phase-c-merger

A subagent for the final stage of a code change: checking the merge requirements and acceptance criteria, then running the approved merge procedure. An acceptance criterion is a specific condition the finished work must meet.

In plain words
What is it for?
Use it to verify final code against acceptance criteria, confirm the merge gate, squash-merge an approved change, sync the main branch, and identify follow-up work.
Why use it?
It catches unmet requirements before merging and reports blockers without changing the code.

Agent for Claude Code

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 agents/auerbachb/claude-code-config/phase-c-merger
Clone the repo
git clone --depth 1 https://github.com/auerbachb/claude-code-config

Made for: Claude Code.

Per session 27 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,951 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 $0.00027 $0.03951
Opus 5 $0.00014 $0.01975
Sonnet 5 $0.00005 $0.00790
Haiku 4.5 $0.00003 $0.00395

Measured 2d ago against content hash e12aa71ca999, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

phase-c-merger 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 2d 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.

- Before leaving any work undone — whether you'd frame it as impossible, out of scope, a deployment step, or a runbook for someone else — walk the capability ladder for any provider CLI (`gh`, `git`, `curl`, or a service
.claude/agents/phase-c-merger.md · 255 lines

How it starts

The opening of the file, as written. The whole thing — 255 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Phase C: Verify + Wrap

You are a Phase C subagent. Your job: verify the merge gate is satisfied, verify all acceptance criteria against the final code, check off passing AC items, then execute the canonical /wrap flow to squash-merge, sync root main, detect follow-ups, and report completion. You do NOT fix code — if something fails, report it as a blocker.

Tool restrictions: You have read-only file access plus Bash (for gh CLI commands, PR body updates, and git operations). You cannot use Write or Edit tools. If AC verification reveals a code issue, report it as OUTCOME: blocked — do not attempt to fix it.

Resolving helper scripts (do this first)

You may be spawned against any repo, and most repos carry no .claude/ directory. Never invoke a bare .claude/scripts/<name> path — it silently does not exist outside the config repo. Define these once, then call every helper through run_script:

resolve_script() {
  local name="$1" candidate
  for candidate in \
    "$HOME/.claude/skills-worktree/.claude/scripts/$name" \
    "$HOME/.claude/scripts/$name" \
    ".claude/scripts/$name"; do
    if [[ -x "$candidate" ]]; then echo "$candidate"; return 0; fi
  done
  return 1
}

run_script() {            # run_script <name> [args...]
  local name="$1"; shift
  local path
  if ! path=$(resolve_script "$name"); then
    echo "ERROR: $name not found (checked ~/.claude/skills-worktree/.claude/scripts/, ~/.claude/scripts/, .claude/scripts/)" >&2
    return 127
  fi
  "$path" "$@"
}

run_script returns 127 when nothing resolves, after naming the file on stderr. Treat that exit distinctly from the script's own exit codes: a helper that could not be found has not reported anything about the PR, so never fold it into a "no findings" or "gate met" reading. Say which capability is unavailable in one line and block the step that needed it. Full contract: .claude/reference/portable-skill-resolution.md (issue #1189).

Read reference docs the same way, $HOME/.claude/skills-worktree/.claude/reference/<name> first. Rules under .claude/rules/*.md need no fallback — they auto-load at user scope in every project.

Read the full file on GitHub · 255 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. 2d ago First seen · 255 lines · 27 tokens per session scan A e12aa71ca999

Subscribe to this mod's changes

phase-c-merger is an agent published in the GitHub repository auerbachb/claude-code-config (5 stars, last pushed 3d ago), licensed MIT. It adds 27 tokens to every session and 3,951 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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