encore-migrate

encore-migrate is a skill for Claude Code from encoredev/skills. It costs 45 tokens per session (5,829 once invoked), scanned A, original, Apache-2.0.

A guided process for moving an existing backend application to Encore, a platform for building and running backend services. It works with different source languages and frameworks and targets Encore.ts or Encore Go.

In plain words
What is it for?
For examining an existing backend, creating a migration plan, migrating pending units one at a time, and checking which parts still need manual validation.
Why use it?
It breaks a broad migration into discovery, planning, and smaller migration units, with files that track progress across sessions.

Skill for Claude Code

Written for Claude Code: when-to-use in frontmatter.

Good fit For examining an existing backend, creating a migration plan, migrating pending units one at a time, and checking which parts still need manual validation.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/encoredev/skills/migrate
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.

Any agent
npx skills add encoredev/skills --skill migrate
Clone the repo
git clone --depth 1 https://github.com/encoredev/skills

Made for: Claude Code.

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 encore-migrate

README.md
[![agentmods](https://agentmods.dev/badge/skills/encoredev/skills/migrate/github.svg)](https://agentmods.dev/skills/encoredev/skills/migrate)
Your own site
<a href="https://agentmods.dev/skills/encoredev/skills/migrate"><img src="https://agentmods.dev/badge/skills/encoredev/skills/migrate/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 encore-migrate

Your own site · 80×15
<a href="https://agentmods.dev/skills/encoredev/skills/migrate"><img src="https://agentmods.dev/badge/skills/encoredev/skills/migrate.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,829 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00045 $0.05829
Opus 5.5 $0.00018 $0.02332
Sonnet 5.5 $0.00009 $0.01166
Haiku 4.5 $0.00005 $0.00583

Measured 20d ago against content hash 993c08b21ec2, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

encore-migrate 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 20d 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.

encore/migrate/SKILL.md · 460 lines

How it starts

The opening of the file, as written. The whole thing — 460 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Migrate to Encore

This skill guides migrating any existing backend application to Encore, one migration unit at a time. It supports any source language or framework and targets both Encore.ts and Encore Go. A migration-plan.md summary file and migration-plan/ directory of per-unit detail files are created at the Encore project root to track progress across sessions. This skill contains no Encore code examples — it delegates all Encore-specific implementation to the appropriate language-specific skills.

Phase Detection

Before doing anything, determine which phase to enter:

  • No migration-plan.md exists in the Encore project directory → Start at Phase 1: DISCOVER
  • migration-plan.md exists but no migration-plan/ directory → Resume at Phase 2: PLAN (discovery done, detail files not yet written)
  • migration-plan/ directory exists with pending units (any unit in the summary with status pending or in progress) → Resume at Phase 3: MIGRATE
  • All units in the summary are migrated, skipped, or manual validation needed → Go to Phase 4: COMPLETE

Autonomous Mode

The confirmation stops in this workflow (confirming units in Phase 1, approving the first unit in Phase 2, picking each next unit in Phase 3) are the default. If the user asks to run the migration through without stopping ("just migrate it", "do them all", "don't ask"), skip those stops:

  • Pick sensible defaults for open decisions (see "Key Decisions" in Phase 1) and state each one to the user in a short list before writing code
  • Record every default in the ## Decisions section of migration-plan.md so it can be revisited
  • Still ask before side-effecting HTTP calls against the source system, and never modify the source
  • Still validate every entity before marking it migrated

Resuming a Migration (Phase 3)

When migration-plan.md and migration-plan/ exist with pending units:

  1. Read migration-plan.md (summary only — do NOT read all detail files)
  2. Report current status to the user — for example: "3 of 7 units migrated, next suggested: billing (all its dependencies are migrated)"
  3. Ask the user what they would like to work on next, offering a suggestion based on the dependency order in the plan

Read the full file on GitHub · 460 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. 20d ago Changed · +37 lines 993c08b21ec2
  2. 2mo ago First seen · 423 lines · 45 tokens per session scan A 8d617d1e00fd

Subscribe to this mod's changes

encore-migrate is a skill published in the GitHub repository encoredev/skills (30 stars, last pushed 4d ago), licensed Apache-2.0. It adds 45 tokens to every session and 5,829 once invoked, about $0.0002 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.

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