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thedaviddias/Front-End-Checklist
A skill your agent uses when auditing structured data on a business or brand website homepage.
Search, organize, export, and audit your Cosmos inspiration library from the terminal.
$ npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install mvanhorn/printing-press-library pp-cosmos --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/mvanhorn/printing-press-library.git skills-src && mkdir -p .claude/skills && cp -r skills-src/cli-skills/pp-cosmos .claude/skills/pp-cosmos && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "pp-cosmos" agent skill from https://github.com/mvanhorn/printing-press-library/tree/main/cli-skills/pp-cosmos into .claude/skills/pp-cosmos/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pp-cosmos", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/mvanhorn/printing-press-library/tree/main/cli-skills/pp-cosmosType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install mvanhorn/printing-press-library pp-cosmos --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mvanhorn/printing-press-library.git skills-src && mkdir -p .agents/skills && cp -r skills-src/cli-skills/pp-cosmos .agents/skills/pp-cosmos && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "pp-cosmos" agent skill from https://github.com/mvanhorn/printing-press-library/tree/main/cli-skills/pp-cosmos into .agents/skills/pp-cosmos/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pp-cosmos", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install mvanhorn/printing-press-library pp-cosmos --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mvanhorn/printing-press-library.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/cli-skills/pp-cosmos .cursor/skills/pp-cosmos && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "pp-cosmos" agent skill from https://github.com/mvanhorn/printing-press-library/tree/main/cli-skills/pp-cosmos into .cursor/skills/pp-cosmos/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pp-cosmos", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/mvanhorn/printing-press-library.git --path cli-skills/pp-cosmos--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install mvanhorn/printing-press-library pp-cosmos --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mvanhorn/printing-press-library.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/cli-skills/pp-cosmos .gemini/skills/pp-cosmos && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "pp-cosmos" agent skill from https://github.com/mvanhorn/printing-press-library/tree/main/cli-skills/pp-cosmos into .gemini/skills/pp-cosmos/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pp-cosmos", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install mvanhorn/printing-press-library pp-cosmosInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/mvanhorn/printing-press-library.git skills-src && mkdir -p .github/skills && cp -r skills-src/cli-skills/pp-cosmos .github/skills/pp-cosmos && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "pp-cosmos" agent skill from https://github.com/mvanhorn/printing-press-library/tree/main/cli-skills/pp-cosmos into .github/skills/pp-cosmos/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pp-cosmos", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install mvanhorn/printing-press-library pp-cosmos --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mvanhorn/printing-press-library.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/cli-skills/pp-cosmos .opencode/skills/pp-cosmos && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "pp-cosmos" agent skill from https://github.com/mvanhorn/printing-press-library/tree/main/cli-skills/pp-cosmos into .opencode/skills/pp-cosmos/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "pp-cosmos", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
pp-cosmosSearch, organize, export, and audit your Cosmos inspiration library from the terminal.
Pp Cosmos is an agent skill from mvanhorn/printing-press-library. Search, organize, export, and audit your Cosmos inspiration library from the terminal. Trigger phrases: search Cosmos, find Cosmos inspiration, show my Cosmos collections, save this to Cosmos, export a Cosmos collection, compare Cosmos boards, audit Cosmos attribution, what changed in my Cosmos library.
Its SKILL.md is about 6.6k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
The repository describes itself as: Official library of CLIs generated by the CLI Printing Press. Endorsed, tested, and community-contributed. The licence is Apache-2.0.
6 steps, taken from the step headings in SKILL.md.
Read from SKILL.md and the folder at commit d9a1696. It shows what the files ask for, not the result of running them.
Pre-approves these tools, so the agent can use them without asking each time:
ReadBashFrom allowed-tools in the SKILL.md frontmatter.
Shell commands in SKILL.md call:
goclaudenpxFrom the folder's file list and the shell code blocks in SKILL.md.
Hosts in commands or code, which the agent is likely to contact:
api.cosmos.soFrom URLs in SKILL.md, links to its own repository left out.
