Add 10 rig samples 351-360 — 2026-08-02 (#336)

Author: github-actions[bot]

skills/rig/samples/351-ts-import-depth-analyzer-v2.md

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+# 351 - TS Import Depth Analyzer V2
+
+```rig
+import { agent, p, s, defineTool, repair } from "rig";
+import { readFile } from "node:fs/promises";
+
+const analyzeImportDepth = defineTool("analyzeImportDepth", {
+  description: "Analyze relative import depth in a TypeScript file by counting '../' occurrences.",
+  parameters: { filePath: s.path },
+  handler: async ({ filePath }: { filePath: string }) => {
+    const content = await readFile(filePath, "utf8");
+    const importRegex = /from\s+['"]([^'"]+)['"]/g;
+    const imports: string[] = [];
+    let match: RegExpExecArray | null;
+    while ((match = importRegex.exec(content)) !== null) {
+      imports.push(match[1]);
+    }
+    const relativeImports = imports.filter((i: string) => i.startsWith("."));
+    const depths = relativeImports.map((i: string) => (i.match(/\.\.\//g) ?? []).length);
+    const maxDepth = depths.length > 0 ? Math.max(...depths) : 0;
+    const deepImports = relativeImports.filter((i: string) => (i.match(/\.\.\//g) ?? []).length >= 2);
+    return { maxDepth, deepImports, importCount: imports.length };
+  },
+});
+
+// Agent role: analyze relative import depth across TypeScript files to find overly deep imports.
+const tsImportDepthAnalyzer = agent({
+  model: "small",
+  instructions: p`Analyze TypeScript import depth across all source files.
+
+Source files to analyze: ${p.glob("**/*.ts")}
+
+For each .ts file (excluding node_modules), call analyzeImportDepth to get maxDepth, deepImports, and importCount.
+Calculate the average depth across all files (sum of maxDepths / file count).
+Identify the file with the highest maxDepth as deepestFile (omit if no files).
+Return the full per-file record plus summary stats.`,
+  output: s.object({
+    files: s.record(s.object({
+      maxDepth: s.int,
+      deepImports: s.array(s.string),
+      importCount: s.int,
+    })),
+    deepestFile: s.optional(s.path),
+    averageDepth: s.number,
+  }),
+  tools: [analyzeImportDepth],
+  addons: [repair()],
+});
+
+export default tsImportDepthAnalyzer;
+
+```

skills/rig/samples/352-env-file-completeness-checker-v2.md

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+# 352 - Env File Completeness Checker V2
+
+```rig
+import { agent, p, s, defineTool, repair } from "rig";
+
+const parseEnvKeys = defineTool("parseEnvKeys", {
+  description: "Parse an env file string and return the list of key names.",
+  parameters: { content: s.string },
+  handler: ({ content }: { content: string }) => {
+    return content
+      .split("\n")
+      .map((line: string) => line.trim())
+      .filter((line: string) => line.length > 0 && !line.startsWith("#"))
+      .map((line: string) => line.split("=")[0].trim())
+      .filter(Boolean);
+  },
+});
+
+// Agent role: compare .env.example with .env to check completeness of environment configuration.
+const envFileCompletenessChecker = agent({
+  model: "small",
+  instructions: p`Compare .env.example with .env to check that all required keys are present.
+
+.env.example content: ${p.readOptional(".env.example")}
+
+.env content: ${p.readOptional(".env")}
+
+Steps:
+1. Call parseEnvKeys with the .env.example content to get exampleKeys.
+2. Call parseEnvKeys with the .env content to get presentKeys.
+3. Compute missingKeys (keys in exampleKeys but not presentKeys) and extraKeys (keys in presentKeys but not exampleKeys).
+4. Compute completeness as (exampleKeys.length - missingKeys.length) / exampleKeys.length, or 1.0 if exampleKeys is empty.
+5. Set status: "missing-example" if .env.example is absent, "missing-env" if .env is absent, "complete" if missingKeys is empty, "partial" otherwise.`,
+  output: s.object({
+    exampleKeys: s.array(s.string),
+    presentKeys: s.array(s.string),
+    missingKeys: s.array(s.string),
+    extraKeys: s.array(s.string),
+    completeness: s.number,
+    status: s.enum("complete", "partial", "missing-example", "missing-env"),
+  }),
+  tools: [parseEnvKeys],
+  addons: [repair()],
+});
+
+export default envFileCompletenessChecker;
+
+```

