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Claude Code by Anthropic is an agent-based development tool that autonomously codes by understanding entire codebases. Available via CLI, IDE, Desktop, and Web. Complete 2026 guide covering Opus 4.6, MCP, Agent Teams, and advanced features.

A visual step-by-step guide covering the entire OpenAI Codex workflow — from task delegation to GitHub PR merge. Includes parallel task execution, prompt writing best practices, GitHub Actions integration, MCP external tool connections, and team workflow best practices.

OpenAI's Symphony, released in 2026 as an open-source spec, defines a "ticket-driven AI development" pattern: each Linear issue gets its own Codex agent in its own workspace and runs until the issue reaches a terminal state. This article walks through the spec's core ideas, the Elixir reference implementation, the polling / supervisor / workspace-isolation architecture, and the realistic operational considerations for adopting it — based on publicly available information.

Complete React Native testing strategy guide covering Jest, React Native Testing Library, Detox E2E testing, Snapshot Testing, and CI/CD integration from Oflight Inc.

**[DeepWiki (deepwiki.com)](https://deepwiki.com/) is an AI documentation tool from [Cognition Labs](https://www.cognition-labs.com/) — the [Devin](../columns/claude-fable-5-return-devin-cursor-2026-07) team**. **Replace `github.com` with `deepwiki.com` in any public GitHub URL** and the repo becomes an interactive wiki. **Core experience**: (1) **architecture diagrams** visualizing component dependencies, (2) **file-linked summaries** describing each module / function with direct links to the source, (3) **natural-language chat** grounded in the code ("who calls this function?", "why is it designed this way?"). **50,000+ top OSS repos are pre-indexed** (MCP, LangChain, Next.js, React, [Transformers](https://huggingface.co/docs/transformers), [VSCode](https://code.visualstudio.com/), [Playwright](https://playwright.dev/), etc.). **Private-repo support**: connect your GitHub to Devin and internal repos can also be analyzed by DeepWiki, with Devin's agent using the generated wiki when planning and executing tasks. **MCP server** — an **official one for [Cursor](../columns/cursor-ios-supports-2026-07-01) / [Claude Code](https://claude.com/product/claude-code) / Claude Desktop** so coding agents can consult DeepWiki mid-task. **Tech**: Cognition Labs' Devin AI plus the Claude Agent SDK (Claude 3.7-class LLMs); **free**. **Position**: alongside [Herdr (parallel execution)](../columns/herdr-terminal-agent-multiplexer-2026-07), [Mosaic (SHARED CONTROL)](../columns/mosaic-parallel-claude-code-2026-07), [Command Code (taste-1)](../columns/commandcode-taste-1-personalized-coding-agent-2026-07), [grill-me](../columns/grill-me-agent-skill-2026-07), and [Cerebras Gemma 4](../columns/cerebras-gemma-4-31b-multimodal-inference-2026-07), it occupies the **"understanding layer"** of the **"understand × parallel × personalized × thoroughly reviewed × fast inference" late-2026 AI dev stack**, cutting new-contributor onboarding from **days to hours**. **Caveats**: LLM hallucination remains (verify load-bearing claims by clicking through citations), Cognition Labs / Devin ecosystem dependency, and data-sovereignty considerations for private-repo use.

**June 16, 2026 Update**: On the very day of enforcement (June 15, 2026), Anthropic **paused the planned split of Claude Agent SDK, `claude -p`, GitHub Actions, and third-party app (OpenClaw, Zed, Conductor, etc.) usage from subscription rate limits**. The [official Help Center article](https://support.claude.com/en/articles/15036540-use-the-claude-agent-sdk-with-your-claude-plan) was amended with: "Update June 15: We are pausing the changes to Claude Agent SDK usage described below. For now, nothing has changed: Claude Agent SDK, `claude -p`, and third-party app usage still draw from your subscription is usage limits. The previously announced monthly credit, which would have been available to eligible claimants in connection with these changes, isn it available. We are working to update the plan to better support how users build with Claude subscriptions. When we have an update, we will share it before anything takes effect." **The previously announced monthly credits (Pro $20 / Max 5x $100 / Max 20x $200 / Team $20-100 / Enterprise $200) were not distributed**. Programmatic usage now once again draws from standard subscription limits. The change is officially a **pause, not a full rollback** — Anthropic says it is reworking the plan and will share details before anything new ships. The backlash that triggered this was substantial: [community estimates](https://gist.github.com/MagnaCapax/d9177e35b355853f03c730dfcaa693ef) projected effective price hikes of 12-175x against API-rate equivalents, Anthropic engineer Lydia Hallie was quickly Community-Noted on X, and Reddit r/ClaudeAI, HN, and [The New Stack](https://thenewstack.io/anthropic-agent-sdk-credits/) all carried critical coverage. This is Anthropic is **third subscription-policy reversal of 2026** (January OAuth block reversed within days, April 4 third-party agent ban reversed within 24 hours, and now the May 14 compromise credit pool paused on its June 15 enforcement day). This column preserves the original announced design while adding a detailed reversal section: timeline, operational implications, and the current validity of the "turn Extra Usage auto-billing off" guidance.