Names these keys or tokens, usually read from environment variables:
COSMOS_TOKENFrom names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Pp Cosmos loads about 6.6k tokens when it runs. Until then it costs about 83 tokens; SKILL.md has 2,669 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
The automated check noted patterns worth knowing about, such as sudo or a known installer.
allowed-tools: Read, BashAutomated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
The full file from mvanhorn/printing-press-library at commit d9a1696, republished under its Apache-2.0 licence (© mvanhorn). 2,669 words, ~6,643 tokens.
.claude/skills/pp-cosmos/SKILL.md (or your agent's skills folder).<!-- GENERATED FILE — DO NOT EDIT.
This file is a verbatim mirror of library/productivity/cosmos/SKILL.md,
regenerated post-merge by tools/generate-skills/. Hand-edits here are
silently overwritten on the next regen. Edit the library/ source instead.
See the repository agent guide, section "Generated artifacts: registry.json, cli-skills/". -->
This skill drives the cosmos-pp-cli binary. You must verify the CLI is installed before invoking any command from this skill. If it is missing, install it first:
$HOME/.local/bin on macOS/Linux and %LOCALAPPDATA%\Programs\PrintingPress\bin on Windows:npx -y @mvanhorn/printing-press-library install cosmos --cli-onlycosmos-pp-cli --version$PATH for the agent/runtime that will invoke this skill.If the npx install fails (no Node, offline, etc.), fall back to a direct Go install (requires Go 1.26.6 or newer). This installs into $GOPATH/bin (default $HOME/go/bin), so add that directory to $PATH instead:
go install github.com/mvanhorn/printing-press-library/library/productivity/cosmos/cmd/cosmos-pp-cli@latestIf --version reports "command not found" after install, the runtime cannot see the binary directory on $PATH. Do not proceed with skill commands until verification succeeds.
cosmos-pp-cli mirrors the replayable Cosmos GraphQL surface, then adds confirmed writes, JSON and HTML exports, local membership snapshots, cross-collection analysis, and attribution-aware workflows. Browser automation was used only during development discovery; normal commands use ordinary HTTP and remain scriptable.
Use cosmos-pp-cli when a task involves searching Cosmos, reading or organizing collections, exporting references, preserving attribution, or answering questions across a synced inspiration library. Prefer the compound review, coverage, overlap, provenance, trail, and diff commands when the request spans more than one API operation.
Do not use this CLI for:
These capabilities aren't available in any other tool for this API.
review — Turn recent saves, unfiled elements, duplicate connections, AI flags, and missing attribution into a deterministic maintenance queue.
Use it before a weekly curation session to see exactly what needs attention.
cosmos-pp-cli review --since 7d --jsoncollection overlap — Compare two collections and report shared elements, duplicate media, and references unique to each side.
Use it to keep project moodboards distinct and avoid recycling the same references.
cosmos-pp-cli collection overlap 101 202 --jsoncollection coverage — Compare live Cosmos search results with live collection membership and return promising references that are not already saved.
Use it when a board feels repetitive and you need genuinely new references.
cosmos-pp-cli collection coverage --collection 101 --query 'brutalist typography' --limit 20 --jsonprovenance audit — Report missing source URLs or authors and show source concentration from live collection elements.
Use it before publishing or handing off a moodboard so references remain attributable.
cosmos-pp-cli provenance audit --collection 101 --jsonsnapshot diff — Compare historical collection membership and show added, removed, and moved elements.
Use it to audit a team's curation changes or reproduce an earlier moodboard state.
cosmos-pp-cli snapshot diff --from 7d --to now --jsonelement trail — Walk visual similarity results to a bounded depth and emit a deduplicated, source-aware graph.
Use it to explore a visual direction without losing the path back to the seed reference.
cosmos-pp-cli element trail --id 2113061259 --depth 2 --limit 12 --jsonThis CLI was generated from a sanitized authenticated, read-only browser capture.
