The AI Toolchain — issue -058, June 22, 2026

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.

Claude Code v2.1.186 adds CLI MCP auth, bash auto-response, SSH-friendly headless login, and richer workflow/plugin views.

$ git clone --branch v2.1.186 https://github.com/anthropics/claude-code.git
# already have the repo? check out this version:
$ git checkout v2.1.186

$ claude mcp login my-server --no-browser

# settings.json
{ "respondToBashCommands": false }

• ›Adds claude mcp login <name> and claude mcp logout <name> to authenticate MCP servers directly from the CLI, with --no-browser stdin redirect for SSH sessions.
• ›Adds ! bash command auto-response: Claude now automatically replies to bash command output; disable with "respondToBashCommands": false in settings.json.
• ›Adds status filtering (press f) to the /workflows agent detail view.
• ›Adds a 'Skills' section to the /plugin Installed tab.
• ›Adds teammateMode: "iterm2" setting with a warning when auto mode cannot find the it2 CLI.

Lightweight coding agent that runs in your terminal

Codex CLI gains indexed web search, rollout token budgets, multi-agent delegation controls, plugin sections, and scheduled time reminders.

$ git clone --branch rust-v0.142.0 https://github.com/openai/codex.git
# already have the repo? check out this version:
$ git checkout rust-v0.142.0

• ›Adds /usage command support for viewing and redeeming earned usage-limit reset credits, with confirmation, retry, and refreshed availability states.
• ›Organizes /plugins remote plugins into OpenAI Curated, Workspace, and Shared with me sections; eligible turns can now recommend and install relevant plugins.
• ›Introduces configurable rollout token budgets that track usage across agent threads, surface remaining-budget reminders, and abort turns when the budget is exhausted.
• ›Enables app-server clients to configure multi-agent delegation as disabled, explicit-request-only, or proactive at both the thread and turn level.
• ›Adds an indexed web-search mode that allows live searches while restricting direct page access to server-approved URLs.

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

Pi v0.79.10 adds compaction event context for extensions and a more predictable pi update flow.

$ git clone --branch v0.79.10 https://github.com/earendil-works/pi.git
# already have the repo? check out this version:
$ git checkout v0.79.10

// In your extension handler:
on('session_before_compact', ({ reason, willRetry }) => {
  if (reason === 'overflow' && willRetry) {
    console.log('Overflow compaction — another attempt will follow');
  } else if (reason === 'manual') {
    console.log('User triggered /compact manually');
  }
});

$ pi update

• ›Adds reason and willRetry fields to session_before_compact and session_compact extension events, letting extensions distinguish manual /compact, threshold auto-compaction, and overflow retry flows.
• ›Enhances pi update to install the exact checked Pi version and display the changelog URL in update notices for more predictable upgrades.

llama.cpp server now includes an id field in tool call responses.

$ git clone --branch b9763 https://github.com/ggml-org/llama.cpp.git
# already have the repo? check out this version:
$ git checkout b9763

• ›Adds id field to tool call responses in the server API, enabling callers to correlate tool call requests and responses.

$ git clone --branch b9761 https://github.com/ggml-org/llama.cpp.git
# already have the repo? check out this version:
$ git checkout b9761

$ curl -N http://localhost:8080/models/sse

$ git clone --branch b9760 https://github.com/ggml-org/llama.cpp.git
# already have the repo? check out this version:
$ git checkout b9760

Phoenix v17.10.0 surfaces trace-level annotations directly in the trace header UI.

$ git clone --branch arize-phoenix-v17.10.0 https://github.com/Arize-ai/phoenix.git
# already have the repo? check out this version:
$ git checkout arize-phoenix-v17.10.0

• ›Trace-level annotations are now displayed in the trace header, making annotation context visible without navigating into individual spans.