GoogleCloudPlatform

105 mods across 13 repositories, 22k stars between them.

agent-eval-workflow

01

GoogleCloudPlatform/professional-services

Skill Claude CodeCodex

This skill should be used when the user wants to evaluate an AI agent end-to-end: scaffold an evaluation, design metrics that test a real hypothesis, make an agent measurable, audit generated eval config, read evaluation results, or run an improvement ("hill climbing") loop. Covers evaluation methodology, metric…

not rated 3.1k +4 2d ago A SkillSpector: pass 123 tokens original Apache-2.0

agent-eval

02

GoogleCloudPlatform/professional-services

Skill Claude CodeCodex

Executes high-performance agent evaluations, multi-turn UserSim simulations, and declarative metric grading aligned with google/agents-cli and the Quality Flywheel. Publishes benchmark artifacts to the GCS Evaluation Registry, executes automated head-to-head delta comparisons (--compare-to), and optimizes system…

not rated 3.1k +4 changed 1mo ago A SkillSpector: pass 136 tokens original Apache-2.0

eval-breakdown

03

GoogleCloudPlatform/professional-services

Skill Claude CodeCodex needs its repo

Performs an exhaustive, question-by-question narrative diagnostic breakdown of an agent-eval benchmark run by analyzing questionanswerlog.md, evalsummary.json, and raw trajectory traces. Use when diagnosing low score causes, investigating the Memory Reuse vs. Traceability rubric clash, performing pre-release failure…

not rated 3.1k +4 2d ago A SkillSpector: pass 100 tokens original Apache-2.0

SessionStart

04

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs when a session starts, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 yesterday A tokens not measured original Apache-2.0

SessionEnd

05

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs when a session ends, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 yesterday A tokens not measured copy · 97% Apache-2.0

UserPromptSubmit

06

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs when you submit a prompt, before the agent sees it, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 yesterday A tokens not measured copy · 97% Apache-2.0

Stop

07

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs when the agent finishes a response, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 yesterday A tokens not measured copy · 94% Apache-2.0

SubagentStop

08

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs when a subagent finishes, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 yesterday A tokens not measured copy · 94% Apache-2.0

PreToolUse

09

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs before the agent uses a tool, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 yesterday A tokens not measured copy · 100% Apache-2.0

PostToolUse

10

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs after a tool call finishes, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 yesterday A tokens not measured copy · 92% Apache-2.0

Notification

11

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs when the agent sends a notification for permission_prompt, elicitation_dialog and elicitation_url_dialog tool calls, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 changed 3d ago A tokens not measured original Apache-2.0

git-operations

12

GoogleCloudPlatform/scion

Skill Claude CodeCodex

Git safety and operational guidance for Scion agents. Covers working tree resets, rebase pitfalls, and general git behavior that agents should know regardless of workspace mode. For workspace-mode-specific git rules, see the git-sandbox skill.

not rated 1.9k +166 yesterday A SkillSpector: warn 50 tokens original Apache-2.0

git-sandbox

13

GoogleCloudPlatform/scion

Skill Claude CodeCodex

Git workflow protocol for agents in sandbox/worktree environments. Covers local-only operations, worktree-aware branch management, and non-interactive conflict resolution. Injected only for git-associated workspaces.

not rated 1.9k +166 yesterday A SkillSpector: pass 42 tokens original Apache-2.0

scion-agent-manage

14

GoogleCloudPlatform/scion

Skill Claude CodeCodex

Manage concurrent LLM-based code agents with scion - orchestrate parallel agents with isolated workspaces, troubleshoot and recover stuck agents.

not rated 1.9k +166 changed 6d ago A SkillSpector: pass 31 tokens original Apache-2.0

GoogleCloudPlatform/scion

Skill Claude CodeCodex

Operational constraints for Scion agents running in containerized sandboxes. Covers prohibited commands and hub-only API access. Complements the scion CLI reference and messaging skills.

