vercel-labs/skills

The open agent skills tool - npx skills

TypeScript★ 34,675+190 that day#4 on trending

Analyzed October 14, 2026 at 13e4063 (main) with jscpd v5 in 1.1s. Code duplication went from 5.7% on Sep 11 to 4.16% on Oct 14.

C61.7/100

Project health33,264 lines of code (M)

Duplication59

6.7% in typescript, bash, perl

Dead code93

0.6%

Complexity43

62.5%

The score is jscpd's own --health model: markup, data and text left out, tests kept. The numbers below are the trending scan's.

4.16%duplicated code · 722 of 17,342 lines

49clones in code

50code files of 144 scanned

6.54%duplicated over all files · 170 clones

Most complex files

Dead code 0.6% unused · 9 findings

src/test-utils.tsunused-file
scripts/validate-agents.ts:checkDuplicateSkillsDirsunused-symbol
src/constants.ts:UNIVERSAL_SKILLS_DIRunused-export
src/find.ts:MAGENTAunused-symbol
src/find.ts:YELLOWunused-symbol
src/list.ts:TEXTunused-symbol
src/local-lock.ts:statunused-import
src/prompts/search-multiselect.ts:S_CHECKBOX_LOCKEDunused-symbol
src/update.ts:pcunused-import

The code number leaves out tests, fixtures, docs, examples, data files, styles, translations and vendored code.

Largest clones in the code

52 lines in 2 placestypescript257 tokens

src/installer.ts:668–719src/installer.ts:809–860

668  skill: RemoteSkill,
669  agentType: AgentType,
670  options: { global?: boolean; cwd?: string; mode?: InstallMode; eveSubagent?: string } = {}
671): Promise<InstallResult> {
672  const agent = agents[agentType];
673  const isGlobal = options.global ?? false;
674  const cwd = options.cwd || process.cwd();
675  const installMode = options.mode ?? 'symlink';
676  const eveSubagent = options.eveSubagent;
677

First 10 of 52 lines.

31 lines in 2 placestypescript188 tokens

src/add.ts:1090–1120src/add.ts:2428–2459

1090}
1091
1092const title = pc.green(`Installed ${skillCount} skill${skillCount !== 1 ? 's' : ''}`);
1093p.note(resultLines.join('\n'), title);
1094
1095// Show symlink failure warning (only for symlink mode)
1096if (symlinkFailures.length > 0) {
1097  p.log.warn(pc.yellow(`Symlinks failed for: ${formatList(copiedAgents)}`));
1098  p.log.message(
1099    pc.dim(

First 10 of 31 lines.

23 lines in 2 placestypescript179 tokens

src/add.ts:762–784src/sync.ts:641–660

762const validAgents = Object.keys(agents);
763
764if (options.agent?.includes('*')) {
765  // --agent '*' selects all agents
766  targetAgents = validAgents as AgentType[];
767  p.log.info(`Installing to all ${targetAgents.length} agents`);
768} else if (options.agent && options.agent.length > 0) {
769  const invalidAgents = options.agent.filter((a) => !validAgents.includes(a));
770
771  if (invalidAgents.length > 0) {

641const universalAgents = getUniversalAgents();
642
643if (options.agent?.includes('*')) {
644  targetAgents = validAgents as AgentType[];
645  p.log.info(`Installing to all ${targetAgents.length} agents`);
646} else if (options.agent && options.agent.length > 0) {
647  const invalidAgents = options.agent.filter((a) => !validAgents.includes(a));
648  if (invalidAgents.length > 0) {
649    p.log.error(`Invalid agents: ${invalidAgents.join(', ')}`);
650    p.log.info(`Valid agents: ${validAgents.join(', ')}`);

First 10 of 23 lines, the second copy on the right.

7 more

39 lines in 2 placestypescript132 tokens
src/installer.ts:324–362 src/installer.ts:689–723
13 lines in 2 placestypescript130 tokens
src/add.ts:761–773 src/add.ts:1807–1819
16 lines in 2 placestypescript130 tokens
src/add.ts:1071–1086 src/add.ts:2386–2401
17 lines in 2 placestypescript128 tokens
src/add.ts:806–822 src/add.ts:1885–1901
42 lines in 2 placestypescript115 tokens
src/installer.ts:913–954 src/installer.ts:1085–1119
7 lines in 3 placestypescript54 tokens
src/list.ts:212–218 src/list.ts:231–237 src/list.ts:247–253
23 lines in 2 placestypescript107 tokens
src/add.ts:830–852 src/add.ts:1957–1979

Largest clones over all files, tests and data included

90 lines in 2 placestypescripttests467 tokens

tests/root-level-disk-install.test.ts:1–90tests/root-level-lock-hash.test.ts:1–84

1import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
2import { mkdtemp, mkdir, writeFile, rm, readFile } from 'node:fs/promises';
3import { join } from 'node:path';
4import { tmpdir } from 'node:os';
5
6// Isolate side-effecting UI / network deps so runAdd can run headless in CI.
7vi.mock('@clack/prompts', () => {
8  const noop = () => {};
9  return {
10    intro: noop,

First 10 of 90 lines.

60 lines in 2 placestypescripttests305 tokens

tests/direct-download-add.test.ts:7–66tests/remove-telemetry-source.test.ts:4–63

7import { gzipSync } from 'node:zlib';
8
9vi.mock('@clack/prompts', () => {
10  const noop = () => {};
11  return {
12    intro: noop,
13    outro: noop,
14    note: noop,
15    confirm: vi.fn().mockResolvedValue(true),
16    cancel: noop,

First 10 of 60 lines.

11 lines in 2 placestxtdocs and examples274 tokens

ThirdPartyNoticeText.txt:19–29ThirdPartyNoticeText.txt:86–96

19MIT License Copyright (c) 2025-Present [Bombshell contributors](https://bomb.sh/team)
20
21Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in t…
22
23The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
24
25THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR…
26
27
28================================================================================

First 10 of 11 lines.

9 lines in 2 placestxtdocs and examples273 tokens
ThirdPartyNoticeText.txt:21–29 ThirdPartyNoticeText.txt:59–79
52 lines in 2 placestypescript257 tokens
src/installer.ts:668–719 src/installer.ts:809–860

By format, code only

Format	Files	Lines	Clones	Duplicated lines	Duplication
typescript	40	16,480	49	722	4.38%
bash	9	694	0	0	0%
perl	1	168	0	0	0%

By format, all files

Format	Files	Lines	Clones	Duplicated lines	Duplication
typescript	111	32,402	165	2,244	6.93%
txt	1	117	3	34	29.06%
yaml	9	446	2	29	6.5%
markdown	7	1,087	0	0	0%
bash	11	820	0	0	0%
json	2	183	0	0	0%
perl	1	168	0	0	0%
text	2	58	0	0	0%

Trending appearances

Day	Rank	Stars	Files	Lines	Clones	All files	Code	Health	Commit
Oct 14, 2026	#4	34,675 (+190)	144	35,281	170	6.54%	4.16%	C 61.7	`13e4063`
Sep 11, 2026	#12	31,253 (+122)	127	30,660	156	7.13%	5.7%	—	`80feb48`

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