How do I calculate enthalpy using formation data?

You can use the `calculate_enthalpy_from_formation` tool by providing a balanced chemical equation and a JSON object containing the molar enthalpies of formation for each species.

Does the bond energy calculation work for liquids?

No, the `calculate_enthalpy_from_bond_energy` tool assumes all reactants and products are in the gaseous phase.

Can I visualize the energy levels of a reaction?

Yes, you can use the `generate_enthalpy_diagram` tool to create an energy profile based on the calculated enthalpy change and the enthalpy of reactants and products.

Heat of Reaction Calculator MCP Connector for Claude

A+

Calculate enthalpy changes using Hess's Law, formation enthalpies, and bond energies.

4 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

This MCP server provides specialized tools for chemical thermodynamics. It allows AI agents to determine the enthalpy change of chemical reactions using two primary methods: standard enthalpies of formation and bond dissociation energies. Users can utilize calculate_enthalpy_from_formation to apply Hess's Law directly, or calculate_enthalpy_from_bond_energy for gas-phase calculations. Additionally, the server can generate_enthalpy_diagram to visualize energy profiles and identify_reaction_thermodynamics to classify reactions as exothermic or endothermic.

chemistrythermodynamicshess-lawenthalpyscience

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_riao6Ee1wFRCoETDiL89oGap9TR8SMHctbc0KiQW/mcp

② Claude Code (terminal)

claude mcp add --transport http heat-of-reaction-calculator https://edge.vinkius.com/vk_preview_riao6Ee1wFRCoETDiL89oGap9TR8SMHctbc0KiQW/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "heat-of-reaction-calculator": {
      "url": "https://edge.vinkius.com/vk_preview_riao6Ee1wFRCoETDiL89oGap9TR8SMHctbc0KiQW/mcp"
    }
  }
}

Get full access on Vinkius

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