VCL — 18 Operations for AI Agents

VCL runs at the cache edge — Varnish and Fastly logic deciding what gets served, stored, or passed. act101 surfaces subroutines and state transitions structurally, so agents reason about request flow at the CDN layer.

This page is the canonical reference an AI coding agent uses to refactor, query, and analyze VCL code through the act MCP server. 18 operations available: 0 refactor, 18 query, 0 analysis. Each operation is callable from Claude Code, Cursor, Codex, OpenCode, or any MCP-compatible agent host. Click any operation for a stable anchor link suitable for citation.

18Query

Query

18 query tools, the same on every supported language. Descriptions live in the shared reference: /docs/query-tools.

callers control_flow data_flow definition diagnostics effect_closure effect_summary fix_auto get_type graph import_organize interface mutations references repo_outline skeleton symbols symbols_batch

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