https://api.cosmos.so/graphql is sufficient; do not launch a browser for normal CLI work.env:COSMOS_TOKEN; never echo credentials into logs.--yes (or --agent) and support --dry-run before validation.The public surface is curated; captured GraphQL operation families are internal implementation details and are not executable commands. Use --help on these stable command groups:
discover - search elements and collections or browse featured referencescollection - list, inspect, create, connect, compare, and audit collectionselement - inspect, save, connect, and explore visual referencesactivity list and feed - inspect account activity and the personalized feedreview and provenance audit - find filing, duplication, and attribution issuessync and snapshot diff - capture profile-scoped membership history and compare itexport collection and export gallery - write explicit user-selected output filesimport status - inspect active Cosmos imports without accepting caller-supplied GraphQLidentity, whoami, and doctor - verify the selected tenant-gated accountcosmos-pp-cli export collection 101 --output ./collection-101.json --jsonExports normalized element, media, and source-attribution metadata as JSON.
cosmos-pp-cli collection coverage --collection 101 --query 'warm modernist interiors' --limit 30 --jsonReturns live search candidates not already connected to the collection.
cosmos-pp-cli provenance audit --collection 101 --jsonShows missing sources and concentration by source domain without crawling third-party sites.
Public discovery commands work without a token. Personal collections and writes use a Cosmos bearer token supplied through COSMOS_TOKEN. Run cosmos-pp-cli auth identify --json, then create a tenant-gated client profile whose credential reference is env:COSMOS_TOKEN; credentials are never included in exported manifests or JSON output.
Run cosmos-pp-cli doctor to verify setup.
Add --agent to any command. Expands to: --json --compact --no-input --no-color --yes.
Pipeable — JSON on stdout, errors on stderr
Filterable — --select keeps a subset of fields. Dotted paths descend into nested structures; arrays traverse element-wise. Critical for keeping context small on verbose APIs:
cosmos-pp-cli collection list --agent --select id,namePreviewable — --dry-run shows the request without sending
Non-interactive — never prompts, every input is a flag
Explicit retries — use --idempotent only when an already-existing create should count as success
Agents should treat the CLI's path resolver as part of the runtime contract:
Use --home <dir> for one invocation, or set COSMOS_HOME=<dir> to relocate all four path kinds under one root.
Use per-kind env vars only when a specific kind must diverge: COSMOS_CONFIG_DIR, COSMOS_DATA_DIR, COSMOS_STATE_DIR, COSMOS_CACHE_DIR.
Resolution order is per-kind env var, --home, COSMOS_HOME, XDG (XDG_CONFIG_HOME, XDG_DATA_HOME, XDG_STATE_HOME, XDG_CACHE_HOME), then platform defaults.
config contains settings like config.toml and profiles. data contains data.db and private, client-profile-scoped cosmos-snapshots/*.json files. state contains persisted queries, jobs, and teach.log. cache contains regenerable HTTP/cache files.
Cosmos tokens remain in COSMOS_TOKEN; this CLI does not persist them to its config or data directories.
Run cosmos-pp-cli doctor --fail-on warn to surface path and credential-location warnings. agent-context exposes a schema v4 paths block for agents that need the resolved dirs.
For MCP, pass relocation through the MCP host config. The MCP binary does not inherit CLI flags:
{
"mcpServers": {
"cosmos": {
"command": "cosmos-pp-mcp",
"env": {
"COSMOS_HOME": "/srv/cosmos"
}
}
}
}Fleet precedence: an inherited per-kind env var overrides an explicit --home for that kind. Use COSMOS_HOME or per-kind vars as durable fleet levers, and use --home only for a single invocation. Relocation is not reversible by unsetting env vars; move files manually before clearing COSMOS_HOME, or doctor will not find credentials left under the former root.
This CLI ships a self-capturing learning loop. The CLI does its own bookkeeping: every invocation is journaled locally, a failed flag followed by a corrected retry auto-derives a flag_alias candidate, and a teach on a query family without a playbook auto-synthesizes a playbook_candidate from the session's journal. Your job is judgment only: recall first, act on surfaced candidates, teach the final answer, playbook amend when you observe a correction. You never record failures by hand.
