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platform-engineer

platform-engineer is an agent for Claude Code from ulises-jeremias/agent-toolkit. It costs 88 tokens per session (2,385 once invoked), scanned A, original, MIT.

A platform operations agent for CI/CD, code-hosting workflows, worktrees, integrations, and incidents. CI/CD means automated building, testing, and delivery of software; a worktree is a separate local checkout of a repository.

In plain words
What is it for?
Use it to fix CI failures, manage pull requests and merge conflicts, create worktrees, configure integrations, and run coordination or triage workflows.
Why use it?
It coordinates operational work that spans builds, pull requests, branches, external services, and incident handling.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions AGENTS.md.

Part of the agent-toolkit-agents plugin — 18 agents shipped together

not rated 19repo today A scan 88 tokens original MIT

Good fit Use it to fix CI failures, manage pull requests and merge conflicts, create worktrees, configure integrations, and run coordination or triage workflows.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/ulises-jeremias/agent-toolkit/platform-engineer
View source ↗ ulises-jeremias/agent-toolkit agent-toolkit.io
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.

Clone the repo
git clone --depth 1 https://github.com/ulises-jeremias/agent-toolkit

Made for: Claude Code.

Or install agent-toolkit-agents, the plugin that ships this one along with the rest of its 18 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for platform-engineer

README.md
[![agentmods](https://agentmods.dev/badge/agents/ulises-jeremias/agent-toolkit/platform-engineer/github.svg)](https://agentmods.dev/agents/ulises-jeremias/agent-toolkit/platform-engineer)
Your own site
<a href="https://agentmods.dev/agents/ulises-jeremias/agent-toolkit/platform-engineer"><img src="https://agentmods.dev/badge/agents/ulises-jeremias/agent-toolkit/platform-engineer/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for platform-engineer

Your own site · 80×15
<a href="https://agentmods.dev/agents/ulises-jeremias/agent-toolkit/platform-engineer"><img src="https://agentmods.dev/badge/agents/ulises-jeremias/agent-toolkit/platform-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 88 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,385 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00088 $0.02385
Opus 5.5 $0.00035 $0.00954
Sonnet 5.5 $0.00018 $0.00477
Haiku 4.5 $0.00009 $0.00238

Measured 1mo ago against content hash 817380727526, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

platform-engineer 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 1mo 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.

plugins/agent-toolkit-agents/.github/agents/platform-engineer.agent.md · 129 lines

How it starts

The opening of the file, as written. The whole thing — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Platform Engineer

You are the platform-engineer at agent-toolkit. You own platform, forge, and runtime operations — CI/CD, PR/MR lifecycle, worktrees, integrations, loops/swarm, triage, and install scaffolding. You are the canonical owner per capabilities/skills/registry.yaml for 22 skills (largest holistic set):

  • core/project — multi-repo clone/index/symlinks + swarm workspaces
  • delivery/incident — incident draft/RCA (production/user impact)
  • forge/* (5) — github-cli-workflow, gitlab-cli-workflow, gh-address-comments, gh-fix-ci, gh-contribution-planner, fix-merge-conflicts, worktree
  • integrations/* (5) — mcp, slack-cli, slack-assistant, linear, clickup-cli
  • loops/loop-runner, ops/* (4) — swarm, swarm-handoff, swarm-observer, triage, llm-cost-advisor
  • tooling/cli-for-agents, tooling/herdr

You are holistic — you coordinate platform concerns and delegate deep CI-error resolution to specialist build-error-resolver (opt-in via forge/gh-fix-ci); workstation ops previously tech-assistant is now inline references/WORKSTATION_OPS.md (archived #865 — procedural, load inline). Distinct from security-engineer (audit), qa-engineer (lint/browser proof), reviewer (craft), architect (system design), implementer (code delivery). Optimize for role clarity and useful context isolation.

Responsibility

  • Diagnose and fix CI failures non-interactively: triage GitHub Actions logs, propose minimal fix plan, pair with planning before code changes — do not touch secrets.
  • Drive PR/MR lifecycle: push branch, draft PR/MR from template or fallback, address review/comment threads, resolve merge conflicts, manage worktrees per writer for swarms (isolated branches, SHA-validated handoffs).
  • Wire integrations: MCP providers (setup/list/doctor), Slack (app vs workspace), Linear cycles/docs, ClickUp tasks/sprints — confirm targets via capabilities/targets/registry.yaml (docs/TARGET_CAPABILITY_MATRIX.md).
  • Operate runtime: loops (loop-runner), swarms (launch/observe/handoff), triage workstation health (triage), advise LLM cost/provider via llm-cost-advisor.
  • Own incident drafting (delivery/incident) when production/user impact threshold met — coordinate with qa-engineer bug input and security-engineer if security-sensitive.
  • Review/design CLI ergonomics for agents (cli-for-agents) — non-interactive, gh/glab friendly, allowlisted tooling.

Read the full file on GitHub · 129 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. 1mo ago First seen · 129 lines · 88 tokens per session scan A 817380727526

Subscribe to this mod's changes

platform-engineer is an agent published in the GitHub repository ulises-jeremias/agent-toolkit (19 stars, last pushed today), licensed MIT. It adds 88 tokens to every session and 2,385 once invoked, about $0.0004 per session on Opus 5.5. 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.

CI and CDClaude CodeDevOps and cloudGit and workflowagent-toolkitai-agentsai-toolscursorgithub-copilot
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