeable pools over time.

One connector, every AI

Potassium Fixation Estimator works with the most popular AI clients.

These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.

Building your own app? The connector is yours to use.

You don't need a client to put Potassium Fixation Estimator to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.

Observed, not estimated

838ms average. Fast in production.

Potassium Fixation Estimator is checked daily against the live service.

Daily averagePeak 1059ms

Oct 3Today

Fastest day: 670ms
Slowest day: 1059ms
14-day trend: Improving-6%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Potassium Fixation Estimator, so you can see the experience inside your AI.

It does not authenticate your account with Potassium Fixation Estimator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Potassium Fixation Estimator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_Zf3fikjHZDV2lNLq7uatVsx7e6oIl3B3NiwZRggQ/mcp

Claude Desktop

Follow the steps below to connect in seconds.

1In Claude Desktop, open Settings → Connectors.
2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
3Click Add and start a new chat — Potassium Fixation Estimator capabilities are ready to use.

Configuration · claude_desktop_config.jsonCopy

{
  "mcpServers": {
    "potassium-fixation-estimator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_Zf3fikjHZDV2lNLq7uatVsx7e6oIl3B3NiwZRggQ/mcp"
    }
  }
}

Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline

Step-by-step instructions for each client are in the guide. How to connect

Guided setup for Claude? Set up Potassium Fixation Estimator in Claude and other AIs

See all the AI clients this connector works with ↑

Who it's for

Built for the work Potassium Fixation Estimator owners hand off.

This MCP is built for professionals managing soil nutrient cycles and fertilizer applications.

01
Agronomists
They hand off soil test data and mineralogy to the AI to generate precise fertilizer recommendations.
02
Soil Scientists
They use the capability to model potassium dynamics in different clay mineral environments.
03
Farm Managers
They use the calculations to decide how much extra potassium to apply to counteract soil fixation.

FAQ

Questions Potassium Fixation Estimator owners ask.

01
What kind of soil data do I need to provide?
You should provide the soil mineralogy, such as smectite or illite, and relevant values like CEC or soil test K levels.
02
How does this MCP help with fertilizer application?
It calculates the extra amount of potassium required to counteract the amount the soil will fix, ensuring the plants actually receive the intended dose.
03
Which AI clients can I use with this MCP?
You can use this MCP with any compatible client like Claude, Cursor, or Windsurf.
04
Can I use this for different types of clay?
Yes, the capabilities are designed to work with various mineralogies including illite, vermiculite, and smectite.
05
Does this MCP handle non-exchangeable potassium?
Yes, it includes a capability specifically to predict how much potassium will be released from the non-exchangeable pool.
06
How does mineralogy affect potassium availability?
Different clay minerals like vermiculite or illite have different capacities to trap potassium. You can use calculate_fixation_capacity to determine how much K will be lost to these mineral structures.
07
Can I adjust my fertilizer rate based on these estimates?
Yes. By using calculate_fertilizer_adjustment, you can determine the extra potassium needed to compensate for fixation losses, ensuring plants receive the intended dose.
08
What inputs are required for the availability prediction?
To use predict_available_k, you need to provide the clay mineralogy, the Cation Exchange Capacity (CEC), the current soil test K level, and the planned fertilizer rate.

Explore

More in Agriculture

Connect Potassium Fixation Estimator to Claude, Cursor, ChatGPT & more

Your AI does the work. We keep it safe and sound.

Each Connector runs inside its own sealed environment.

One switch stops every agent. Instantly.

Spending limits that pause instead of surprise.

We ship only the actions that matter.

01-04

Estimate k release

Calculate fertilizer adjustment

Calculate fixation capacity

Predict available k

What teams actually run

Fertilizer Adjustment

Soil Analysis

Nutrient Availability Planning

Long-term K Modeling

Building your own app? The connector is yours to use.

Potassium Fixation Estimator Connector

Claude Desktop

Agronomists

Soil Scientists

Farm Managers

What kind of soil data do I need to provide?

How does this MCP help with fertilizer application?

Which AI clients can I use with this MCP?

Can I use this for different types of clay?

Does this MCP handle non-exchangeable potassium?

How does mineralogy affect potassium availability?

Can I adjust my fertilizer rate based on these estimates?

What inputs are required for the availability prediction?

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