recall before any discoveryBefore list/search/drill commands on a new user question, run:
cosmos-pp-cli recall "<user's question>" --agentThe response envelope:
{
"query": "...",
"normalized": "<normalized form>",
"query_entities": ["..."],
"found": true | false,
"match_score": 0.0,
"results": [
{ "resource_id": "...", "resource_type": "...", "venue": "...",
"confidence": 2, "entity_match": "exact|partial|unknown",
"source": "taught|preseed|pattern", "warnings": ["..."] }
],
"mismatches": [ /* only when --debug-mismatches */ ],
"warnings": [ /* top-level */ ],
"candidates": [
{ "id": 12, "class": "flag_alias | playbook_candidate",
"summary": "...", "sightings": 3, "last_seen": "...",
"rationale": "...",
"next_action": ["<trial command>", "cosmos-pp-cli learnings confirm 12"] }
],
"playbook": {
"query_family": "...",
"playbook": {
"steps": [ { "cmd": "<command with {slot} substitution>", "purpose": "..." } ],
"entity_slots": ["$ENTITY"],
"expected_tool_calls": 3
},
"slots_resolved": { "$ENTITY": { "token": "<live token>", "canonical": "<canonical>" } },
"notes": "<workarounds + gotchas for this query family>"
},
"notes": "<duplicate surface for non-playbook callers>"
}Empty-store short-circuit: if the store has no learnings, playbooks, or candidates yet (recall finds nothing and learnings list and learnings candidates are both empty), skip recall for the rest of this session instead of taxing every query; resume recall-first once something has been taught.
Read candidates, playbook, notes, results[0], and warnings in that order:
if Candidates present (warnings include "candidates_present"):
-> candidates are try-then-confirm, never facts. Follow each candidate's
two-step next_action verbatim: run the trial command first, then run
`learnings confirm <id>` only after the trial verified the behavior.
Reject a wrong candidate with `learnings reject <id>`.
-> NEVER re-teach something recall surfaced as a candidate; confirm or
reject that candidate instead of teaching a duplicate.
-> candidates ride alongside playbooks and resource hits, not instead of
them; continue with the branches below after acting on them.
if Playbook present:
-> READ Playbook.notes verbatim FIRST (workarounds + gotchas the CLI surface doesn't expose)
-> replay Playbook.steps in order, substituting Playbook.slots_resolved entries
for the entity slot tokens. If a step's slot is unresolved, fall back to
discovery for that step only.
-> the Playbook's expected_tool_calls is a budget; if you find yourself running
materially more, record the divergence via `cosmos-pp-cli playbook amend`
at end-of-session.
elif Notes present (no Playbook):
-> read Notes verbatim before any discovery step; they carry known gotchas
for this query family even when no structured choreography exists yet.
elif Found AND Results[0].EntityMatch == "exact" AND Results[0].Confidence >= 2:
-> skip discovery; fetch live data for Results[*].ResourceID in parallel
elif Found AND Results[0].EntityMatch == "partial":
-> candidate hint, NOT a hit; read the resource title to validate before trusting
elif (any row in Mismatches[] when --debug-mismatches was passed):
-> treat as cold start; the stored learning is for a different entity
(different canonical resolved from query_entities)
else: // Found == false, no playbook, no notes
-> cold start; run discovery normally; teach the answer afterward (Step 4).
If the family has no playbook yet, that teach auto-synthesizes a
playbook candidate from this session's journal - you do not need to
record one by hand.Playbook and Notes are orthogonal to the per-resource path. A recall response can carry both a Playbook AND a Results[] hit - use both: the Playbook tells you which choreography to run; the resource hits short-circuit specific steps. Default to skipping mismatches; pass --debug-mismatches only when investigating cold-start surprises.
Candidate judgment details: learnings confirm <id> prints the candidate's full payload before materializing it - check that the printed payload matches the behavior you verified. learnings reject <id> tombstones the derivation signature so the same candidate does not resurface. The envelope carries only the few candidates worth acting on now; cosmos-pp-cli learnings candidates lists the full open set.
Graceful degradation: if learnings confirm is an unknown command, you are driving an older binary - ignore the candidates guidance and follow the rest of the protocol.
