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‎.github/.release-please-manifest.json‎

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{
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".": "1.24.1"
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".": "1.25.1"
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}

‎.github/release-please-config.json‎

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{
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"$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
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"last-release-sha": "9f7d5b3f1476234e552b783415527cc4bac55b39",
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"packages": {
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".": {
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"release-type": "python",

‎.github/workflows/python-unit-tests.yml‎

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run: |
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uv venv .venv
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source .venv/bin/activate
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uv sync --extra test --extra eval --extra a2a
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uv sync --extra test
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- name: Run unit tests with pytest
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run: |

‎.github/workflows/release-cherry-pick.yml‎

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# Cherry-picks a commit from main to the release/candidate branch.
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# Use this to include bug fixes in an in-progress release.
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# Step 3 (optional): Cherry-picks a commit from main to the release/candidate branch.
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# Use between step 1 and step 4 to include bug fixes in an in-progress release.
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name: "Release: Cherry-pick"
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on:
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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gh workflow run release-please.yml --repo ${{ github.repository }}
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gh workflow run release-please.yml --repo ${{ github.repository }} --ref release/candidate
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echo "Triggered Release Please workflow"

‎.github/workflows/release-cut.yml‎

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# Starts the release process by creating a release/candidate branch.
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# Triggers release-please to generate a changelog PR.
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# Step 1: Starts the release process by creating a release/candidate branch.
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# Generates a changelog PR for review (step 2).
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name: "Release: Cut"
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on:
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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gh workflow run release-please.yml --repo ${{ github.repository }}
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gh workflow run release-please.yml --repo ${{ github.repository }} --ref release/candidate
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echo "Triggered Release Please workflow"

‎.github/workflows/release-finalize.yml‎

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# Triggers when release-please PR is merged to release/candidate.
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# Creates the final release/v{version} branch and deletes the candidate branch.
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# Step 4: Triggers when the changelog PR is merged to release/candidate.
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# Records last-release-sha and renames release/candidate to release/v{version}.
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name: "Release: Finalize"
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on:
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if: steps.check.outputs.is_release_pr == 'true'
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with:
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ref: release/candidate
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token: ${{ secrets.RELEASE_PAT }}
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fetch-depth: 0
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- name: Extract version from manifest
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if: steps.check.outputs.is_release_pr == 'true'
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echo "version=$VERSION" >> $GITHUB_OUTPUT
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echo "Extracted version: $VERSION"
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- name: Create release branch
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- name: Configure git identity from RELEASE_PAT
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if: steps.check.outputs.is_release_pr == 'true'
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env:
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GH_TOKEN: ${{ secrets.RELEASE_PAT }}
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run: |
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USER_JSON=$(gh api user)
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git config user.name "$(echo "$USER_JSON" | jq -r '.login')"
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git config user.email "$(echo "$USER_JSON" | jq -r '.id')+$(echo "$USER_JSON" | jq -r '.login')@users.noreply.github.com"
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- name: Record last-release-sha for release-please
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if: steps.check.outputs.is_release_pr == 'true'
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run: |
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git checkout -b "release/v${{ steps.version.outputs.version }}"
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git push origin "release/v${{ steps.version.outputs.version }}"
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echo "Created branch: release/v${{ steps.version.outputs.version }}"
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git fetch origin main
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CUT_SHA=$(git merge-base origin/main HEAD)
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echo "Release was cut from main at: $CUT_SHA"
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jq --arg sha "$CUT_SHA" '. + {"last-release-sha": $sha}' \
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.github/release-please-config.json > tmp.json && mv tmp.json .github/release-please-config.json
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git add .github/release-please-config.json
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git commit -m "chore: update last-release-sha for next release"
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git push origin release/candidate
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- name: Delete release/candidate branch
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- name: Rename release/candidate to release/v{version}
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if: steps.check.outputs.is_release_pr == 'true'
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run: |
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git push origin --delete release/candidate
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echo "Deleted branch: release/candidate"
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VERSION="v${{ steps.version.outputs.version }}"
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git push origin "release/candidate:refs/heads/release/$VERSION" ":release/candidate"
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echo "Renamed release/candidate to release/$VERSION"
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- name: Update PR label to tagged
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if: steps.check.outputs.is_release_pr == 'true'

