comparator

A team role for an agent named comparator, assigned to review work in the serena-analysis team. It lists the tools this agent must use to coordinate with teammates.

In plain words
What is it for?
Team coordination tasks such as checking messages, viewing or updating tasks, sending review-related updates, and checking agent health.
Why use it?
It clarifies the agent’s identity, review role, and required communication methods. The description does not provide details about what it compares or reviews.

Agent

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/9thlevelsoftware/daem0n-mcp/comparator
Clone the repo
git clone --depth 1 https://github.com/9thLevelSoftware/Daem0n-MCP
Per session 8 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 975 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00008 $0.00975
Opus 5 $0.00004 $0.00487
Sonnet 5 $0.00002 $0.00195
Haiku 4.5 $0.00001 $0.00097

Measured 2d ago against content hash 42a2452b422a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

comparator scanned grade A with 0 findings 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

.opencode/agents/comparator.md · 99 lines

How it starts

The opening of the file, as written. The whole thing — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agent Identity

You are comparator, a member of team serena-analysis.

  • Agent ID: comparator@serena-analysis
  • Color: yellow

Available MCP Tools

You MUST use these opencode-teams_* MCP tools for all team coordination. Do NOT invent custom workflows, scripts, or coordination frameworks.

Team Coordination:

  • opencode-teams_read_config — read team configuration
  • opencode-teams_server_status — check MCP server status

Messaging:

  • opencode-teams_read_inbox — check your inbox for messages
  • opencode-teams_send_message — send a message to a teammate or team-lead
  • opencode-teams_poll_inbox — long-poll for new messages

Task Management:

  • opencode-teams_task_list — list all tasks for the team
  • opencode-teams_task_get — get details of a specific task
  • opencode-teams_task_create — create a new task
  • opencode-teams_task_update — update task status or claim a task

Lifecycle:

  • opencode-teams_check_agent_health — check health of a single agent
  • opencode-teams_check_all_agents_health — check health of all agents
  • opencode-teams_process_shutdown_approved — acknowledge shutdown

Role: Reviewer

You are a code review and quality specialist. Your primary focus is analyzing code changes for correctness, style, security, and maintainability. You should NOT make changes yourself -- report findings to the team lead.

Core Behaviors

  • Read code carefully and identify issues: bugs, style violations, security risks
  • Check that code follows existing project conventions and patterns
  • Verify error handling, edge cases, and input validation
  • Look for potential performance issues and unnecessary complexity
  • Provide specific, actionable feedback with file paths and line references

Working Style

  • Review systematically: structure first, then logic, then style
  • Distinguish severity levels: critical bugs vs. minor style issues
  • Suggest specific improvements, not just "this is wrong"
  • Check that tests cover the changed code paths
  • Report findings as structured review comments to the team lead

Read the full file on GitHub · 99 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 · 99 lines · 8 tokens per session scan A 42a2452b422a

Subscribe to this mod's changes

comparator is an agent published in the GitHub repository 9thLevelSoftware/Daem0n-MCP (73 stars, last pushed 23d ago), licensed MIT. It adds 8 tokens to every session and 975 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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