tdd-migrate

tdd-migrate is a skill for Claude Code from parcadei/Continuous-Claude-v3. It costs 19 tokens per session (1,528 once invoked), scanned A, original, MIT.

An agent-led workflow for migrating code in repeated steps: analyze the existing pattern, write failing tests, implement the change, build it, and check the result. It keeps the coordinating agent's context small by delegating the work.

In plain words
What is it for?
Use it to port modules between languages or architectures, create multiple similar adapters, and implement several related items from an existing reference pattern.
Why use it?
It makes repeated migrations more consistent and ensures each new piece is guided by tests before production code is written.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: names the TodoWrite tool.

Not installable: its command points at a path on the author’s own machine, so it runs nowhere else. The line is /Users/cosimo/Documents/rigg/src/sdk/providers.

Good fit Use it to port modules between languages or architectures, create multiple similar adapters, and implement several related items from an existing reference pattern.

Compare 6 skills from other repositories ↓
About the project

Continuous-Claude-v3 is a Claude Code development environment that preserves working context between sessions, coordinates specialized agents, and stores project knowledge through ledgers, handoffs, and analysis tools. It is for people using Claude Code on ongoing or complex software work. Its catalogue entries are the skills, agents, hooks, plugin, and setting that provide its workflows and orchestration.

parcadei/Continuous-Claude-v3 · 3,936 stars · on GitHub

Install

Getting it into your agent

There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.

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.

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README.md
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Your own site
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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.

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Your own site · 80×15
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Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,528 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
  • Socket pass 18 Mar 2026
  • Snyk pass 15 Feb 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 $0.00019 $0.01528
Opus 5 $0.00010 $0.00764
Sonnet 5 $0.00004 $0.00306
Haiku 4.5 $0.00002 $0.00153

Measured 5d ago against content hash 21ef4e9de16f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

tdd-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 5d 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.

.claude/skills/tdd-migrate/SKILL.md · 255 lines

How it starts

The opening of the file, as written. The whole thing — 255 lines — stays where its author put it; the contents beside it link to each section on GitHub.

TDD Migrate

Orchestrate TDD migrations with agents doing all work. Main context stays clean.

When to Use

  • "Port X from Python to TypeScript"
  • "Create N adapters following existing pattern"
  • "Migrate module to new architecture"
  • "TDD implementation of multiple similar items"

Parameters

/tdd-migrate <source_path> <target_path> --pattern <reference> --items "item1,item2,item3"
  • source_path: Path to analyze (existing code)
  • target_path: Where to create new code
  • pattern: Reference file/pattern to follow
  • items: Comma-separated list of things to create

Workflow

Phase 0: YAML TODO List
    │
    ▼
Phase 1: TLDR Analysis ─────────────────┐
    │                                    │
    ▼                                    │ Parallel scouts
Phase 2: Write Failing Tests ───────────┤ per item
    │                                    │
    ▼                                    │
Phase 3: Implement (minimal) ───────────┤
    │                                    │
    ▼                                    │
Phase 4: Build + Pass Tests ────────────┘
    │
    ▼
Phase 5: QLTY Check ────────────────────┐
    │                                    │ Parallel
Phase 6: Review Agent Validates ────────┘
    │
    ▼
Phase 7: TLDR Diff (new vs reference)
    │
    ▼
Phase 8: Fix Issues (if any)
    │
    ▼
Complete

Key Principles

  1. Main context = orchestration only

    • Never read files directly (use scout)
    • Never implement directly (use kraken/spark)
    • Never run tests directly (use validator)
    • Only pipe context and coordinate
  2. Agents do ALL work

    Task Agent
    Explore/analyze scout
    Write tests + implement kraken
    Quick fixes spark
    Run tests/validate validator
    Code review critic
  3. Parallel where independent

    • All items can be implemented in parallel if independent
    • Review + QLTY run in parallel
    • TLDR analysis runs in parallel with planning

Read the full file on GitHub · 255 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. 5d ago First seen · 255 lines · 19 tokens per session scan A 21ef4e9de16f

Subscribe to this mod's changes

tdd-migrate is a skill published in the GitHub repository parcadei/Continuous-Claude-v3 (3,936 stars, last pushed 7mo ago), licensed MIT. It adds 19 tokens to every session and 1,528 once invoked, about $0.0001 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 2026-09-03.

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