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"Web search tools and methods that don't require API keys" matching MCP servers:

  • ccpp-tools-mcp

    jinhyunan
    A
    license
    B
    quality
    B
    maintenance
    MCP server providing deterministic, standards-traceable engineering calculations for combined-cycle power plant balance-of-plant design, such as fluid properties, pipe sizing, pump NPSH, and valve sizing, with every result including method, assumptions, and warnings.
    11
    1
    Apache 2.0

  • ladybug-tools-mcp

    LoftyTao
    A
    license
    Not graded
    quality
    A
    maintenance
    Enables natural-language interaction with Ladybug Tools for building performance simulation, 3D modeling, and data visualization, allowing agents to perform complex environmental analysis tasks without CAD software.
    3
    GPL 3.0

  • shelly-api-mcp

    adambenhassen
    F
    license
    Not graded
    quality
    B
    maintenance
    Provides read-only access to Shelly Cloud energy data, including live power, lifetime energy, and historical consumption with cost, enabling AI agents to monitor electricity usage without device control.

  • Cernion Grid Intelligence

    energychain
    A
    license
    Not graded
    quality
    A
    maintenance
    87+ specialized tools for German and European energy data. Direct AI access to Marktstammdatenregister (MaStR), ENTSO-E, Redispatch 2.0, and Grid Operations for utilities and datacenters.
    2
    GPL 3.0

  • EnergyPlus MCP Server

    Akki-24
    F
    license
    Not graded
    quality
    C
    maintenance
    Exposes EnergyPlus simulation control (run, parse metrics, edit schedules) as LLM tools for autonomous building energy optimization.

  • srp-tariff

    courtkillion
    F
    license
    Not graded
    quality
    B
    maintenance
    Enables exact residential electricity rates and itemized bills for Salt River Project, computed from filed tariffs with citations, via tools for listing plans, getting rates, and calculating bills.

  • Elecz MCP Server

    zemloai-ctrl
    F
    license
    Not graded
    quality
    B
    maintenance
    Provides real-time electricity prices, cheapest hours, and contract comparison for 40+ countries, enabling AI agents to make energy-aware decisions.
    2

  • heatpump-mcp-server

    jiweiqi
    A
    license
    A
    quality
    F
    maintenance
    AI assistants can size heat pumps, estimate energy costs, and verify cold-climate performance using bundled data and no API keys.
    6
    3
    MIT

  • Energy Grid MCP Server

    AiAgentKarl
    A
    license
    A
    quality
    D
    maintenance
    Provides real-time electricity grid data including CO2 intensity, power mix, and wholesale prices, plus optimal green time windows for energy-intensive AI tasks. Supports UK, Germany, and global regions with optional API keys.
    9
    MIT

  • GridWatch MCP

    mohithchow
    A
    license
    Not graded
    quality
    C
    maintenance
    MCP server exposing distributed industrial asset data (battery storage, EV chargers, solar arrays) with tools for asset status, geospatial search, alerts, anomaly explanation, and load simulation.
    1,014
    MIT

  • epwforge-mcp

    guzz-labs
    A
    license
    Not graded
    quality
    B
    maintenance
    Weather files (EPW/DDY) for building energy simulation, on-demand. Four tools: search the 17,000-station catalog, analyze any EPW (design conditions, HDD/CDD, DesignDay IDF emit), render 5 chart types (diurnal, wind rose, temp carpet, monthly box plot, comparison), and generate TMY/AMY/CMIP6-morphed scenarios with UHI, extreme events, and wildfire smoke overlays. 3 of 4 tools work without API key.
    MIT

  • osdu-mcp

    rasheedonnet
    A
    license
    Not graded
    quality
    D
    maintenance
    Enables AI agents to interact with the OSDU® data platform through Model Context Protocol, providing tools for search, storage, schema management, and dataset operations.
    1
    Apache 2.0

  • brick-ontology-mcp

    ucl-sbde
    A
    license
    Not graded
    quality
    D
    maintenance
    Provides offline access to the Brick Schema ontology, enabling validation and search of building metadata classes through MCP tools.
    1
    MIT

  • power_defect_analysis_mcp

    gaoshang0408
    F
    license
    Not graded
    quality
    C
    maintenance
    Enables querying and analysis of thermal power plant defects and work orders through fixed, parameterized SQL tools. Provides 8 core tools plus extensions for equipment search, defect/work order details, summaries, and failure analysis, with strict data boundaries and security.

  • EIA MCP Server

    asharanims611
    F
    license
    Not graded
    quality
    C
    maintenance
    A FastMCP server that wraps the U.S. Energy Information Administration Open Data API v2, enabling natural-language queries for electricity, petroleum, and other energy statistics via tools like discover_eia_route and get_eia_data.

  • energy-star-mcp

    soapboxbuild
    F
    license
    Not graded
    quality
    A
    maintenance
    An MCP server that wraps the EPA ENERGY STAR Portfolio Manager REST API, enabling AI assistants to query and update building energy data.

  • beestat-mcp

    lukerweaver
    F
    license
    Not graded
    quality
    D
    maintenance
    Enables interaction with beestat thermostats via MCP tools, including generic API calls and convenience methods for reading thermostat, sensor, and runtime data.

  • Energi Data Service MCP

    Enevoldsen88
    F
    license
    Not graded
    quality
    C
    maintenance
    Read-only MCP server for Energinet's public Energi Data Service. Enables dataset search, arbitrary dataset queries with filters, and CO2 emissions retrieval for DK1/DK2 without an API key.

  • power-ops-mcp

    GUNJOTH
    F
    license
    Not graded
    quality
    C
    maintenance
    Provides structured tools for thermal power operations, including defect and work order search, summaries, and failure analysis. Replaces free SQL with fixed templates and supports dashboard and service status.