not rated 1.9k +166 changed 20d ago A SkillSpector: pass 39 tokens original Apache-2.0

scion-messaging

16

GoogleCloudPlatform/scion

Skill Claude CodeCodex

How to use the scion message command effectively. Use this for communication with other agents or users. Covers recipient types, message timing, content best practices, and special message flags.

not rated 1.9k +166 changed 7d ago A SkillSpector: pass 41 tokens original Apache-2.0

scion-scheduler

17

GoogleCloudPlatform/scion

Skill Claude CodeCodex

Schedule one-shot and recurring events for agents using the Scion CLI. Covers when to use scheduled events vs inline message delays, recurring cron schedules, lifecycle management, and the blocked-wait pairing rule.

not rated 1.9k +166 changed 13d ago A SkillSpector: pass 45 tokens original Apache-2.0

team-creation

18

GoogleCloudPlatform/scion

Skill Claude CodeCodex

Create or extend scion agent team templates from a high-level description of roles and workflow. Use when the user describes a multi-agent team, panel, crew, pipeline, or any scenario requiring coordinated LLM agents with distinct roles. Also use when adding new roles to an existing team, modifying workflows, or…

not rated 1.9k +166 yesterday A SkillSpector: warn 93 tokens original Apache-2.0

scion-conversation

19

GoogleCloudPlatform/scion

Skill Claude CodeCodex

How to use the scion conversation command for managing conversations. Covers listing, creating, viewing, participant management, and message retrieval. Complements the scion-messaging skill.

not rated 1.9k +166 changed 12d ago A 40 tokens original Apache-2.0

PostToolUseFailure

20

GoogleCloudPlatform/scion

Hook Claude Code

One of 10 in settings.json

Runs when a tool call fails, running sciontool hook --dialect=claude. From GoogleCloudPlatform/scion.

not rated 1.9k +166 yesterday A tokens not measured copy · 94% Apache-2.0

genai-sdk

21

GoogleCloudPlatform/vertex-ai-samples

Skill Claude CodeCodex

Guides the usage of Gemini API on Google Cloud Vertex AI with the Gen AI SDK. Use when the user asks about using Gemini in an enterprise environment or explicitly mentions Vertex AI. Covers SDK usage (Python, JS/TS, Go, Java, C#), capabilities like Live API, tools, multimedia generation, caching, and batch prediction.

not rated 791 +1 today A SkillSpector: pass 73 tokens original Apache-2.0

liveapi-service

22

GoogleCloudPlatform/vertex-ai-samples

Skill Claude CodeCodex

Generates a LiveAPI client service class in the user's chosen programming language. Use when the user wants to build, scaffold, or integrate a client that connects to the Gemini LiveAPI websocket endpoint (Gemini Enterprise or non-Gemini Enterprise), handles session setup/resumption, bearer token refresh, and…

not rated 791 +1 today A SkillSpector: pass 80 tokens original Apache-2.0

quality-flywheel

23

GoogleCloudPlatform/vertex-ai-samples

Skill Claude CodeCodex

Evaluate and improve GenAI models and agents using the Google GenAI Evaluation SDK. Creates eval datasets (from session traces or synthetic generation), selects and configures metrics (RubricMetric, LLMMetric, CodeExecutionMetric), executes evals via client.evals.evaluate(), and analyzes results to suggest concrete…

not rated 791 +1 today A SkillSpector: pass 128 tokens original Apache-2.0

vertex-ai

24

GoogleCloudPlatform/vertex-ai-samples

Skill Claude CodeCodex

Primary Router for Vertex AI skills. Use this skill when the user wants to work with Google Cloud Vertex AI (e.g., deploying models, running inference, or tuning models). This skill routes to vertex-deploy, vertex-inference, or vertex-tuning.

not rated 791 +1 today A SkillSpector: pass 55 tokens original Apache-2.0

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