beam-compile-review SKILL.md skillA
beam-compile-review from roasbeef/loom is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add roasbeef/loom/beam-compile-review@git:20261008.10bf9f6Pins git:20261008.10bf9f6 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- roasbeef/loom
- Path
.claude/skills/beam-compile-review/SKILL.md- Versions recorded
- 5
- Latest version
- git:20261008.10bf9f6, committed Oct 8, 2026
- First version recorded
- Sep 22, 2026
- Size
- 9,990 bytes
- Repository stars
- 11
- License
- MIT
Review Loom/Gleam changes for BEAM compiler regressions. Use proactively when extending local transformation chains around large dispatch, drain, or rendering expressions, or when compilation slows or CI appears to hang. Produce measured findings and small structural recommendations.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# BEAM compile review Review the requested diff for compile-time costs. Like the BEAM memory review, this is optional and evidence-ranked, not a mandatory gate on every change. Use it while changing a vulnerable call chain, before treating a slow build as ordinary package growth. A new local step is a reason to inspect and measure, not proof of a regression. Invoke with `/beam-compile-review BASE..HEAD` or an explicit working-tree scope. If omitted, establish the intended range from the task. Report findings by default; implementation, publishing, new compiler flags, and new CI gates follow the user's authorized scope. No actionable findings is a valid outcome. ## Locate the cost Read [execution guidance](../../../docs/execution.md), the affected package's `CLAUDE.md`, and its generated Erlang. Start with the exact revision, dirty-tree scope, Gleam and OTP versions, build mode, and command that was slow. Separate dependency resolution, Gleam compilation, Erlang compiler phases, release assembly, and tests. A `Compiled in` line is broader than one compiler phase. A cached no-op build measures neither a package rebuild nor a clean …
Read the whole file at its exact version.
How to install
mdr add roasbeef/loom/beam-compile-review@sha256:0457b2c74615c072The line at the top of this page pins the label git:20261008.10bf9f6, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_dzdirhmczan6e57o)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Sep 22, 2026 and Oct 8, 2026, about one every 4 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261008.10bf9f6 latest | 2026-10-08 | 10bf9f6 | 9,990 B | A | view · diff |
| git:20261005.a7989db | 2026-10-05 | a7989db | 9,795 B | A | view · diff |
| git:20260924.bd25a69 | 2026-09-24 | bd25a69 | 7,866 B | A | view · diff |
| git:20260922.09c201c | 2026-09-22 | 09c201c | 6,766 B | A | view · diff |
| git:20260922.99cb7ac | 2026-09-22 | 99cb7ac | 7,313 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (9990 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
roasbeef/loom · 11 stars · license MIT · pushed 2026-10-20 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_dzdirhmczan6e57o GET https://markdownregistry.com/api/v1/resolve?ref=roasbeef/loom/beam-compile-review GET https://markdownregistry.com/api/v1/blob/0457b2c74615c07213d53a6ade95e8d9125f8bea5435c32292b662537af97134
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.