Merge branch 'main' into update-agent-card

Author: holtskinner

.coveragerc

@@ -4,7 +4,6 @@ omit =
     */tests/*
     */site-packages/*
     */__init__.py
-    */noxfile.py*
     src/a2a/grpc/*
 
 [report]

.github/CODEOWNERS

@@ -4,4 +4,4 @@
 # For syntax help see:
 # https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax
 
-*   @a2aproject/google
+*   @a2aproject/google-a2a-eng

.github/PULL_REQUEST_TEMPLATE.md

@@ -9,7 +9,7 @@ Before submitting your PR, there are a few things you can do to make sure it goe
     - `fix:` which represents bug fixes, and correlates to a [SemVer](https://semver.org/) patch.
     - `feat:` represents a new feature, and correlates to a SemVer minor.
     - `feat!:`, or `fix!:`, `refactor!:`, etc., which represent a breaking change (indicated by the `!`) and will result in a SemVer major.
-- [ ] Ensure the tests and linter pass (Run `nox -s format` from the repository root to format)
+- [ ] Ensure the tests and linter pass (Run `bash scripts/format.sh` from the repository root to format)
 - [ ] Appropriate docs were updated (if necessary)
 
 Fixes #<issue_number_goes_here> 🦕

.github/actions/spelling/allow.txt

@@ -1,31 +1,22 @@
 ACard
 AClient
+ACMRTUXB
+aconnect
+adk
 AError
 AFast
+agentic
 AGrpc
+aio
+aiomysql
+aproject
 ARequest
 ARun
 AServer
 AServers
 AService
 AStarlette
 AUser
-DSNs
-EUR
-GBP
-GVsb
-INR
-JPY
-JSONRPCt
-Llm
-POSTGRES
-RUF
-aconnect
-adk
-agentic
-aio
-aiomysql
-aproject
 autouse
 backticks
 cla
@@ -35,22 +26,30 @@ codegen
 coro
 datamodel
 drivername
+DSNs
 dunders
 euo
+EUR
 excinfo
 fernet
 fetchrow
 fetchval
+GBP
 genai
 getkwargs
 gle
+GVsb
 initdb
 inmemory
+INR
 isready
+JPY
+JSONRPCt
 kwarg
 langgraph
 lifecycles
 linting
+Llm
 lstrips
 mockurl
 notif
@@ -59,13 +58,17 @@ oidc
 opensource
 otherurl
 postgres
+POSTGRES
 postgresql
 protoc
 pyi
 pypistats
+pyupgrade
 pyversions
 respx
 resub
+RUF
+SLF
 socio
 sse
 tagwords

.github/actions/spelling/excludes.txt

@@ -86,7 +86,6 @@
 ^\.github/actions/spelling/
 ^\.github/workflows/
 CHANGELOG.md
-noxfile.py
 ^src/a2a/grpc/
 ^tests/
 .pre-commit-config.yaml

.github/workflows/unit-tests.yml

@@ -55,7 +55,7 @@ jobs:
         run: |
           echo "$HOME/.cargo/bin" >> $GITHUB_PATH
       - name: Install dependencies
-        run: uv sync --dev --extra sql --extra encryption
+        run: uv sync --dev --extra sql --extra encryption --extra grpc
       - name: Run tests and check coverage
         run: uv run pytest --cov=a2a --cov-report=xml --cov-fail-under=89
       - name: Show coverage summary in log

.mypy.ini

@@ -1,6 +1,7 @@
 [mypy]
 exclude = src/a2a/grpc/
 disable_error_code = import-not-found,annotation-unchecked,import-untyped
+plugins = pydantic.mypy
 
 [mypy-examples.*]
 follow_imports = skip

.ruff.toml

@@ -81,7 +81,6 @@ exclude = [
     "node_modules",
     "venv",
     "*/migrations/*",
-    "noxfile.py",
     "src/a2a/grpc/**",
     "tests/**",
 ]
@@ -137,7 +136,7 @@ inline-quotes = "single"
     "PLR2004",
     "SLF001",
 ]
-"types.py" = ["D", "E501", "N815"]  # Ignore docstring and annotation issues in types.py
+"types.py" = ["D", "E501"]  # Ignore docstring and annotation issues in types.py
 "proto_utils.py" = ["D102", "PLR0911"]
 "helpers.py" = ["ANN001", "ANN201", "ANN202"]
 

