The AI Toolchain — issue -254, December 6, 2025

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

Pi v0.13.1 adds flexible Windows shell configuration, supporting Cygwin, MSYS2, and custom bash environments.

$ git clone --branch v0.13.1 https://github.com/earendil-works/pi.git
# already have the repo? check out this version:
$ git checkout v0.13.1

$ echo '{"shellPath": "C:\\cygwin64\\bin\\bash.exe"}' > ~/.pi/agent/settings.json

• ›Supports custom Windows shell configuration via shellPath in ~/.pi/agent/settings.json, enabling Cygwin, MSYS2, and other bash environments beyond Git Bash.

Qwen Code v0.4.0 adds a TypeScript SDK, DeepSeek V3.2 thinking mode, SDK-controlled MCP custom tools, and session-level conversation history.

$ git clone --branch v0.4.0 https://github.com/QwenLM/qwen-code.git
# already have the repo? check out this version:
$ git checkout v0.4.0

• ›Adds a basic TypeScript SDK, enabling programmatic integration with Qwen Code from TypeScript applications.
• ›Integrates DeepSeek V3.2 Thinking Mode, surfacing chain-of-thought reasoning within the CLI.
• ›Supports custom tools via SDK-controlled MCP servers, allowing callers to supply their own tool definitions through the SDK.
• ›Introduces session-level conversation history management, giving users control over conversation context within a session.

$ git clone --branch v0.4.0-nightly.20251206.ab228c68 https://github.com/QwenLM/qwen-code.git
# already have the repo? check out this version:
$ git checkout v0.4.0-nightly.20251206.ab228c68

llama.cpp b7310 adds a Vulkan perf-logger env var to control stats-dump frequency and improves fusion-op tracking.

$ git clone --branch b7310 https://github.com/ggml-org/llama.cpp.git
# already have the repo? check out this version:
$ git checkout b7310

• ›Adds an environment variable to control how frequently the Vulkan performance logger dumps stats (set a very large value to defer output until context destruction).
• ›Adds fusion info strings to Vulkan perf-logger tracking, logging only one item per fused op for cleaner output.

Phoenix v12.20.0 adds LDAP authentication support and existing secret reuse for credential management.

$ git clone --branch arize-phoenix-v12.20.0 https://github.com/Arize-ai/phoenix.git
# already have the repo? check out this version:
$ git checkout arize-phoenix-v12.20.0

• ›Adds Lightweight Directory Access Protocol (LDAP) authentication support for enterprise directory-based login.
• ›Adds existing secret support, enabling credential reuse from pre-existing secrets rather than requiring new secret creation.