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Agent skill

Alchemy Upgrade Migration

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Migrate archived Alchemy JavaScript SDK integrations to current capability-specific clients with parity, canary, and rollback evidence.

MITAuto-check passedDevOps & Cloud

Install Alchemy Upgrade Migration

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill alchemy-upgrade-migration -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace alchemy-upgrade-migration --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/alchemy-upgrade-migration .claude/skills/alchemy-upgrade-migration && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
alchemy-upgrade-migration
GitHub stars
2.8k
Token cost
~1.3k tokens
SKILL.md length
555 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Migrate archived Alchemy JavaScript SDK integrations to current capability-specific clients with parity, canary, and rollback evidence.

  • Works in 6 steps: Freeze dependency locks and inventory… → Route EVM RPC to viem, product HTTP… → Define normalized parity contracts for… → …
  • Removing alchemy-sdk
  • SKILL.md covers Overview, Prerequisites, Current Contract and Authentication, plus 8 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Alchemy Upgrade Migration is an agent skill from jeremylongshore/tons-of-skills-marketplace. Migrate archived Alchemy JavaScript SDK integrations to current capability-specific clients with parity, canary, and rollback evidence. Use when removing alchemy-sdk or upgrading Wallet APIs. Trigger with "migrate alchemy-sdk", "replace alchemy-web3", or "upgrade Wallet APIs to v5".

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/official-docs.md`). Compatibility notes: Designed for Claude Code; live Alchemy access requires network access, an appropriate credential, account capacity, and explicit approval

It sits in DevOps & Cloud, covering Deployment, Crypto and DeFi analysis and Third-party API integration. It works with JavaScript and Solana. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Removing alchemy-sdk
  • Upgrading Wallet APIs
  • With migrate alchemy-sdk
  • Replace alchemy-web3

Example prompts

  • “migrate alchemy-sdk”
  • “replace alchemy-web3”
  • “upgrade Wallet APIs to v5”
  • “/alchemy-upgrade-migration”

Requirements

  • Compatibility (from SKILL.md): Designed for Claude Code; live Alchemy access requires network access, an appropriate credential, account capacity, and explicit approval
  • Pre-approved tools (allowed-tools): Read, Glob, Grep, Write, Edit

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Freeze dependency locks and inventory every alchemy-sdk, alchemy-web3, endpoint, namespace, WebSocket, Notify, Data API, Wallet, and…
  2. Route EVM RPC to viem, product HTTP calls to typed adapters, transacting/Portfolio use to Wallet APIs v5 where applicable, and Solana use…
  3. Define normalized parity contracts for values, pagination, partial errors, retryability, chain identity, subscriptions, and transaction…
  4. Build fixtures and dual-read comparison for read-only paths; use simulation/testnet and explicit authorization for transaction paths.
  5. Canary one capability at a time with stop thresholds and the old artifact still deployable; remove deprecated imports only after parity…
  6. Update runbooks, CI bans, lockfiles, observability, owners, and rollback; separately follow the current Wallet APIs v5 guide for v4…

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Glob
    • Grep
    • Write
    • Edit

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Designed for Claude Code; live Alchemy access requires network access, an appropriate credential, account capacity, and explicit approval

    From compatibility in the SKILL.md frontmatter.

Context cost

Alchemy Upgrade Migration loads about 1.3k tokens when it runs, and up to ~2.1k if it reads all its reference files. Until then it costs about 77 tokens; SKILL.md has 555 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~77
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 555 words, ~1,299 tokens.

Download SKILL.mdSave it as .claude/skills/alchemy-upgrade-migration/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
alchemy-upgrade-migration
description
Migrate archived Alchemy JavaScript SDK integrations to current capability-specific clients with parity, canary, and rollback evidence. Use when removing alchemy-sdk or upgrading Wallet APIs. Trigger with "migrate alchemy-sdk", "replace alchemy-web3", or "upgrade Wallet APIs to v5".
allowed-tools
Read, Glob, Grep, Write, Edit
compatibility
Designed for Claude Code; live Alchemy access requires network access, an appropriate credential, account capacity, and explicit approval
argument-hint
<source-client> <capability-set> <release-scope>
version
2.0.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, alchemy, migration, viem
model
inherit
effort
high

Alchemy Archived SDK Migration

Overview

Migrate archived Alchemy JavaScript SDK integrations to current capability-specific clients with parity, canary, and rollback evidence. This workflow produces a reviewable artifact and negative-path evidence before any live side effect.

Prerequisites

  • Current first-party Alchemy documentation for the selected product, chain, feature, client, authentication method, limit, and lifecycle.
  • Named product, application, security, data/privacy, budget, release, and operations owners appropriate to the requested scope.
  • Synthetic or approved non-production fixtures, a credential canary, explicit success criteria, and a tested rollback boundary.

Current Contract

alchemy-sdk is deprecated and its repository is archived. Current migration targets are capability-specific: viem for JavaScript EVM RPC, direct documented Data API adapters, @alchemy/wallet-apis for transacting apps and Portfolio support, and Solana Web3.js for Solana. Wallet APIs v5 has a separate first-party migration guide.

Authentication

Inventory every credential the old client could access and grant each replacement adapter only its needed class. Do not let migration move secrets from a server boundary to browser code or merge read and signing authority.