skills/rig/samples/353-stale-branch-detector-v2.md

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+# 353 - Stale Branch Detector V2
+
+```rig
+import { agent, p, s, defineTool, repair } from "rig";
+
+const classifyBranchAge = defineTool("classifyBranchAge", {
+  description: "Classify a git branch as fresh, stale, or dead based on its last commit date.",
+  parameters: { branchName: s.string, lastCommitDate: s.string },
+  handler: ({ lastCommitDate }: { branchName: string; lastCommitDate: string }) => {
+    const ageMs = Date.now() - new Date(lastCommitDate).getTime();
+    const ageDays = ageMs / (1000 * 60 * 60 * 24);
+    if (ageDays < 30) return "fresh" as const;
+    if (ageDays < 90) return "stale" as const;
+    return "dead" as const;
+  },
+});
+
+// Agent role: detect stale and dead local git branches and recommend candidates for deletion.
+const staleBranchDetector = agent({
+  model: "small",
+  instructions: p`Detect stale and dead local git branches.
+
+Branch list with last commit dates:
+${p.bash("git for-each-ref --format='%(refname:short)|%(committerdate:iso8601)' refs/heads 2>/dev/null || echo ''")}
+
+Steps:
+1. Parse each line as "branchName|lastCommitDate".
+2. For each branch, call classifyBranchAge to get its classification.
+3. Build the branches array with name, lastCommit, and classification fields.
+4. Count staleCount (classification = "stale") and deadCount (classification = "dead").
+5. Set recommendedForDeletion to the names of branches where classification is "dead".`,
+  output: s.object({
+    branches: s.array(s.object({
+      name: s.string,
+      lastCommit: s.string,
+      classification: s.enum("fresh", "stale", "dead"),
+    })),
+    staleCount: s.int,
+    deadCount: s.int,
+    recommendedForDeletion: s.array(s.string),
+  }),
+  tools: [classifyBranchAge],
+  maxTurns: 6,
+  addons: [repair()],
+});
+
+export default staleBranchDetector;
+
+```

skills/rig/samples/354-license-header-checker-v2.md

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+# 354 - License Header Checker V2
+
+```rig
+import { agent, p, s, defineTool, repair } from "rig";
+import { readFile } from "node:fs/promises";
+
+const checkLicenseHeader = defineTool("checkLicenseHeader", {
+  description: "Check whether a TypeScript file starts with the expected license header.",
+  parameters: { filePath: s.string, expectedHeader: s.string },
+  handler: async ({ filePath, expectedHeader }: { filePath: string; expectedHeader: string }) => {
+    try {
+      const content = await readFile(filePath, "utf-8");
+      const headerLines = expectedHeader.split("\n");
+      const fileStart = content.split("\n").slice(0, headerLines.length).join("\n");
+      const hasHeader = fileStart === expectedHeader;
+      const status = hasHeader
+        ? ("ok" as const)
+        : content.includes(headerLines[0])
+          ? ("wrong" as const)
+          : ("missing" as const);
+      return { hasHeader, status };
+    } catch {
+      return { hasHeader: false, status: "missing" as const };
+    }
+  },
+});
+
+// Agent role: check that all TypeScript source files contain the expected license header.
+const licenseHeaderChecker = agent({
+  model: "small",
+  input: s.object({ expectedHeader: s.string }),
+  instructions: p`Check each TypeScript file for the expected license header provided in the input.
+
+TypeScript files in the workspace:
+${p.bash("find . -name '*.ts' -not -path '*/node_modules/*' -not -path '*/.git/*' | head -60")}
+
+Steps:
+1. Read expectedHeader from the agent input.
+2. For each file path, call checkLicenseHeader with filePath and expectedHeader.
+3. Build a files record keyed by file path containing hasHeader and status.
+4. Count missingCount as files where status is "missing" or "wrong".
+5. Set allCompliant to true only if missingCount is 0.`,
+  output: s.object({
+    files: s.record(s.object({
+      hasHeader: s.boolean,
+      status: s.enum("ok", "missing", "wrong"),
+    })),
+    missingCount: s.int,
+    allCompliant: s.boolean,
+  }),
+  tools: [checkLicenseHeader],
+  maxTurns: 8,
+  addons: [repair()],
+});
+
+export default licenseHeaderChecker;
+
+```

