mix-compression
Mix Output Compression installs rtk filters that intercept mix test, credo, dialyzer, and compile output before it enters your transcript. The filters collapse successful runs to single lines while keeping all failures, errors, and stack traces intact, typically saving 5-15% of tokens per session.
Mix Output Compression reduces context use by filtering verbose mix output through rtk before it reaches Claude.
AI-generated summary based on this skill's SKILL.md
Decision gist · record as of 2026-07-27
Mix Output Compression reduces context use by filtering verbose mix output through rtk before it reaches Claude. Mix Output Compression installs rtk filters that intercept mix test, credo, dialyzer, and compile output before it enters your transcript. The filters collapse successful runs to single lines while keeping all failures, errors, and stack traces intact, typically saving 5-15% of tokens per session.
Use it when
- Mix Output Compression filters mix test, credo, dialyzer, and compile commands.
- Yes.
Verify before relying
Read SKILL.md below before installing (3 files). Open directory: indexed for reading, not audited.
Similar skills
Install
oliver-kriska/claude-elixir-phoenix/mix-compression · repository language: Python
Open directory. Skills are indexed for reading, not audited. Review a skill's body before installing it.
Frequently asked questions
AI-generated answers based on this skill's SKILL.md and metadata
How does mix-compression reduce mix test output noise?
Mix Output Compression installs rtk filters that intercept mix test output before it enters your transcript. The filters collapse successful test runs to single lines while preserving all failures, errors, and stack traces, typically saving 5-15% of tokens per session on mix-heavy debugging workflows.
What mix commands does mix-compression filter?
Mix Output Compression filters mix test, credo, dialyzer, and compile commands. Each filter preserves critical errors and failures while compressing verbose successful runs, helping you stay within context limits without losing diagnostic information.
Can mix-compression compress mix dialyzer output too long?
Yes. Mix Output Compression includes an rtk filter for dialyzer that compresses warning output while keeping all errors and stack traces intact. This reduces context bloat from verbose dialyzer warnings without sacrificing diagnostic detail.
How much token savings can mix-compression achieve?
Mix Output Compression typically achieves 5-15% token savings on mix-heavy debugging workflows by collapsing successful test, compile, and analysis runs to single lines while preserving all failures and errors that require your attention.
What license does mix-compression use?
Mix Output Compression is released under the MIT license, allowing free use, modification, and distribution in both open-source and commercial projects.
How do I install rtk filters for mix test and other commands?
Mix Output Compression handles rtk filter installation and configuration for you. Once installed, the filters automatically intercept mix test, credo, dialyzer, and compile output, collapsing successful runs while preserving errors and stack traces.
SKILL.md
Rendered from the published skill. Quoted content, verbatim.
Mix Output Compression
Mix commands (mix test, mix credo, mix dialyzer, mix compile) emit
verbose, repetitive output that consumes context fast. This skill installs
rtk — a CLI proxy that filters tool output
before it lands in the transcript.
The filters short-circuit happy paths to a single line (mix test: all pass)
while preserving full failure blocks, compile errors, and stack traces. Net win:
5-15% per-session token reduction on mix-heavy workflows.
When to use
- Long sessions —
/phx:workor/phx:fullhitting context limits from mix output - Debugging loops —
/phx:investigateretryingmix compile/mix testrepeatedly - Dialyzer-heavy projects —
mix dialyzeroutput dominates the transcript
Iron Laws
- NEVER strip critical signals — compile errors (
** (CompileError),== Compilation error in), test failures (FAILURES,0 failures—
(truncated - see the full file via the links below)
File tree — 3 files
plugins/elixir-phoenix/skills/mix-compression/SKILL.md
plugins/elixir-phoenix/skills/mix-compression/references/install.md
plugins/elixir-phoenix/skills/mix-compression/references/rtk-filters.toml
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