Falco

fastly/fastly-agent-toolkit/skills/falco

by fastly6db70eaf54ba885d56091861224987d6cf06c429No license34 starsListed Oct 9, 2026Updated Oct 9, 2026Repository updated 2 days ago

Lints, tests, simulates, and formats Fastly VCL code using the falco tool. Also serves as the authoritative VCL reference via the falco Go source, which implements Fastly's full VCL dialect. Use when validating VCL syntax, running VCL linting, testing VCL locally, simulating VCL request handling, formatting VCL files, writing VCL unit tests with assertions, debugging VCL logic errors, looking up VCL function signatures or variable scopes, understanding VCL subroutine behavior, or running `falco lint`/`falco simulate`/`falco test`/`falco fmt`. Also applies when working with VCL syntax errors, type mismatches in VCL, choosing which VCL subroutine to use, or setting up a local VCL development and testing environment.

Instructions onlySoftware Development

Only the file list is public. File contents are available once the skill is installed in a workspace.

PathSizeType
references/formatting-vcl.md2.3 KBtext/markdown
references/linting-vcl.md1.7 KBtext/markdown
references/simulating-vcl.md2.9 KBtext/markdown
references/terraform-vcl.md2.6 KBtext/markdown
references/testing-vcl.md4.8 KBtext/markdown
references/understanding-vcl-from-source.md12.3 KBtext/markdown
references/vcl-console.md1.7 KBtext/markdown
references/vcl-statistics.md2.6 KBtext/markdown
SKILL.md9.9 KBtext/markdown

Source and attribution

Source:fastly/fastly-agent-toolkitinskills/falcoat commit6db70ea

License: No license

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