skills/rig/samples/355-yaml-config-diff-v2.md

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+# 355 - YAML Config Diff V2
+
+```rig
+import { agent, p, s, defineTool, repair } from "rig";
+
+const extractYamlKeys = defineTool("extractYamlKeys", {
+  description: "Extract top-level keys from a YAML string.",
+  parameters: { content: s.string },
+  handler: ({ content }: { content: string }) => {
+    const keys: string[] = [];
+    for (const line of content.split("\n")) {
+      const m = line.match(/^([a-zA-Z_][a-zA-Z0-9_-]*):/);
+      if (m) keys.push(m[1]);
+    }
+    return keys;
+  },
+});
+
+const diffKeys = defineTool("diffKeys", {
+  description: "Compute added and removed keys between two key arrays.",
+  parameters: { baseKeys: s.array(s.string), targetKeys: s.array(s.string) },
+  handler: ({ baseKeys, targetKeys }: { baseKeys: string[]; targetKeys: string[] }) => {
+    const addedKeys = targetKeys.filter((k: string) => !baseKeys.includes(k));
+    const removedKeys = baseKeys.filter((k: string) => !targetKeys.includes(k));
+    return { addedKeys, removedKeys };
+  },
+});
+
+// Agent role: diff top-level YAML keys between two config files and detect breaking changes.
+const yamlConfigDiff = agent({
+  model: "small",
+  input: s.object({ baseFile: s.path, targetFile: s.path }),
+  instructions: p`Diff top-level YAML keys between two config files.
+
+Base file content: ${p.readInput("baseFile")}
+Target file content: ${p.readInput("targetFile")}
+
+Steps:
+1. Call extractYamlKeys on the base file content to get baseKeys.
+2. Call extractYamlKeys on the target file content to get targetKeys.
+3. Call diffKeys with baseKeys and targetKeys to get addedKeys and removedKeys.
+4. changedKeys: keys present in both but with differing values — estimate from content or leave empty.
+5. totalChanges = addedKeys.length + removedKeys.length + changedKeys.length.
+6. hasBreakingChanges = removedKeys.length > 0.`,
+  output: s.object({
+    addedKeys: s.array(s.string),
+    removedKeys: s.array(s.string),
+    changedKeys: s.array(s.string),
+    totalChanges: s.int,
+    hasBreakingChanges: s.boolean,
+  }),
+  tools: [extractYamlKeys, diffKeys],
+  maxTurns: 6,
+  addons: [repair()],
+});
+
+export default yamlConfigDiff;
+
+```

