Tailored Install

An installation procedure that first checks an agent's environment before adding skills, settings, hooks, or instruction files.

In plain words
What is it for?
It detects the host agent and real configuration paths, merges or backs up existing files when needed, installs repeatably, and reports what changed.
Why use it?
It avoids installing to the wrong location or overwriting files that are already present.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/howdeploy/deploychan_mcp/tailored-install
Any agent
npx skills add howdeploy/deploychan_mcp --skill tailored-install
Clone the repo
git clone --depth 1 https://github.com/howdeploy/deploychan_mcp

Made for: Claude Code, Codex.

Per session 76 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,850 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00076 $0.01850
Opus 5 $0.00038 $0.00925
Sonnet 5 $0.00015 $0.00370
Haiku 4.5 $0.00008 $0.00185

Measured 3d ago against content hash 63dbaa769762, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

Tailored Install scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

- **Hooks & permissions:** `~/.claude/settings.json` (user),
content/skills/tailored-install/SKILL.md · 181 lines

How it starts

The opening of the file, as written. The whole thing — 181 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Tailored Install

The base skill of the deploychan MCP. Whenever you (a connected agent) are about to install a skill, setting/hook, or memory/instruction file for a user, run this discipline first. It is the implicit step 0 of every leveling-up route: "install X" always means "install X tailored to THIS user's machine" — not into a template, not into assumed paths.

This skill is agent-agnostic; the appendices at the end give concrete paths for Claude Code, Hermes and Codex.

Always keep in mind

  • Detect before you write. Never assume a path you have not verified.
  • Never overwrite blindly. Back up or merge, then confirm.
  • Ask when uncertain. A wrong guess pollutes the user's setup.
  • Install into the real environment, respecting what already exists.
  • Report exactly what changed and where.

Step 1 — Detect the environment (read-only)

Gather facts before touching anything. Read-only only:

  • Host agent: Claude Code, Cursor, Cline, Continue, Codex, Hermes, or generic? Look for tell-tale config dirs/files (e.g. a .claude/ dir, a .cursor/ dir, an AGENTS.md).
  • Which runtime and model you are. This is step 0 of everything: downstream capability choices branch on it. Hermes ships many things out of the box (memory providers, voice); Claude Code / Codex usually vibe-code the equivalent. Pick the wrong branch and you install a Hermes-only command into Claude Code, or hand-build what the host already has.
  • OS and home directory.
  • Where each surface lives for this agent: skill directory, memory/instruction file(s), hooks/permissions/settings file(s).
  • What already exists: installed skills, existing memory file, existing settings — so you can merge instead of clobber.

If a fact cannot be determined read-only, do not guess it — it becomes a question in Step 3.

Step 2 — Resolve target paths

From the detected facts, resolve the real destination for each in-scope surface:

  • Skill files — the agent's skill directory (user scope vs project scope).
  • Memory / instruction files — the agent's persistent instructions file.
  • Hooks / permissions / safe defaults — the agent's settings file.

Read the full file on GitHub · 181 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 181 lines · 76 tokens per session scan B 63dbaa769762

Subscribe to this mod's changes

Tailored Install is a skill published in the GitHub repository howdeploy/deploychan_mcp (11 stars, last pushed 4d ago), licensed MIT. It adds 76 tokens to every session and 1,850 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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