warningslow_confidence: row exists at confidence<2. Treat as a hint, not a skip-discovery hit.resource_not_in_store: the local store doesn't have the resource the learning points at. The match validator couldn't classify entities — direct-fetch and re-evaluate.cross_alias_match (per-result): the row was taught under a different alias and matched the live query's canonical via entity_lookups (e.g., a "USA" teach satisfying a "United States" recall). Trust the resource_id.similar_shape_different_entity:<canonical> (top-level): a structurally matching row exists but its canonical entity differs from the live query's. Treated as cold start; the warning carries the conflicting canonical as a hint, but the row is NOT promoted into Results.ambiguous_alias (top-level): a single query entity resolved to multiple canonicals (e.g., "Cards" → Arizona Cardinals + St. Louis Cardinals). Surface the ambiguity from context before committing to a resource.candidates_present (top-level): the envelope carries a candidates section. Handle it via the candidates branch in Step 2 before anything else.no_learnings_for_query_family: the table had no rows above the Jaccard floor. Pure cold start.teach & after finalizing your response - alwaysTeaching is unconditional. After resolving a query the store could not answer, background-teach the final resource mapping - no call-count threshold, no judging whether it was "worth" learning. The teach is the anchor of the loop: it triggers playbook synthesis for a family without a playbook, and same-referent phrasings fold into one family so near-duplicate teaches do not fragment the store. Fire it after assembling your user-facing response but BEFORE emitting it, with a shell & so the call returns immediately:
cosmos-pp-cli teach --query "<user's question>" --resource-type <type> --resource <id1> --resource <id2>
# (append shell `&` to background it)Silent on success. Errors only land in teach.log under the resolved state dir. Teach the most specific resource - if the user asked a broad question and you walked through parent records to find the specific answer, teach the leaf id, not the parent. The CLI uses seeded entity_lookups for cross-alias resolution at recall time, so a teach under one alias (e.g., "Niners") satisfies future queries under another alias (e.g., "49ers", "San Francisco") automatically.
PII rule: teach the structural question with identifiers stripped - never include names, emails, phone numbers, account ids, or other personal identifiers in taught queries or notes. The CLI scans teach queries for obvious email/phone shapes and warns, but does not block; strip before teaching rather than relying on the warning.
You do not need to decide whether a session "deserves" a playbook: a teach on a family without one auto-synthesizes a playbook_candidate from the session's journal, and the next session judges it via confirm/reject. Attach explicit playbook flags only when you already hold choreography worth recording verbatim - workarounds the CLI didn't surface (silently-dropped flags, undocumented params, pagination tricks, payload gotchas). Prefer the integrated one-call form - record the resource learning and the playbook in the same teach invocation:
# Common case: record both the resource learning AND the playbook in one call.
cosmos-pp-cli teach \
--query "<user's question>" \
--resource <id> \
--playbook-file ~/playbooks/<shape>.json \
--playbook-notes-file ~/playbooks/<shape>-notes.md
# (append shell `&` to background it)
# Alternate: playbook-only (no resource to record alongside).
cosmos-pp-cli teach-playbook \
--query "<user's question>" \
--playbook-file ~/playbooks/<shape>.json \
--notes-file ~/playbooks/<shape>-notes.mdPlaybook files are JSON with steps, entity_slots, expected_tool_calls. Notes files are markdown carrying the gotchas verbatim. File-free callers (MCP-only agents) pass the same content inline: --playbook-json and --playbook-notes on the integrated teach form, --playbook-json and --notes on teach-playbook. On the integrated teach form, the playbook flags are optional - omit them entirely for a resource-only teach. On the standalone teach-playbook form, at least one of the playbook and notes flags must be set; both empty is rejected. Playbooks are keyed on the structural query family (entities stripped) so a recipe taught from one entity-shaped query applies to every other query of the same shape, with slots_resolved binding the live query's canonical at recall time.
When you DO find a playbook on a future recall, treat it as ground truth: replay the steps with slots_resolved substitutions, skip the discovery that the choreography already documents, and read notes before any step.
playbook amend & when your debug response identifies a correctionIf your debug-protocol response identifies a concrete correction the notes or playbook should know — a workaround, an undocumented endpoint shape, a stale field name, observed schema drift, an empty-payload fallback — fire playbook amend BEFORE emitting your user-facing response. Same fire-and-forget posture as teach.
cosmos-pp-cli playbook amend \
--query "<exact recall query string>" \
--add-note "<your concrete correction>"
# (append shell `&` to background it)What counts as worth amending: a behavior you OBSERVED this session that future-you would benefit from knowing. Examples worth amending:
{meta, results}, payload nested two levels deeper than the docs claim).What does NOT belong in notes:
The amend command appends to the family's existing notes with a timestamped marker ([amend YYYY-MM-DDTHH:MMZ]: <text>). Multiple amends accumulate; the audit trail is visible. If no playbook exists yet for the family, amend creates a notes-only one (so cold-start corrections still land).