Instructions

  1. Freeze dependency locks and inventory every alchemy-sdk, alchemy-web3, endpoint, namespace, WebSocket, Notify, Data API, Wallet, and signer use by capability and side effect.
  2. Route EVM RPC to viem, product HTTP calls to typed adapters, transacting/Portfolio use to Wallet APIs v5 where applicable, and Solana use to Solana Web3.js.
  3. Define normalized parity contracts for values, pagination, partial errors, retryability, chain identity, subscriptions, and transaction intent; preserve raw evidence for differences.
  4. Build fixtures and dual-read comparison for read-only paths; use simulation/testnet and explicit authorization for transaction paths.
  5. Canary one capability at a time with stop thresholds and the old artifact still deployable; remove deprecated imports only after parity and negative paths pass.
  6. Update runbooks, CI bans, lockfiles, observability, owners, and rollback; separately follow the current Wallet APIs v5 guide for v4 consumers.

Tool Discipline

Use Read, Glob, and Grep to inspect current documentation, configuration, code, fixtures, and evidence. Use Write and Edit only for approved repository artifacts. Skill invocation alone does not authorize network access, credentials, wallet addresses, customer data, plan changes, spend, key creation or rotation, webhook changes, deployment, replay, transaction construction, signing, broadcast, or deletion.

Show full SKILL.md (197 more words)Show less

Approval Boundaries

Architecture approves target routing; security approves changed credential and signing boundaries; release/product approve canary and normalized differences. Production transaction migration requires explicit wallet-policy approval.

Error Handling

  • Do not replace the archived SDK with one universal wrapper that hides product-specific contracts.
  • Do not treat different pagination, partial-error, finality, or numeric semantics as cosmetic parity.
  • If a canary breaches correctness, completeness, latency, error, or spend thresholds, route back to the prior artifact.

Output

Return the legacy call inventory, target routing, credential delta, parity schema, fixture/dual-read evidence, canary thresholds, deprecated-import gate, rollout sequence, unresolved differences, and rollback receipt. Mark assumptions, observations, source dates, environment-specific behavior, owners, and unresolved gaps explicitly.

Examples

  • Migrate an alchemy.core.getBalance call to a viem public client and compare normalized values and chain IDs before switching traffic.
  • Migrate Portfolio behavior only after proving the replacement preserves top-level partialErrors and fresh retry of failed networks.

Validation

Exercise and record expected and observed results for:

  • archived import scan
  • numeric parity
  • pagination parity
  • partial-error parity
  • wrong credential boundary
  • canary rollback

Resources

  • Current first-party evidence map — recheck dated Alchemy sources before execution.
  • Treat observed account, application, network, indexer, chain, or provider behavior as environment-specific evidence, never a universal guarantee.

© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/.curated/alchemy-upgrade-migration of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/official-docs.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Alchemy Upgrade Migration next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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NEAR Intents Swap Integrationinternet-court/internet-court-skill6.6k1 repos~939Automated safety check: PassCustom licence
Phantom Connect and DFlowinternet-court/internet-court-skill6.6k—~1.8kAutomated safety check: PassMIT

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Works with

Categories

Questions about Alchemy Upgrade Migration

What does Alchemy Upgrade Migration do?

Migrate archived Alchemy JavaScript SDK integrations to current capability-specific clients with parity, canary, and rollback evidence. Alchemy Upgrade Migration is an agent skill from jeremylongshore/tons-of-skills-marketplace. Migrate archived Alchemy JavaScript SDK integrations to current capability-specific clients with parity, canary, and rollback evidence.

When should I use Alchemy Upgrade Migration?

Alchemy Upgrade Migration fits situations like: removing alchemy-sdk; upgrading Wallet APIs; with migrate alchemy-sdk; replace alchemy-web3.

How do I install Alchemy Upgrade Migration in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill alchemy-upgrade-migration -a claude-code`. Or copy the skill folder (skills/.curated/alchemy-upgrade-migration in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/alchemy-upgrade-migration in your project. Claude Code loads it when a task matches its description.

How do I install Alchemy Upgrade Migration in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill alchemy-upgrade-migration -a codex`. Or copy the skill folder (skills/.curated/alchemy-upgrade-migration in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/alchemy-upgrade-migration in your project. Codex loads it when a task matches its description.

Can I use Alchemy Upgrade Migration in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill alchemy-upgrade-migration -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/alchemy-upgrade-migration, .gemini/skills/alchemy-upgrade-migration, .github/skills/alchemy-upgrade-migration and .opencode/skills/alchemy-upgrade-migration in your project.

What does Alchemy Upgrade Migration need to run?

SKILL.md names no scripts, command-line tools or credentials: Alchemy Upgrade Migration is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Glob, Grep, Write, Edit. Compatibility (from SKILL.md): Designed for Claude Code; live Alchemy access requires network access, an appropriate credential, account capacity, and explicit approval.

Does Alchemy Upgrade Migration access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Alchemy Upgrade Migration safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Alchemy Upgrade Migration use?

Alchemy Upgrade Migration is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Alchemy Upgrade Migration use?

About 1.3k tokens (SKILL.md is roughly 5.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 802 tokens, read only when the agent opens those files.

What are the alternatives to Alchemy Upgrade Migration?

Skills that share tags, products or a category with Alchemy Upgrade Migration: CCXT Crypto Exchange Library (2025Emma/vibe-coding-cn, 23k stars), Pyth Network Price Feeds (internet-court/internet-court-skill, 6.6k stars), Birdeye DeFi Market Data (internet-court/internet-court-skill, 6.6k stars) and NEAR Intents Swap Integration (internet-court/internet-court-skill, 6.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Alchemy Upgrade Migration?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.