‎.github/workflows/release-please.yml‎

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# Runs release-please to create/update a PR with version bump and changelog.
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# Triggered by pushes to release/candidate or manually.
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# Triggered automatically by step 1 (cut) or step 3 (cherry-pick).
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name: "Release: Please"
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on:
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if: "!startsWith(github.event.head_commit.message, 'chore(release')"
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runs-on: ubuntu-latest
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steps:
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- name: Check if release/candidate still exists
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id: check
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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if gh api repos/${{ github.repository }}/branches/release/candidate --silent 2>/dev/null; then
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echo "exists=true" >> $GITHUB_OUTPUT
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else
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echo "release/candidate branch no longer exists, skipping"
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echo "exists=false" >> $GITHUB_OUTPUT
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fi
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- uses: actions/checkout@v4
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if: steps.check.outputs.exists == 'true'
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with:
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ref: release/candidate
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- uses: googleapis/release-please-action@v4
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if: steps.check.outputs.exists == 'true'
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with:
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token: ${{ secrets.RELEASE_PAT }}
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config-file: .github/release-please-config.json

‎.github/workflows/release-publish.yml‎

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# Builds and publishes the package to PyPI from a release branch.
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# Creates a merge-back PR to sync release changes to main.
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# Step 6: Builds and publishes the package to PyPI from a release/v{version} branch.
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# Creates a merge-back PR (step 7) to sync release changes to main.
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name: "Release: Publish to PyPi"
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on:

‎CHANGELOG.md‎

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# Changelog
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## [1.25.1](https://github.com/google/adk-python/compare/v1.25.0...v1.25.1) (2026-02-18)
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### Bug Fixes
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* Fix pickling lock errors in McpSessionManager ([4e2d615](https://github.com/google/adk-python/commit/4e2d6159ae3552954aaae295fef3e09118502898))
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## [1.25.0](https://github.com/google/adk-python/compare/v1.24.1...v1.25.0) (2026-02-11)
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### Features

‎contributing/samples/agent_registry_agent/README.md‎

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# Agent Registry Sample
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This sample demonstrates how to use the `AgentRegistry` client to discover agents and MCP servers registered in Google Cloud.
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## Setup
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1. Ensure you have Google Cloud credentials configured (e.g., `gcloud auth application-default login`).
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2. Set the following environment variables:
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```bash
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export GOOGLE_CLOUD_PROJECT=your-project-id
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export GOOGLE_CLOUD_LOCATION=global # or your specific region
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```
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3. Obtain the full resource names for the agents and MCP servers you want to use. You can do this by running the sample script once to list them:
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```bash
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python3 agent.py
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```
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Alternatively, use `gcloud` to list them:
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```bash
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# For agents
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gcloud alpha agent-registry agents list --project=$GOOGLE_CLOUD_PROJECT --location=$GOOGLE_CLOUD_LOCATION
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# For MCP servers
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gcloud alpha agent-registry mcp-servers list --project=$GOOGLE_CLOUD_PROJECT --location=$GOOGLE_CLOUD_LOCATION
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```
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4. Replace `AGENT_NAME` and `MCP_SERVER_NAME` in `agent.py` with the last part of the resource names (e.g., if the name is `projects/.../agents/my-agent`, use `my-agent`).
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## Running the Sample
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Run the sample script to list available agents and MCP servers:
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```bash
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python3 agent.py
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```
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## How it Works
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The sample uses `AgentRegistry` to:
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- List registered agents using `list_agents()`.
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- List registered MCP servers using `list_mcp_servers()`.
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It also shows (in comments) how to:
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- Get a `RemoteA2aAgent` instance using `get_remote_a2a_agent(name)`.
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- Get an `McpToolset` instance using `get_mcp_toolset(name)`.

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