feat(94-dintel-bootstrap): add MCP agent installer skill

New Claude Skill that wraps the `dintel-bootstrap` CLI from the
dintel-auth package to install and diagnose the three D.intelligence
custom MCP agents (DTM, D.DA, OurSEO) in ~/.claude/settings.json.

Triggers on: "set up MCP agents", "install DTM/D.DA/OurSEO", "run MCP
doctor", "bootstrap a new machine", "my MCP agents stopped working".

Scope boundaries:
- Only registers existing agent installs (does NOT clone agent repos)
- Only touches ~/.claude/settings.json (does NOT modify .mcp.json)
- Does NOT store secrets; OurSEO profile uses op run wrapper
- Does NOT trigger interactive auth; prompts user to run op signin

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

custom-skills/94-dintel-bootstrap/README.md

@@ -0,0 +1,51 @@
+# 94-dintel-bootstrap
+
+**Claude Skill for installing and verifying D.intelligence custom MCP agents.**
+
+Wraps the `dintel-bootstrap` CLI (shipped in the `dintel-auth` Python package)
+so Claude Code can install, verify, and diagnose the three custom MCP agents
+used across D.intelligence work:
+
+| Agent | Role |
+|-------|------|
+| **DTM** (`dtm-agent`) | Google Tag Manager tag/trigger/variable management |
+| **D.DA** (`dda`) | Google Analytics 4 + Search Console analytics |
+| **OurSEO** (`ourseo`) | SEO crawler, audit, KG/CSE search, schema tools |
+
+## Activation Triggers
+
+The skill activates automatically when the user says things like:
+
+- "Set up MCP agents on this machine"
+- "Install DTM / D.DA / OurSEO"
+- "Run MCP doctor"
+- "My MCP agents stopped working"
+- "Bootstrap a new laptop"
+
+## What It Does
+
+1. Checks prerequisites (`op`, `gcloud` ADC, Python 3.10+, `uv`).
+2. Installs `dintel-auth` if not already present.
+3. Runs `dintel-bootstrap doctor --agent all` (read-only diagnosis).
+4. On failure, runs `dintel-bootstrap install --agent all` to repair
+   `~/.claude/settings.json`.
+5. Prompts the user to restart Claude Code.
+
+## What It Does NOT Do
+
+- **Does not install the three agent repos themselves.** Each has its own
+  install script (`install` / `setup.sh` in the agent's repo). Run those
+  first; this skill only registers existing installs in MCP config.
+- **Does not modify project-scoped `.mcp.json` files.** Only touches
+  `~/.claude/settings.json`.
+- **Does not store secrets.** All sensitive values remain in 1Password;
+  the OurSEO profile uses `op run` to inject them at MCP launch time.
+- **Does not trigger interactive auth.** `op signin`, `gcloud auth login`,
+  and Touch ID confirmations must happen in the user's own terminal.
+
+## Related
+
+- `dintel-auth` — the Python package that owns the `dintel-bootstrap` CLI and
+  the MCP profile JSONs.
+- `91-multi-agent-guide` — multi-agent collaboration framework (different
+  scope: project-level agent coordination, not machine bootstrap).