Update references from 'create_issue' to 'issue_write' and scan for outdated MCP tools

[krugazul]

Describe the bug

The repository contains references to the deprecated create_issue tool, which has since been replaced by issue_write. These outdated references should be updated to the current MCP tool name. A broader scan should also be carried out to identify and replace any other deprecated MCP tool references in the codebase.

To Reproduce

1. Search the repository for references to create_issue.
2. Review each matching location where the tool is referenced.
3. Confirm the reference is outdated.
4. Repeat the scan for other deprecated MCP tool names.

Expected behavior

• All deprecated MCP tool references are replaced with their current supported equivalents.
• create_issue is updated to issue_write wherever applicable.
• Any other outdated MCP tool references found during the scan are also corrected.
• The repository remains consistent with current MCP tooling standards.

Additional Context

This is a maintenance task intended to keep repository guidance and automation aligned with current MCP tooling. The change should be kept minimal and targeted, avoiding unrelated restructuring.

Suggested acceptance criteria:

• All create_issue references updated to issue_write
• Repository scanned for other deprecated MCP tool names
• Any additional outdated tool references updated
• Relevant docs/instructions remain accurate and internally consistent

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Definition of Ready (DoR)

• Bug is reproducible and clearly described
• Steps to reproduce written
• Environment details provided
• Screenshots/logs included (if possible)
• Linked to existing issues/PRs (if any)
• Estimate added (if relevant)
• Ready for triage

Definition of Done (DoD)

• Bug confirmed and reproducible
• Fix implemented and tested (all supported browsers/devices)
• Follows WordPress coding standards
• Documentation updated (if needed)
• Changelog entry prepared for PR (CHANGELOG.md)
• QA performed
• No adverse impact on performance or security
• Linked issue closed

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[coderabbitai]

A summary of the changes CodeRabbit can apply:

• Add prominent deprecation warnings to .vscode/mcp.json, docs/config/vscode-mcp.md, docs/config/mcp-server-github.md, docs/config/vscode-settings.md, and docs/config/README.md, and create docs/updates/MCP_DEPRECATION_UPDATE.md summarizing the deprecated @modelcontextprotocol/server-github status, migration guidance, link to the official GitHub MCP Server, and note that current configs remain supported for backward compatibility.

• Add deprecation warnings and migration links for the deprecated @modelcontextprotocol/server-github package by updating .vscode/mcp.json (insert deprecation comments), marking the package as deprecated in docs/config/README.md, adding prominent deprecation notices and updated overview/config blocks in docs/config/mcp-server-github.md, docs/config/vscode-mcp.md, and docs/config/vscode-settings.md, and add a new docs/updates/MCP_DEPRECATION_UPDATE.md summarizing the deprecation, impacted files, and recommendations.

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