Claude Code's (and Copilot's) native plugin installer has zero awareness of .apm/ nesting -- it convention-scans only flat skills/, agents/, commands/, hooks.json at each plugin's root. Confirmed via strings on the installed claude binary and live installs of git@holocron/gitea@holocron/kyberforge@ holocron, all reporting Skills(0) Agents(0) Hooks(0) post ADR-0015's apm conversion. Root cause (apm_cli/core/plugin_manifest.py): apm's plugin.json compiler deliberately strips skills/agents/commands keys, assuming the host already auto-discovers those convention directories -- it has no model of .apm/ being host-visible at all. Separately, apm's own bundle exporter (apm_cli/bundle/plugin_exporter.py, behind `apm pack --format plugin`) implements the correct .apm/ -> flat mapping, but only ever targeted build/<name>-<version>/, a path nothing in marketplace.json's source: points at. scripts/sync-plugin-content.sh wraps that bundle exporter and copies its agents/, skills/, commands/, instructions/, extensions/, and merged hooks.json back into each plugin's own root as a second tracked compiled-output category -- same governance status as .claude-plugin/plugin.json: generated from .apm/, never hand-edited. tests/ subdirectories are excluded from the mirror (dev fixtures, not host-visible runtime content; several hardcode a relative repo-root walk-up sized for the .apm/-nested depth, which breaks when duplicated one level shallower). Applied for real across all 6 plugins and verified two ways: `claude plugin validate --strict` passes on every real plugin directory, and a live `claude --plugin-dir <path> -p "list skills/agents"` behavioral test confirms content is now actually discovered. Also, from the same issue #90 review round: - scripts/check-manifests.sh pointed at each plugin's root-level plugin.json (checking skills/hooks/mcpServers/agents pointer fields) -- that file was a stale near-duplicate of .claude-plugin/plugin.json nothing else read or wrote, now deleted across all 6 plugins. check-manifests.sh is rewritten to validate .claude-plugin/plugin.json instead, and drops the pointer-field checks entirely (nothing to check -- those fields are correctly absent by design). Content-presence drift is now check-plugin-content-sync's job, a new pre-push hook wired in .pre-commit-config.yaml. docs/adr/0017 records the root cause and decision in full, including two rejected alternatives (patching plugin.json's path fields directly -- apm's compiler strips them on every run; pointing marketplace.json at apm pack's build/ output -- a version-suffixed non-source directory nothing can install from without an extra build step). ADR-0015 and CONTEXT.md are updated to point at it. Refs: #90
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topic, source_keys
| topic | source_keys | |
|---|---|---|
| compile |
|
Compile
apm compile # fails on skill/agent-only packages — see Gotchas
apm compile --clean # zero-write sanity check; use for skill/agent-only packages
apm compile --clean --dry-run # pure preview, no writes
Compiles .apm/instructions/ + .apm/agents/*.agent.md primitives into consumer-side context files (AGENTS.md/CLAUDE.md CONTEXT files) for the deployment target, per the compilation: block in apm.yml. This is the consumer/deployment side — it is NOT the producer of plugin.json/marketplace.json; that's apm pack's job (below). Run apm compile after any change to .apm/instructions//.apm/agents/ content or to compilation:/targets: in apm.yml.
Pack
apm pack --dry-run # resolve and print; do not write
apm pack --offline # cached refs only
apm pack --include-prerelease # allow pre-release tags
apm pack -v # per-entry resolution detail
apm pack --marketplace=claude --json # JSON output for CI pipelines
Bundles a producer package into a distributable artifact. Default to --dry-run -v first when packing something for the first time or after a dependency change — resolution errors surface before anything is written.
.mcp.json merge mechanics
apm pack reads a package's root-level .mcp.json directly — no dependencies.mcp entry in apm.yml is needed for simple passthrough. Behavior is content-aware:
- An empty
.mcp.json({"mcpServers": {}}) is NOT included in the packed output at all. - A populated one gets its
mcpServerscontent merged directly into the compiledplugin.json, but only for theclaudetarget. - The
copilottarget's compiledplugin.jsonOMITSmcpServersentirely — it isn't part of Copilot's plugin manifest schema.
dependencies.mcp in apm.yml is for a different purpose — declaring a remote MCP-server package as an APM dependency — not local .mcp.json passthrough.
includes: auto and the packed bundle
includes: auto does NOT sweep generic root-level passthrough files (README.md, docs/, sources.md, config files, etc.) into the apm pack distribution bundle (build/<name>-<version>) — only .apm/ primitives, the compiled plugin.json, and the content-aware .mcp.json handling above make it into that bundle. This does not affect Claude Code's own plugin loading, which reads a plugin's working directory directly via its source: path in marketplace.json, not the apm pack bundle — but it matters for anyone relying on the packed bundle for distribution via apm install.
Run apm audit after compile/pack, not before — audit scans deployed/compiled output, not the source apm.yml manifest; see references/audit.md.
Publish
apm publish --package acme/my-skill --dry-run -v
apm publish --package acme/my-skill
Publishes a producer package (root containing apm.yml, .apm/, and optionally a registries: block) to a registry. Always dry-run with -v first — publishing is not trivially reversible once a version tag is claimed on a registry.
Run
apm run <script> [--param key=value]
Executes a named script defined under scripts: in apm.yml, with --param substituting values into the script's parameters.
Gotchas
- Plain
apm compileHARD-FAILS with exit 1 andNo instruction files found in .apm/ directoryon any package that has skills/agents but no.apm/instructions/content — the common case for a skill-only or skill+agent package. Useapm compile --cleanas the zero-write sanity-check substitute: it setsallow_empty=Trueinternally and exits 0 cleanly with zero writes; add--dry-runfor a pure preview.compile≠pack— see above. claude plugin validate --strictauto-scans every.mdfile directly under a compiled plugin'sagents/directory and treats it as an agent definition requiring frontmatter, independent of any manifest declaration (an empirically observed Claude Code platform behavior, not anapmmechanic). A non-agent.mdfile (notes, provenance record, README) that ends up under.apm/agents/in the source tree will still fail validation once compiled to theclaudetarget. Keep such files outside.apm/agents/(e.g. at the package root), regardless of whatapm.ymldeclares.