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blob-reader

90 / 100 · Low risk

Fine to try. Some of what it can do is expected: a data skill usually connects to databases or online services with your credentials.

By microsoft-foundry/foundry-samples (GitHub) · data · 482 stars · scanned at commit f960ccb

Download a blob (CSV, JSON, or any file) from Azure Blob Storage using the caller's (agent's) managed identity via AAD — no account key or SAS. Use when an agent needs to read input data a user placed in their own blob container, including from inside a managed harness or sandbox where DefaultAzureCredential resolves to the agent identity. Requires the identity to hold the 'Storage Blob Data Reader' role on the container or account.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'blob-reader' ] || [ -L ~/.agents/skills/'blob-reader' ]; then echo 'A skill folder named blob-reader already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/microsoft-foundry/foundry-samples' "$d" && git -C "$d" checkout --quiet 'f960ccb05b003fa274e9b5903f9d39ac1228eb65' -- 'samples/python/prompt-agents/agent-identity-and-skills/skills/blob-reader' && mkdir -p ~/.agents/skills && cp -R "$d"/'samples/python/prompt-agents/agent-identity-and-skills/skills/blob-reader' ~/.agents/skills/'blob-reader' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'blob-reader' ~/.claude/skills/'blob-reader' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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