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Ibc Mcp

io.github.cronus42/ibc-mcp · v1.0.0

Physics interior-ballistics solver: solves, ladders, trajectory, lookups. Published error rates.

Connect Remote server

Terminal
claude mcp add --transport http ibc-mcp https://reloadingcalc.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "ibc-mcp": {
      "url": "https://reloadingcalc.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "ibc-mcp": {
      "type": "http",
      "url": "https://reloadingcalc.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://reloadingcalc.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 6 found in our last check

  • solve_internal_ballistics

    Solve one internal-ballistics point: modeled velocity/energy/pressure for an exact cartridge+bullet+powder+charge specification, wrapped in the non-removable safety envelope (charge range, closed-enum warnings, assumptions). Returns the SAME envelope as POST /v1/solve. Measured…

  • generate_load_ladder

    PREFERRED for load development: generate a work-up ladder (>=5 rungs required — coarser requests are refused LADDER_TOO_COARSE, never silently interpolated) from the published-reference or charge-only bookends down, with per-rung trajectory nodes and the full safety envelope. Re…

  • trajectory

    Trajectory / drop table: point-mass (3-DOF) exterior solve fed by the modeled muzzle velocity for an exact cartridge+bullet+powder+charge spec (or an explicit muzzle_velocity_fps override). Returns range rows (drop, velocity, energy, windage) plus the model assumptions. Beta key…

  • get_cartridge_spec

    Look up ONE cartridge in the served component database (census: mode != 'hidden' AND geloescht == 0) by name, CIP name, alternate name, or id — returns the published dimensional spec (pmax_bar, case volume, bore/case dimensions, max OAL). Identity + published dimensional metadat…

  • list_powders

    List propellants in the served database (optionally filtered by manufacturer substring), with the GRT attributes the solver uses (Ba, Qex). Identity + published dimensional metadata only — NOT load data (rights-class discipline): no charge/velocity/pressure values are served by…

  • check_component_compatibility

    Check whether a cartridge+powder pair RESOLVES in the served database and whether the published-reference corpus contains a row for the pair (nearest-bullet membership — the same membership that decides a ladder's basis). Answers membership and canonical identity ONLY; it never…

Headers

NameDescription
Authorization
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Details

Endpointhttps://reloadingcalc.com/mcp (Streamable HTTP)
First published12 Nov 2026
Last updated12 Nov 2026
Registry nameio.github.cronus42/ibc-mcp

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