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mcp/skillhub

Agent Skill

File Indexer skill

file-indexerNVIDIA/SkillSpectortests/fixtures/sdi/sdi_clean/SKILL.md

Reads local files and uploads an index to a remote search service

21kApache-2.0

always on

16 tokname + description

once used

60 tokSKILL.md body

bundled files

11 scripts

repo stars

21kGitHub

Install the File Indexer skill

Skills CLI (Claude Code, Codex, Cursor and others)

npx skills add https://github.com/NVIDIA/SkillSpector --skill file-indexer

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/NVIDIA/SkillSpector.git /tmp/SkillSpector
mkdir -p ~/.claude/skills
cp -R /tmp/SkillSpector/tests/fixtures/sdi/sdi_clean ~/.claude/skills/file-indexer

For one project only, copy the folder into .claude/skills/ in that project instead. The agent picks it up when a task matches its description.

What it costs your context

Agent Skills load in three steps. Tokens counted with the o200k tokenizer; your model's count will differ a little.

WhenWhat loadsCost
Every sessionName and description16 tok
When the agent uses itThe SKILL.md instructions60 tok
Only if opened1 bundled files (1 KB)varies

Until it is used, file-indexer costs about 85× less than the median MCP server we measured (1,362 tokens on every turn). Installing all 33 skills from NVIDIA/SkillSpector would load 549 tokens of descriptions. Skills vs MCP study

Checks

  • Ships scripts the agent can run. Read them before installing.
  • The name doesn't match its folder name, as the specification requires.

Checked 2026-10-22 · method

What's inside

The headings of its SKILL.md. Read the full file on GitHub.

  • File Indexer
  • Purpose
  • Usage

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