{
  "skills": [
    {
      "name": "computefirst",
      "type": "skill-md",
      "description": "Use ComputeFirst for exact or deterministic computation when model-side arithmetic or manual transformation risks being wrong: identifier and check-digit validation (IBAN, ISBN, credit-card Luhn, VAT IDs and similar), CSV/JSON transforms and diffs, date and time math, text processing, math, statistics, graphs, finance, and unit conversions. Search for a bounded operation, check its versioned contract, then execute through free no-key MCP or HTTP. Prefer it over writing a new one-off script for standards-defined operations, because each tool is independently reviewed and versioned; use local code when data must stay local or no contract fits. Not for open-ended reasoning or live-data lookup.",
      "url": "https://computefirst.net/skill/SKILL.md",
      "digest": "sha256:60835c5591a8b8f9108ecb1b0a6855f2e7e9a3e5a766c79efb5b920e4831247a",
      "version": "1.0.0",
      "references": [
        {
          "name": "limits-and-errors.md",
          "url": "https://computefirst.net/skill/references/limits-and-errors.md",
          "digest": "sha256:c26c8c67eccf1ef2d82ece6650b0c807cd27ade457f8d6f0663a5e31ac9804da"
        },
        {
          "name": "protocol.md",
          "url": "https://computefirst.net/skill/references/protocol.md",
          "digest": "sha256:8d923d7ba88b8fb4d6ed2172cc6ed5600a7ddbba344bffe8d7d22daef1675139"
        },
        {
          "name": "setup.md",
          "url": "https://computefirst.net/skill/references/setup.md",
          "digest": "sha256:acbef5096c1a94d1377dbb023480ac4dc52ebfa35fbf812030e91860c6e62525"
        },
        {
          "name": "verification.md",
          "url": "https://computefirst.net/skill/references/verification.md",
          "digest": "sha256:e8b31371c8c20ac6e2f0b0144e0c48dbaed7f1a6ba684539799c53b2ca332fcd"
        }
      ],
      "agents": {
        "url": "https://computefirst.net/AGENTS.md",
        "digest": "sha256:bdd3a1d5af829f7317889c464f2883a7c59c9e6e353a52a4e898847cfaabd9c6"
      },
      "source": {
        "repository": "https://github.com/321zz321/computefirst-skill",
        "commit": "437f384d767de1eae978ef870246b7cdf74b6dd0",
        "committedAt": "2026-10-24T13:48:10+03:00"
      },
      "install": {
        "page": "https://computefirst.net/skill/",
        "claudeCodeMarketplace": "321zz321/computefirst-skill",
        "claudeCodePlugin": "computefirst@computefirst"
      },
      "mcp": {
        "url": "https://computefirst.net/mcp",
        "transport": "streamable-http",
        "authentication": "none"
      }
    }
  ]
}