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Generic code review catches generic issues. To get feedback that’s actually relevant to your project, Fossy needs to understand your specific context — architecture decisions, conventions, and business rules.

Ways to provide context

Memories

Teach Fossy your conventions through conversation:
Memories persist and are applied across all future reviews.

File references in rules

Reference your own documentation directly in rules:

Custom prompts

Add project-specific instructions that Fossy includes in every review:
  1. Go to Code Review Settings → Custom Prompts
  2. Add context like architecture descriptions, team guidelines, or domain knowledge
  3. Fossy includes this in every code review analysis

MCP plugins

Connect external tools to give Fossy access to richer context:
  • Jira/Linear — task requirements and acceptance criteria
  • Slack — team discussions and decisions
  • Google Docs — specs and design documents
  • Custom MCP servers — any tool your team uses

Example workflow

  1. Define architecture rules via Memories: @fossy remember: we follow CQRS pattern in this service
  2. Create Review Rules that reference your docs: @file:docs/architecture.md
  3. Connect Jira so Fossy validates PRs against task requirements
  4. Add Custom Prompts for domain-specific knowledge
For details, see Custom Prompts and Plugins.