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Pull Request Checklist

  • I have read and followed the CONTRIBUTING.md guidelines.
  • My contribution adds a new instruction, prompt, or chat mode file in the correct directory.
  • The file follows the required naming convention.
  • The content is clearly structured and follows the example format.
  • I have tested my instructions, prompt, or chat mode with GitHub Copilot.
  • I have run npm start and verified that README.md is up to date.

Description

This Pull Request introduces three specialized CAST Imaging Agents and a curated Collection to enhance software discovery, architectural mapping, and quality assessment workflows within GitHub Copilot.

Summary of Contributions

Specialized Agents (agents/)
1/ Software Discovery Agent (cast-imaging-software-discovery.agent.md): Facilitates deep exploration of application architectures, including component mapping, dependency tracing, database schema exploration, and physical source file analysis.
2/ Impact Analysis Agent (cast-imaging-impact-analysis.agent.md): Specializes in change risk assessment by tracing ripple effects through multiple dependency levels and identifying high-risk architectural coupling (shared resources) across the system.
3/ Structural Quality Advisor Agent (cast-imaging-structural-quality-advisor.agent.md): Provides targeted remediation guidance for structural flaws, with specialized workflows for Security (CVE), Green IT deficiencies, and ISO-5055 compliance.
Collection (collections/)

CAST Imaging Collection (cast-imaging.collection.yml):
Organizes the above agents into a unified, installable collection. It provides users with clear usage guidance and scenario-based "Ideal for" descriptions to help them choose the right tool for their modernization or maintenance tasks.


Type of Contribution

  • New instruction file.
  • New prompt file.
  • New chat mode file.
  • New collection file.
  • New skill file.
  • Update to existing instruction, prompt, chat mode, collection or skill.
  • Other (please specify):

Additional Notes


By submitting this pull request, I confirm that my contribution abides by the Code of Conduct and will be licensed under the MIT License.

Copilot AI review requested due to automatic review settings January 21, 2026 10:36
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Pull request overview

This PR introduces three specialized CAST Imaging agents and a curated collection to enhance software discovery, architectural mapping, and quality assessment workflows within GitHub Copilot. The agents leverage CAST Imaging's MCP server to provide deep code analysis capabilities.

Changes:

  • Three new agent files for CAST Imaging (Software Discovery, Impact Analysis, and Structural Quality Advisor)
  • A new collection file (YAML and Markdown) organizing these agents
  • Updated README files to include the new agents and collection

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file
File Description
agents/cast-imaging-software-discovery.agent.md Defines an agent for comprehensive software application discovery and architectural mapping
agents/cast-imaging-impact-analysis.agent.md Defines an agent for change impact assessment and risk analysis
agents/cast-imaging-structural-quality-advisor.agent.md Defines an agent for identifying and remediating code quality issues
collections/cast-imaging.collection.yml Collection configuration file organizing the three CAST Imaging agents
collections/cast-imaging.md Collection documentation with usage guidance for each agent
docs/README.agents.md Updated to include the three new CAST Imaging agents
docs/README.collections.md Updated to include the new CAST Imaging collection

Comment on lines +1 to +11
---
name: 'CAST Imaging Software Discovery Agent'
description: 'Specialized agent for comprehensive software application discovery and architectural mapping through static code analysis using CAST Imaging'
mcp-servers:
imaging-structural-search:
type: 'http'
url: 'https://castimaging.io/imaging/mcp/'
headers:
'x-api-key': '${input:imaging-key}'
args: []
---
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Copilot AI Jan 21, 2026

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According to the coding guidelines, it is strongly encouraged to use a model field to specify the model that the agent is optimized for. Consider adding a model field in the front matter, for example: model: GPT-4.1 or model: Claude Sonnet 4.5.

Copilot generated this review using guidance from repository custom instructions.
Comment on lines +1 to +11
---
name: 'CAST Imaging Impact Analysis Agent'
description: 'Specialized agent for comprehensive change impact assessment and risk analysis in software systems using CAST Imaging'
mcp-servers:
imaging-impact-analysis:
type: 'http'
url: 'https://castimaging.io/imaging/mcp/'
headers:
'x-api-key': '${input:imaging-key}'
args: []
---
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Copilot AI Jan 21, 2026

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According to the coding guidelines, it is strongly encouraged to use a model field to specify the model that the agent is optimized for. Consider adding a model field in the front matter, for example: model: GPT-4.1 or model: Claude Sonnet 4.5.

Copilot generated this review using guidance from repository custom instructions.
Comment on lines +1 to +11
---
name: 'CAST Imaging Structural Quality Advisor Agent'
description: 'Specialized agent for identifying, analyzing, and providing remediation guidance for code quality issues using CAST Imaging'
mcp-servers:
imaging-structural-quality:
type: 'http'
url: 'https://castimaging.io/imaging/mcp/'
headers:
'x-api-key': '${input:imaging-key}'
args: []
---
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Copilot AI Jan 21, 2026

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According to the coding guidelines, it is strongly encouraged to use a model field to specify the model that the agent is optimized for. Consider adding a model field in the front matter, for example: model: GPT-4.1 or model: Claude Sonnet 4.5.

Copilot generated this review using guidance from repository custom instructions.
@CASTResearchLabs
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Hello
I thought it was strongly recommended, not required.
How to indicate a class of model, and not a specific one?
Thanks

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@aaronpowell aaronpowell left a comment

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Don't stress on the Copilot comments above, I need to review the guidance the PR agent has at the moment as it's a bit stale since we have things like auto model selection available now

@aaronpowell aaronpowell merged commit 02cf06c into github:main Jan 22, 2026
9 of 10 checks passed
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2 participants