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.
npx agentmods add skills/encoredev/skills/migratenpx skills add encoredev/skills --skill migrategit clone --depth 1 https://github.com/encoredev/skillsWrote 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.
[](https://agentmods.dev/skills/encoredev/skills/migrate)<a href="https://agentmods.dev/skills/encoredev/skills/migrate"><img src="https://agentmods.dev/badge/skills/encoredev/skills/migrate.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00045 | $0.05029 |
| Opus 5 | $0.00023 | $0.02514 |
| Sonnet 5 | $0.00009 | $0.01006 |
| Haiku 4.5 | $0.00005 | $0.00503 |
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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 423 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.mdexists in the Encore project directory → Start at Phase 1: DISCOVER migration-plan.mdexists but nomigration-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 statuspendingorin progress) → Resume at Phase 3: MIGRATE- All units in the summary are
migrated,skipped, ormanual validation needed→ Go to Phase 4: COMPLETE
Resuming a Migration (Phase 3)
When migration-plan.md and migration-plan/ exist with pending units:
- Read
migration-plan.md(summary only — do NOT read all detail files) - Report current status to the user — for example: "3 of 7 units migrated, next suggested: billing (all its dependencies are migrated)"
- Ask the user what they would like to work on next, offering a suggestion based on the dependency order in the plan
Phase 1 — Discover
1. Gather Information
Ask the user for:
- Path to the source system (the existing codebase being migrated)
- Local URL where the source system runs (if applicable — needed for HTTP comparison validation later)
- Target language: Encore.ts or Encore Go
2. Analyze the Source Codebase
Read the source codebase and inventory all entities:
| Category | What to look for |
|---|---|
| Services / modules / domains | Distinct bounded contexts, separate deployable units, route groupings |
| API endpoints | Method, path, handler function, request/response shapes |
| Databases | Type (Postgres, MySQL, etc.), tables, schemas, migration files |
| Pub/Sub topics and subscriptions | Topic names, publishers, subscribers, message shapes |
| Cron jobs / scheduled tasks | Schedule expressions, handler functions |
| Auth middleware / handlers | Authentication strategies, token validation, session management |
| Secrets / environment variables | All referenced env vars and secrets, noting which are sensitive |
| Existing tests | Test files, which entities they cover, test framework used |
| Frontend code | React/Vue/Angular components, static HTML, CSS, client-side JS — these are out of scope |
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.
- 4d ago First seen · 423 lines · 45 tokens per session scan A 8d617d1e00fd
encore-migrate is a skill published in the GitHub repository encoredev/skills (26 stars, last pushed today), licensed Apache-2.0. It adds 45 tokens to every session and 5,029 once invoked, about $0.0002 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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