playbook amend notes are designed to potentially flow upstream as shared knowledge in future versions of the Printing Press. Keep them clean of user-identifying content so the upstream-contribution path stays open without retroactive scrubbing:
If a correction is only meaningful with user-specific context, it belongs in a personal note, not in the playbook amend.
cosmos-pp-cli learnings stats reports recall hit rate, teach-to-reuse, playbook resolution rate, and candidate confirm/reject counts from the local learn_events table. Rates are null until they have a denominator; everything stays on this machine. Use it to check whether the loop is earning its keep for this CLI.
--no-learn on a single command short-circuits both recall and the teach write path. Use for deterministic agent flows or tests that must not be affected by accumulated learnings.COSMOS_NO_LEARN=true in the environment globally disables the pipeline.When you (or the agent) notice something off about this CLI, record it:
cosmos-pp-cli feedback "the --since flag is inclusive but docs say exclusive"
cosmos-pp-cli feedback --stdin < notes.txt
cosmos-pp-cli feedback list --json --limit 10Entries are stored locally as feedback.jsonl under the resolved data dir. They are never POSTed unless COSMOS_FEEDBACK_ENDPOINT is set AND either --send is passed or COSMOS_FEEDBACK_AUTO_SEND=true. Default behavior is local-only.
Write what surprised you, not a bug report. Short, specific, one line: that is the part that compounds.
Every command accepts --deliver <sink>. The output goes to the named sink in addition to (or instead of) stdout, so agents can route command results without hand-piping. Three sinks are supported:
| Sink | Effect |
|---|---|
stdout | Default; write to stdout only |
file:<path> | Atomically write output to <path> (tmp + rename) |
webhook:<url> | POST the output body to the URL (application/json or application/x-ndjson when --compact) |
Unknown schemes are refused with a structured error naming the supported set. Webhook failures return non-zero and log the URL + HTTP status on stderr.
A profile is a saved set of flag values, reused across invocations. Use it when a scheduled or recurring agent reuses the same saved flags while providing different input each run.
cosmos-pp-cli profile save briefing --json
cosmos-pp-cli --profile briefing activities --operation-name example-resource
cosmos-pp-cli profile list --json
cosmos-pp-cli profile show briefing
cosmos-pp-cli profile delete briefing --yesExplicit flags always win over profile values; profile values win over defaults. agent-context lists all available profiles under available_profiles so introspecting agents discover them at runtime.
| Code | Meaning |
|---|---|
| 0 | Success |
| 2 | Usage error (wrong arguments) |
| 3 | Resource not found |
| 4 | Authentication required |
| 5 | API error (upstream issue) |
| 7 | Rate limited (wait and retry) |
| 10 | Config error |
Parse $ARGUMENTS:
help, or --help → show cosmos-pp-cli --help outputinstall → ends with mcp → MCP installation; otherwise → see Prerequisites above--agent)go install github.com/mvanhorn/printing-press-library/library/productivity/cosmos/cmd/cosmos-pp-mcp@latestclaude mcp add cosmos-pp-mcp -- cosmos-pp-mcpclaude mcp listwhich cosmos-pp-cli
If not found, offer to install (see Prerequisites at the top of this skill).--agent flag:cosmos-pp-cli <command> [subcommand] [args] --agentcosmos-pp-cli <command> --help.© mvanhorn, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Just SKILL.md in cli-skills/pp-cosmos of mvanhorn/printing-press-library.