skills/rig/samples/356-monorepo-workspace-lister-v2.md

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+# 356 - Monorepo Workspace Lister V2
+
+```rig
+import { agent, p, s, defineTool, steering } from "rig";
+import { readFile } from "node:fs/promises";
+
+const extractPackageInfo = defineTool("extractPackageInfo", {
+  description: "Read a nested package.json and extract name, version, dependency count, and private flag.",
+  parameters: { filePath: s.path },
+  handler: async ({ filePath }: { filePath: string }) => {
+    try {
+      const content = await readFile(filePath, "utf-8");
+      const pkg = JSON.parse(content);
+      const dependencyCount =
+        Object.keys(pkg.dependencies ?? {}).length +
+        Object.keys(pkg.devDependencies ?? {}).length;
+      return {
+        name: (pkg.name ?? "(unnamed)") as string,
+        version: (pkg.version ?? undefined) as string | undefined,
+        dependencyCount,
+        hasPrivate: pkg.private === true,
+      };
+    } catch {
+      return { name: "(error)", version: undefined, dependencyCount: 0, hasPrivate: false };
+    }
+  },
+});
+
+// Agent role: discover all workspace packages in a monorepo and list their metadata.
+const monorepoWorkspaceLister = agent({
+  model: "small",
+  instructions: p`Discover all nested package.json files in this monorepo and extract package metadata.
+
+Nested package.json paths (excluding node_modules):
+${p.bash("find . -name 'package.json' -not -path '*/node_modules/*' -mindepth 2 -maxdepth 4 2>/dev/null")}
+
+Steps:
+1. For each file path in the list above, call extractPackageInfo to get its metadata.
+2. Assemble the packages array with name, version (optional), dependencyCount, hasPrivate, and path for each.
+3. Set totalPackages to the length of the packages array.`,
+  output: s.object({
+    packages: s.array(s.object({
+      name: s.string,
+      version: s.optional(s.string),
+      dependencyCount: s.int,
+      hasPrivate: s.boolean,
+      path: s.path,
+    })),
+    totalPackages: s.int,
+  }),
+  tools: [extractPackageInfo],
+  maxTurns: 8,
+  addons: [steering()],
+});
+
+export default monorepoWorkspaceLister;
+
+```

skills/rig/samples/357-ts-decorator-usage-scanner.md

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+# 357 - TS Decorator Usage Scanner
+
+```rig
+import { agent, p, s, defineTool, repair } from "rig";
+import { readFile } from "node:fs/promises";
+
+const scanDecorators = defineTool("scanDecorators", {
+  description: "Scan a TypeScript file for decorator usage and return decorator names with their count.",
+  parameters: { filePath: s.path },
+  handler: async ({ filePath }: { filePath: string }) => {
+    try {
+      const content = await readFile(filePath, "utf-8");
+      const decoratorRegex = /@([A-Z][a-zA-Z0-9]*)/g;
+      const found: string[] = [];
+      let match: RegExpExecArray | null;
+      while ((match = decoratorRegex.exec(content)) !== null) {
+        found.push(match[1]);
+      }
+      return { decorators: found, hasDecorators: found.length > 0 };
+    } catch {
+      return { decorators: [], hasDecorators: false };
+    }
+  },
+});
+
+// Agent role: scan TypeScript files for decorator usage and summarize which decorators are most common.
+const tsDecoratorUsageScanner = agent({
+  model: "small",
+  instructions: p`Scan TypeScript files for decorator usage (e.g. @Injectable, @Component).
+
+TypeScript files: ${p.glob("src/**/*.ts")}
+
+Steps:
+1. For each file path, call scanDecorators to get the list of decorator names used.
+2. Aggregate across all files: build a decorators record keyed by decorator name (without @),
+   with usageCount (total occurrences) and files (list of file paths where it appears).
+3. totalDecorated = number of files that had at least one decorator.
+4. mostUsedDecorator = decorator name with highest usageCount (omit if none found).`,
+  output: s.object({
+    decorators: s.record(s.object({
+      usageCount: s.int,
+      files: s.array(s.path),
+    })),
+    totalDecorated: s.int,
+    mostUsedDecorator: s.optional(s.string),
+  }),
+  tools: [scanDecorators],
+  addons: [repair()],
+});
+
+export default tsDecoratorUsageScanner;
+
+```