context7-mcp: init at 2.1.4

{

  lib,

  stdenv,

  fetchFromGitHub,

  makeWrapper,

  nix-update-script,

  nodejs,

  pnpm,

  pnpmConfigHook,

  fetchPnpmDeps,

}:

let

  tag-prefix = "@upstash/context7-mcp";

in

stdenv.mkDerivation (finalAttrs: {

  pname = "context7-mcp";

  version = "2.1.4";

  src = fetchFromGitHub {

    owner = "upstash";

    repo = "context7";

    tag = "${tag-prefix}@${finalAttrs.version}";

    hash = "sha256-bQXmKY4I5k5uaQ2FVEOPkym5X3mR87nALf3+jqJjJjE=";

  };

  nativeBuildInputs = [

    nodejs

    pnpm

    pnpmConfigHook

    makeWrapper

  ];

  pnpmDeps = fetchPnpmDeps {

    inherit (finalAttrs) pname version src;

    fetcherVersion = 3;

    hash = "sha256-EjEdbPKXJbxaDBuAg/j+BSjI/W3HdsqbtDky0TPUB88=";

  };

  buildPhase = ''

    runHook preBuild

    pnpm --filter ${tag-prefix} build

    runHook postBuild

  '';

  installPhase = ''

    runHook preInstall

    pnpm --filter ${tag-prefix} \

         --offline \

         --config.inject-workspace-packages=true \

         deploy $out/lib/context7

    mkdir -p $out/bin

    makeWrapper ${nodejs}/bin/node $out/bin/context7-mcp \

      --add-flags "$out/lib/context7/dist/index.js"

    cp -r $src/skills $out

    runHook postInstall

  '';

  doInstallCheck = true;

  installCheckPhase = ''

    runHook preInstallCheck

    echo "Executing custom version check for MCP stdio server..."

    output=$(< /dev/null $out/bin/context7-mcp 2>&1 || true)

    if echo "$output" | grep -Fq "v${finalAttrs.version}"; then

      echo "versionCheckPhase: found version v${finalAttrs.version}"

    else

      echo "versionCheckPhase: failed to find version v${finalAttrs.version}"

      echo "Output was:"

      echo "$output"

      exit 1

    fi

    runHook postInstallCheck

  '';

  passthru.updateScript = nix-update-script {

    extraArgs = [ "--version-regex '${tag-prefix}@(.*)'" ];

  };

  meta = {

    description = "MCP Server for up-to-date code documentation for LLMs and AI code editors";

    homepage = "https://context7.com/";

    license = lib.licenses.mit;

    maintainers = with lib.maintainers; [ arunoruto ];

    mainProgram = "context7-mcp";

    platforms = with lib.platforms; linux ++ darwin;

  };

})