The AI Toolchain — issue -237, December 23, 2025

Agno v2.3.21 brings AgentAsJudge evals to AgentOS with full run configuration and listing support.

$ git clone --branch v2.3.21 https://github.com/agno-agi/agno.git
# already have the repo? check out this version:
$ git checkout v2.3.21

• ›AgentAsJudge evaluations are now fully supported on AgentOS: configure and trigger new runs, and view existing runs alongside other evals on the Evals page.

LangChain Classic 1.0.1 adds google_genai embedding support, extras on BaseTool, and effort support in Anthropic.

$ git clone --branch langchain-classic==1.0.1 https://github.com/langchain-ai/langchain.git
# already have the repo? check out this version:
$ git checkout langchain-classic==1.0.1

from langchain.embeddings import init_embeddings

embeddings = init_embeddings(model="text-embedding-004", provider="google_genai")

from langchain_core.tools import BaseTool

class MyTool(BaseTool):
    name: str = "my_tool"
    description: str = "Does something useful"
    extras: dict = {"cache_control": {"type": "ephemeral"}}

    def _run(self, query: str) -> str:
        return query

• ›Adds google_genai provider support to init_embeddings, enabling Google Generative AI embedding models via the standard initializer.
• ›Adds extras field on BaseTool (in core and anthropic) for passing arbitrary provider-specific metadata through tool definitions.
• ›Adds effort parameter support to the Anthropic integration for controlling model reasoning effort.
• ›Enhances init_chat_model with improved validation to catch misconfigured model/provider combinations earlier.
• ›Switches run IDs to UUID v7, providing time-ordered identifiers for LangChain runs.

PydanticAI v1.38.0 adds local timestamps to request/response models and typed RunContext support in TextOutput signatures.

$ git clone --branch v1.38.0 https://github.com/pydantic/pydantic-ai.git
# already have the repo? check out this version:
$ git checkout v1.38.0

• ›Adds typed RunContext[Deps] support in TextOutput function signatures, enabling dependency-injected output handlers.
• ›Adds local timestamps to request and response models, with provider timestamps surfaced in provider_details.
• ›Supports VideoUrl.vendor_metadata for GCS URIs on the Google Vertex provider.

The open source coding agent.

OpenCode v1.0.191 adds MCP OAuth debugging, per-agent skill filtering, and compaction hook prompt replacement.

$ git clone --branch v1.0.191 https://github.com/sst/opencode.git
# already have the repo? check out this version:
$ git checkout v1.0.191

• ›Adds ability to debug MCP OAuth via the mcp CLI subcommand.
• ›Adds per-agent filtering to skill tool descriptions, letting agents see only relevant tools.
• ›Enables compaction hooks to replace the prompt entirely, giving plugins full control over context compaction.

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

Hooks can now skip conversation restore on branch for checkpoint-style session management.

$ git clone --branch v0.27.2 https://github.com/earendil-works/pi.git
# already have the repo? check out this version:
$ git checkout v0.27.2

• ›Adds skipConversationRestore: true return value for before_branch hooks, allowing branched sessions to be created without restoring conversation messages.

llama.cpp server now reports 0% processing state via return_progress

$ git clone --branch b7524 https://github.com/ggml-org/llama.cpp.git
# already have the repo? check out this version:
$ git checkout b7524

• ›Extends return_progress in the llama.cpp server to also report the 0% processing state, giving clients visibility into the earliest stage of request handling.

$ git clone --branch b7515 https://github.com/ggml-org/llama.cpp.git
# already have the repo? check out this version:
$ git checkout b7515

Composio v0.10.2 adds Anthropic Claude Code Agents provider, LangChain v1 support, and openWorldHint tool router filtering.

$ git clone --branch v0.10.2 https://github.com/ComposioHQ/composio.git
# already have the repo? check out this version:
$ git checkout v0.10.2

• ›Adds openWorldHint as a tag filter for the tool router, enabling finer-grained control over which tools are surfaced by the router.
• ›Adds Anthropic Claude Code Agents as a new provider in the core integration layer.
• ›Ports the TypeScript LangChain integration to LangChain v1.

Langfuse v3.143.0 adds tool-call observation filtering, org details in the project API, and a virtualized JSON viewer with search and media.

$ git clone --branch v3.143.0 https://github.com/langfuse/langfuse.git
# already have the repo? check out this version:
$ git checkout v3.143.0

• ›Adds org details to the project API endpoint, exposing organization-level context alongside project data.
• ›Enables filtering observations by tool calls in the tracing UI, letting practitioners narrow traces to specific tool invocations.
• ›Introduces a fully virtualized JSON Beta view with search and media attachment support in the advanced JSON viewer.