invalidate_edge
When a stored fact is no longer true
How to use it
invalidate_edge is exposed by the Memex MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the invalidate_edge tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Memex
npx stifler-memex-mcp init --repo .Other tools in Memex (11)
Given a commit SHA, cross-references the diff with linked Decision/Problem nodes and asks Gemini Pro for a grounded explanation
Active bugs and tech debt, sorted by severity
Session start. Returns a cluster-level briefing under 1500 tokens regardless of repo size
Last N days of architectural decisions, optionally module-scoped
Edges whose composite confidence dropped below threshold
Before editing a function or class. Returns callers, callees, linked decisions
Given a file path, returns a ranked list of modules likely affected based on graph coupling (no LLM call)
After making a technical choice. Supports corroborates (reinforce) and supersedes (replace)
When discovering a bug or piece of tech debt
When a tracked problem is fixed
Hybrid search: semantic × keyword × graph traversal × RRF merge