jules

name	jules
description	Integration with Google's Jules API for agentic coding sessions.
license	UNLICENSED
metadata	{"author":"user","version":"1.0.0"}

Jules API Skill

This skill provides instructions for interacting with the Google Jules API. Use this skill when you need to create coding sessions, manage tasks, or interact with the Jules agent.

Authentication

1. Read the API key from /home/cgasgarth/.config/opencode/jules-secret.json.

   { "julesApiKey": "YOUR_KEY" }
   

2. Use the header X-Goog-Api-Key: YOUR_KEY in all requests.

Base URL

https://jules.googleapis.com/v1alpha

Endpoints

1. List Sources

GET /sources Returns available sources (e.g., GitHub repositories) connected to the user.

2. Create Session

POST /sessions Creates a new coding session.

Body:

{
  "prompt": "Task description",
  "sourceContext": {
    "source": "projects/PROJECT_ID/locations/global/connections/CONNECTION_ID/repositories/REPO_ID",
    "githubRepoContext": {
      "startingBranch": "main"
    }
  },
  "automationMode": "AUTO_CREATE_PR", // Optional
  "requirePlanApproval": true // Optional, defaults to false
}

3. List Sessions

GET /sessions Lists active and past sessions.

4. Get Session Activities

GET /sessions/{sessionId}/activities Returns the history of activities in a session.

Parameters:

• pageSize (optional): Number of activities to return (e.g., ?pageSize=30).

Response Structure: Returns an activities array. Activity types include:

• planGenerated: Agent created a plan.
• planApproved: User approved a plan.
• progressUpdated: Agent progress message (contains title, description).
• sessionCompleted: Session finished.

Artifacts: Activities may contain an artifacts field with data like bash output, git patches, or images.

5. Send Message

POST /sessions/{sessionId}:sendMessage Sends a user message to the session.

Body:

{
  "prompt": "Your message here"
}

6. Approve Plan

POST /sessions/{sessionId}:approvePlan Approves the plan proposed by Jules to proceed with implementation.

Example Usage (Bash)

To list sessions (replace KEY with actual key):

curl "https://jules.googleapis.com/v1alpha/sessions" \
  -H "X-Goog-Api-Key: $KEY"

To get session activities:

curl "https://jules.googleapis.com/v1alpha/sessions/$SESSION_ID/activities?pageSize=30" \
  -H "X-Goog-Api-Key: $KEY"

To create a session:

curl -X POST "https://jules.googleapis.com/v1alpha/sessions" \
  -H "X-Goog-Api-Key: $KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "Fix the bug in login",
    "sourceContext": { ... }
  }'

Agent Instructions

• When asked to use Jules, first read the secret file to get the key.
• Construct the appropriate curl command or HTTP request.
• Parse the JSON response.
• Present the result to the user clearly.