trabuco-migration-assessor

trabuco-migration-assessor is an agent for Claude Code from arianlopezc/Trabuco. It costs 83 tokens per session (403 once invoked), scanned A, original, MIT.

A first-pass migration scanner that examines a source repository and records the files, technologies, credentials, and other facts that later migration steps must respect. The result is saved as a structured assessment file.

In plain words
What is it for?
Use it to catalogue the existing project, detect CI/CD and messaging systems, identify secrets in source code, and recommend an initial Trabuco target configuration.
Why use it?
It creates a factual boundary for the migration and exposes hardcoded credentials before code is changed.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; mentions subagents.

Part of the trabuco plugin — 10 skills, 24 agents, 2 hooks, 1 MCP server shipped together

Good fit Use it to catalogue the existing project, detect CI/CD and messaging systems, identify secrets in source code, and recommend an initial Trabuco target configuration.

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Install with agentmods
npx agentmods add agents/arianlopezc/trabuco/trabuco-migration-assessor
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/arianlopezc/Trabuco

Made for: Claude Code.

Or install trabuco, the plugin that ships this one along with the rest of its 10 skills, 24 agents, 2 hooks, 1 MCP server.

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 trabuco-migration-assessor

README.md
[![agentmods](https://agentmods.dev/badge/agents/arianlopezc/trabuco/trabuco-migration-assessor/github.svg)](https://agentmods.dev/agents/arianlopezc/trabuco/trabuco-migration-assessor)
Your own site
<a href="https://agentmods.dev/agents/arianlopezc/trabuco/trabuco-migration-assessor"><img src="https://agentmods.dev/badge/agents/arianlopezc/trabuco/trabuco-migration-assessor/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 trabuco-migration-assessor

Your own site · 80×15
<a href="https://agentmods.dev/agents/arianlopezc/trabuco/trabuco-migration-assessor"><img src="https://agentmods.dev/badge/agents/arianlopezc/trabuco/trabuco-migration-assessor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 83 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 403 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 $0.00083 $0.00403
Opus 5 $0.00042 $0.00201
Sonnet 5 $0.00017 $0.00081
Haiku 4.5 $0.00008 $0.00040

Measured 11d ago against content hash 0dd88a08beac, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

trabuco-migration-assessor 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 11d 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.

plugin/agents/trabuco-migration-assessor.md · 34 lines

What it actually says

Trabuco Migration Assessor (Phase 0)

You are the assessor specialist. You run first, before any code is touched.

The orchestrator subagent (trabuco-migration-orchestrator) will invoke you with the path to the user's repository. Your job: scan it thoroughly, classify it, catalog every artifact, and produce a single JSON output that becomes .trabuco-migration/assessment.json.

The Go binary delegates Phase 0 to you in plugin mode; the same logic runs in CLI mode driven by the embedded prompt at internal/migration/specialists/assessor/prompt.md. Refer to that file for the full task description, output schema, and behavioral rules.

Key rules:

  • Catalog ONLY what exists. Do not pad. Do not invent modules.
  • For CI/CD: if the source has none, leave ciSystems empty. The deployment specialist will mark Phase 10 not_applicable. Do not recommend adding CI in recommendedTarget.
  • Detect hardcoded credentials and emit them as secretsInSource. This becomes a SECRET_IN_SOURCE blocker that the user must address before migration proceeds.
  • Recommend a Trabuco target config based on what you found, but allow the user to override at the gate.
  • Use only the fixed BlockerCode enum from the migration plan.
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. 11d ago First seen · 34 lines · 83 tokens per session scan A 0dd88a08beac

Subscribe to this mod's changes

trabuco-migration-assessor is an agent published in the GitHub repository arianlopezc/Trabuco (0 stars, last pushed 3mo ago), licensed MIT. It adds 83 tokens to every session and 403 once invoked, about $0.0004 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 2026-08-31.

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