Validates development tool installations across Python, Node.js, Java, Go, Rust, C/C++, Git, and system utilities. Use when verifying environments or troubleshooting dependencies.
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설치 방법 보기설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.
Reports which development tools are installed and at what version, grouped by ecosystem. Default behavior reports every tool without failing validation — suited to diverse PaaS/container environments where only a subset of ecosystems is expected to be present.
# Fast check with exit code (0 = all required core tools present)
bash assets/check-tools.sh
# Development tools only
bash assets/environment-diagnostic.sh tools
# System info: hardware, mounts, processes
bash assets/environment-diagnostic.sh system
# Complete diagnostic (tools + system + package inventories), written to a file
bash assets/environment-diagnostic.sh full /path/to/report.txt
check-tools.sh exits non-zero only when a required core tool (python3,
pip, node, npm, java, gcc, git, curl, awk, grep, gzip, tar, make, sed) is
missing. Every other tool is reported (✅ found / ⚠️ optional and missing) but
does not fail the run.
| Ecosystem | Required | Optional |
|---|---|---|
| Python | python3, pip | python, uv, poetry, black, mypy, pytest, ruff |
| Node.js | node, npm | nvm, yarn, pnpm, eslint, prettier, chromedriver |
| Java | java | mvn, gradle |
| Go | — | go |
| Rust | — | rustc, cargo |
| C/C++ | gcc | clang, cmake, ninja, conan |
| Utilities | git, curl, awk, sed, grep, gzip, tar, make | jq, rg, tmux, yq, vim, nano |
Full per-tool version-check commands and installation notes live in
references/tool-categories.md.
assets/check-tools.sh — fast validation script (exit codes, quick checks)assets/environment-diagnostic.sh — comprehensive diagnostic with
tools / system / full modesreferences/tool-categories.md — detailed per-tool breakdown and
installation instructionsThe required/optional split lives in assets/check-tools.sh
(check_required_tool / check_optional_tool calls), not in this file — to
change which tools are required, edit the script.
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GitHub repository access in containerized environments using REST API and credential detection. Use when git clone fails, or when accessing private repos/writing files via API.
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Decide which model, effort level, and cascade shape each subagent gets, and how to keep improvement loops safe (evaluator-as-selector, stop on regression). Routes on measured cost-per-completed-task rather than per-token price, because a tier's token count varies more by task shape than price varies across tiers. Covers per-model effort semantics, the concision lever, cascade preconditions, context handoff, and watching a subagent fan-out live. Use when choosing a subagent's model or effort, when choosing how to escalate a failed attempt, or when asked which model or effort a task should get. Grounded in a 2026-07 calibration, a 2026-08 coding-cost study, a 2026-09 seeded-bug repair battery, a 2026-10 Haiku 5.5 ladder priced per spawn, and a 2026-10 retry-versus-escalation ladder on 295 SWE-bench Verified tasks; Managed Agents API specifics are operational, not calibrated.
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Securely manages API credentials for multiple providers (Anthropic Claude, Google Gemini, GitHub). Use when skills need to access stored API keys for external service invocations.
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Guidance for asking clarifying questions when user requests are ambiguous, have multiple valid approaches, or require critical decisions. Use when implementation choices exist that could significantly affect outcomes.
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Pre-change blast-radius report for a symbol or file. Walks tree-sitting references, augments with a plain-text scan over non-parsed files (configs, plain docs), and clusters affected sites by feature (`_FEATURES.md`) or top-level package. Use when about to refactor, rename, or delete something in a repo you don't own — "what breaks if I change `validateUser`", "who calls this", "is this safe to remove", "where is this used", "blast radius", "impact analysis". This is the CONVERGENT pre-change risk skill — for "what is this repo?" use exploring-codebases; for "where is X?" use searching-codebases.
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Read Bluesky/ATProto without depending on Bluesky's AppView — interactions on a user's posts, thread replies, any repo's records, network-wide backlinks across every lexicon, an account's handle and PDS history, which collections are active network-wide, and layer-by-layer outage diagnosis. Use when bsky.app or the AppView is down or slow, when a Bluesky read returns timeouts or 5xx, when asked who liked/replied/quoted/reposted something, when pulling live Bluesky context cheaply, when reading records straight from a PDS, when asked who references a record or account anywhere on the network, whether an account has changed handle or migrated servers, or which lexicons and non-Bluesky apps are active on atproto. Complements browsing-bluesky, which routes everything through the AppView and fails when it does.
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