Open the folder on GitHubat commit d9a1696
Pp Cosmos next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Pp Cosmos this skillmvanhorn/printing-press-library | 2.1k | — | ~6.6k | Automated safety check: Notes | Apache-2.0 | |
| Organizationthedaviddias/Front-End-Checklist | 74k | — | ~609 | Automated safety check: Pass | MIT | |
| File Organizerdavila7/claude-code-templates | 33k | 7 repos | ~1.6k | Automated safety check: Pass | MIT | |
| Export0xsline/OpenChatCut | 2.2k | — | ~2.2k | Automated safety check: Warn | AGPL-3.0 | |
| Export Download Debuggingnexu-io/open-design | 100k | — | ~725 | Automated safety check: Pass | Apache-2.0 | |
| Cost Exportruvnet/ruflo | 74k | — | ~687 | Automated safety check: Notes | MIT |
thedaviddias/Front-End-Checklist
A skill your agent uses when auditing structured data on a business or brand website homepage.
davila7/claude-code-templates
Intelligently organizes files and folders by understanding context, finding duplicates, and suggesting better organizational structures.
0xsline/OpenChatCut
A skill your agent uses when a OpenChatCut video editing or creation workflow needs export, render, download, share, final delivery, subtitle-file export, render choice, local-only asset handling…
nexu-io/open-design
Diagnose and fix browser, preview, or Electron export/download failures, especially image export issues involving Save As, Blob/Data URLs, the File System Access API, createWritable failures, and 0…
ruvnet/ruflo
Export cost-tracking telemetry in Prometheus textfile or webhook JSON formats — for external observability (Grafana, Datadog, custom dashboards)
asgeirtj/system_prompts_leaks
Organize existing ChatGPT Pages and Space structure when the user requests changes to that structure.
mvanhorn/printing-press-library
Desktop automation through the real Rust agent-desktop CLI, published in Printing Press through a small bridge.
mvanhorn/printing-press-library
Search, browse, and download Google Fonts from the terminal via the gfonts CLI.
mvanhorn/printing-press-library
The free, offline Trigger phrases: search 1688 for, find a factory on 1688 for, wholesale price on 1688 for, who is the cheapest supplier on 1688 for, compare 1688 suppliers for, use 1688, run 1688.
mvanhorn/printing-press-library
Inspect known Activity Japan plan IDs or URLs, compare dated prices and sessions, check language-sitemap coverage, and hand off to canonical booking pages.
mvanhorn/printing-press-library
Every Admin By Request portal action, plus a local SQLite mirror of audit, events, inventory and requests for ad-hoc...
mvanhorn/printing-press-library
macOS screen capture, window recording, GIF conversion, and agent evidence bundles from the terminal.
Search, organize, export, and audit your Cosmos inspiration library from the terminal. Pp Cosmos is an agent skill from mvanhorn/printing-press-library. Search, organize, export, and audit your Cosmos inspiration library from the terminal.
Pp Cosmos fits situations like: phrases: search Cosmos; find Cosmos inspiration; show my Cosmos collections; save this to Cosmos.
Run `npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a claude-code`. Or copy the skill folder (cli-skills/pp-cosmos in mvanhorn/printing-press-library) into .claude/skills/pp-cosmos in your project. Claude Code loads it when a task matches its description.
Run `npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a codex`. Or copy the skill folder (cli-skills/pp-cosmos in mvanhorn/printing-press-library) into .agents/skills/pp-cosmos in your project. Codex loads it when a task matches its description.
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mvanhorn/printing-press-library --skill pp-cosmos -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/pp-cosmos, .gemini/skills/pp-cosmos, .github/skills/pp-cosmos and .opencode/skills/pp-cosmos in your project.
Going by SKILL.md and its folder, Pp Cosmos needs the command-line tools its instructions call (go, claude and npx) and credentials named COSMOS_TOKEN. Our summary lists: Node.js; A credential in COSMOS_TOKEN. Its frontmatter pre-approves these tools: Read, Bash.
SKILL.md names 1 domain. In commands or code: api.cosmos.so; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.
Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
Pp Cosmos is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
About 6.6k tokens (SKILL.md is roughly 27k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
Skills that share tags, products or a category with Pp Cosmos: Organization (thedaviddias/Front-End-Checklist, 74k stars), File Organizer (davila7/claude-code-templates, 33k stars), Export (0xsline/OpenChatCut, 2.2k stars) and Export Download Debugging (nexu-io/open-design, 100k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
mvanhorn (a GitHub user) maintains it in mvanhorn/printing-press-library, which has 2,056 GitHub stars. The repository holds 506 skills in this directory. The repository was last updated on October 9, 2026.
Source: mvanhorn/printing-press-library on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.