CHANGELOG.md

@@ -1,5 +1,34 @@
 # Changelog
 
+## [0.2.16](https://github.com/a2aproject/a2a-python/compare/v0.2.15...v0.2.16) (2025-07-21)
+
+
+### Features
+
+* Convert fields in `types.py` to use `snake_case` ([#199](https://github.com/a2aproject/a2a-python/issues/199)) ([0bb5563](https://github.com/a2aproject/a2a-python/commit/0bb55633272605a0404fc14c448a9dcaca7bb693))
+
+
+### Bug Fixes
+
+* Add deprecation warning for camelCase alias ([#334](https://github.com/a2aproject/a2a-python/issues/334)) ([f22b384](https://github.com/a2aproject/a2a-python/commit/f22b384d919e349be8d275c8f44bd760d627bcb9))
+* client should not specify `taskId` if it doesn't exist ([#264](https://github.com/a2aproject/a2a-python/issues/264)) ([97f1093](https://github.com/a2aproject/a2a-python/commit/97f109326c7fe291c96bb51935ac80e0fab4cf66))
+
+## [0.2.15](https://github.com/a2aproject/a2a-python/compare/v0.2.14...v0.2.15) (2025-07-21)
+
+
+### Bug Fixes
+
+* Add Input Validation for Empty Message Content ([#327](https://github.com/a2aproject/a2a-python/issues/327)) ([5061834](https://github.com/a2aproject/a2a-python/commit/5061834e112a4eb523ac505f9176fc42d86d8178))
+* Prevent import grpc issues for Client after making dependencies optional ([#330](https://github.com/a2aproject/a2a-python/issues/330)) ([53ad485](https://github.com/a2aproject/a2a-python/commit/53ad48530b47ef1cbd3f40d0432f9170b663839d)), closes [#326](https://github.com/a2aproject/a2a-python/issues/326)
+
+## [0.2.14](https://github.com/a2aproject/a2a-python/compare/v0.2.13...v0.2.14) (2025-07-18)
+
+
+### Features
+
+* Set grpc dependencies as optional ([#322](https://github.com/a2aproject/a2a-python/issues/322)) ([365f158](https://github.com/a2aproject/a2a-python/commit/365f158f87166838b55bdadd48778cb313a453e1))
+* **spec:** Update A2A types from specification 🤖 ([#325](https://github.com/a2aproject/a2a-python/issues/325)) ([02e7a31](https://github.com/a2aproject/a2a-python/commit/02e7a3100e000e115b4aeec7147cf8fc1948c107))
+
 ## [0.2.13](https://github.com/a2aproject/a2a-python/compare/v0.2.12...v0.2.13) (2025-07-17)
 
 

README.md

@@ -11,7 +11,7 @@
    <h2 align="center">
    <img src="https://raw.githubusercontent.com/a2aproject/A2A/refs/heads/main/docs/assets/a2a-logo-black.svg" width="256" alt="A2A Logo"/>
    </h2>
-   <h3 align="center">A Python library that helps run agentic applications as A2AServers following the <a href="https://a2aproject.github.io/A2A">Agent2Agent (A2A) Protocol</a>.</h3>
+   <h3 align="center">A Python library that helps run agentic applications as A2AServers following the <a href="https://a2a-protocol.org">Agent2Agent (A2A) Protocol</a>.</h3>
 </html>
 
 <!-- markdownlint-enable no-inline-html -->
@@ -33,6 +33,12 @@ When you're working within a uv project or a virtual environment managed by uv,
 uv add a2a-sdk
 ```
 
+To install with gRPC support:
+
+```bash
+uv add "a2a-sdk[grpc]"
+```
+
 To install with database support:
 
 ```bash
@@ -57,6 +63,12 @@ If you prefer to use pip, the standard Python package installer, you can install
 pip install a2a-sdk
 ```
 
+To install with gRPC support:
+
+```bash
+pip install "a2a-sdk[grpc]"
+```
+
 To install with database support:
 
 ```bash