watch-upstream

A documentation-monitoring tool that checks official Anthropic and Claude Code documentation for changes relevant to dotforge. Anthropic is the company that develops Claude Code; dotforge is the configuration project being monitored.

In plain words
What is it for?
Use it to fetch the official documentation and report changes affecting settings, hooks, memory, sub-agents, or command-line usage.
Why use it?
It reduces the risk of project instructions becoming outdated when Claude Code settings, hooks, commands, or features change.

Skill for Claude CodeCodex

Part of the dotforge plugin — 23 skills, 25 commands, 7 agents, 8 hooks shipped together

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/luiseiman/dotforge/watch-upstream
Any agent
npx skills add luiseiman/dotforge --skill watch-upstream
Clone the repo
git clone --depth 1 https://github.com/luiseiman/dotforge

Made for: Claude Code, Codex.

Or install dotforge, the plugin that ships this one along with the rest of its 23 skills, 25 commands, 7 agents, 8 hooks.

Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,023 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 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 $0.00024 $0.01023
Opus 5 $0.00012 $0.00511
Sonnet 5 $0.00005 $0.00205
Haiku 4.5 $0.00002 $0.00102

Measured 3d ago against content hash 1f47e0b9bf89, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

watch-upstream scanned grade A 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

If either tool is not found, fall back to `Bash(curl -s <url>)` for fetching.
skills/watch-upstream/SKILL.md · 108 lines

How it starts

The opening of the file, as written. The whole thing — 108 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Watch Upstream

Detect changes in official Claude Code documentation that may require updates to dotforge.

Step 0: Discover tools

WebFetch and WebSearch are deferred tools — they may not be loaded yet. Run ToolSearch("WebFetch WebSearch") to ensure both tools are available before proceeding. If either tool is not found, fall back to Bash(curl -s <url>) for fetching.

Step 1: Fetch current documentation

Use WebFetch to read these pages directly:

  1. https://code.claude.com/docs/en/overview — main feature list
  2. https://code.claude.com/docs/en/settings — settings.json schema, permissions
  3. https://code.claude.com/docs/en/hooks — hook types, events, matchers
  4. https://code.claude.com/docs/en/memory — memory and context management
  5. https://code.claude.com/docs/en/sub-agents — subagent capabilities (renamed from agent-tool)
  6. https://code.claude.com/docs/en/cli — CLI flags and options

If any URL fails, use WebSearch with query "Claude Code" <topic> site:code.claude.com as fallback.

If a URL returns 404 instead of redirecting, fall back to https://code.claude.com/docs/llms.txt (canonical index) and search for the slug — the new domain reorganized some paths (e.g. agent-tool → sub-agents).

Then search for recent announcements:

  • WebSearch: Claude Code new features 2026
  • WebSearch: Claude Code changelog site:anthropic.com
  • WebSearch: Claude Code hooks settings update site:github.com/anthropics

Step 2: Extract and classify changes

For each finding, check if it affects dotforge:

What to look for Where it impacts dotforge
New hook event types (beyond PreToolUse/PostToolUse/Stop) template/hooks/, stacks/*/hooks/
New settings.json fields or changed schema template/settings.json.tmpl, global/settings.json.tmpl
New permission categories stacks/*/settings.json.partial
Changed deny list behavior template/settings.json.tmpl deny section
New agent/subagent capabilities agents/*.md
New skill/command system features skills/*/SKILL.md
Deprecated features or breaking changes Any affected file
New CLI flags relevant to automation skills/benchmark/SKILL.md (uses claude --print)
MCP server changes global/settings.json.tmpl

Read the full file on GitHub · 108 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 · 108 lines · 24 tokens per session scan A 1f47e0b9bf89

Subscribe to this mod's changes

watch-upstream is a skill published in the GitHub repository luiseiman/dotforge (8 stars, last pushed 2mo ago), licensed MIT. It adds 24 tokens to every session and 1,023 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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