pp-wikipedia

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Printing Press CLI for Wikipedia. Wikipedia REST API. Get article summaries, search, browse related topics, and access on-this-day events. No...

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Sourcemvanhorn/printing-press-library
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NPX Install

npx skill4agent add mvanhorn/printing-press-library pp-wikipedia

Tags

Translated version includes tags in frontmatter
wikipedia-cliprinting-pressrest-apicommand-line-toolagent-mode

SKILL.md Content

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Wikipedia — Printing Press CLI

Prerequisites: Install the CLI

This skill drives the 
wikipedia-pp-cli
binary. You must verify the CLI is installed before invoking any command from this skill. If it is missing, install it first:
  1. Install via the Printing Press installer:
    bash
    npx -y @mvanhorn/printing-press install wikipedia --cli-only
  2. Verify: 
    wikipedia-pp-cli --version
  3. Ensure 
    $GOPATH/bin
    (or 
    $HOME/go/bin
    ) is on 
    $PATH
    .
If the 
npx
install fails (no Node, offline, etc.), fall back to a direct Go install (requires Go 1.23+):
bash
go install github.com/mvanhorn/printing-press-library/library/media-and-entertainment/wikipedia/cmd/wikipedia-pp-cli@latest
If 
--version
reports "command not found" after install, the install step did not put the binary on 
$PATH
. Do not proceed with skill commands until verification succeeds.

When Not to Use This CLI

Do not activate this CLI for requests that require creating, updating, deleting, publishing, commenting, upvoting, inviting, ordering, sending messages, booking, purchasing, or changing remote state. This printed CLI exposes read-only commands for inspection, export, sync, and analysis.

Command Reference

feed — Manage feed
  • wikipedia-pp-cli feed <day>
    — Returns events, births, deaths, or holidays that occurred on a given date.
page — Article content and metadata
  • wikipedia-pp-cli page get-html
    — Returns the full article body as styled HTML.
  • wikipedia-pp-cli page get-media
    — Returns images, videos, and other media files associated with an article.
  • wikipedia-pp-cli page get-random
    — Returns a random Wikipedia article summary.
  • wikipedia-pp-cli page get-summary
    — Returns a page summary including title, extract text, thumbnail, and coordinates.

Finding the right command

When you know what you want to do but not which command does it, ask the CLI directly:
bash
wikipedia-pp-cli which "<capability in your own words>"
which
resolves a natural-language capability query to the best matching command from this CLI's curated feature index. Exit code 
0
means at least one match; exit code 
2
means no confident match — fall back to 
--help
or use a narrower query.

Auth Setup

No authentication required.
Run 
wikipedia-pp-cli doctor
to verify setup.

Agent Mode

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:
    bash
    wikipedia-pp-cli feed mock-value --agent --select id,name,status
  • Previewable — 
    --dry-run
    shows the request without sending
  • Offline-friendly — sync/search commands can use the local SQLite store when available
  • Non-interactive — never prompts, every input is a flag
  • Read-only — do not use this CLI for create, update, delete, publish, comment, upvote, invite, order, send, or other mutating requests

Response envelope

Commands that read from the local store or the API wrap output in a provenance envelope:
json
{
  "meta": {"source": "live" | "local", "synced_at": "...", "reason": "..."},
  "results": <data>
}
Parse 
.results
for data and 
.meta.source
to know whether it's live or local. A human-readable 
N results (live)
summary is printed to stderr only when stdout is a terminal — piped/agent consumers get pure JSON on stdout.

Agent Feedback

When you (or the agent) notice something off about this CLI, record it:
wikipedia-pp-cli feedback "the --since flag is inclusive but docs say exclusive"
wikipedia-pp-cli feedback --stdin < notes.txt
wikipedia-pp-cli feedback list --json --limit 10
Entries are stored locally at 
~/.wikipedia-pp-cli/feedback.jsonl
. They are never POSTed unless 
WIKIPEDIA_FEEDBACK_ENDPOINT
is set AND either 
--send
is passed or 
WIKIPEDIA_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.

Output Delivery

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:
SinkEffect
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.

Named Profiles

A profile is a saved set of flag values, reused across invocations. Use it when a scheduled agent calls the same command every run with the same configuration - HeyGen's "Beacon" pattern.
wikipedia-pp-cli profile save briefing --json
wikipedia-pp-cli --profile briefing feed mock-value
wikipedia-pp-cli profile list --json
wikipedia-pp-cli profile show briefing
wikipedia-pp-cli profile delete briefing --yes
Explicit 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.

Exit Codes

CodeMeaning
0Success
2Usage error (wrong arguments)
3Resource not found
5API error (upstream issue)
7Rate limited (wait and retry)
10Config error

Argument Parsing

Parse 
$ARGUMENTS
:
  1. Empty, 
    help
    , or 
    --help
     → show 
    wikipedia-pp-cli --help
    output
  2. Starts with 
    install
     → ends with 
    mcp
    → MCP installation; otherwise → see Prerequisites above
  3. Anything else → Direct Use (execute as CLI command with 
    --agent
    )

MCP Server Installation

  1. Install the MCP server:
    bash
    go install github.com/mvanhorn/printing-press-library/library/other/wikipedia-pp-cli/cmd/wikipedia-pp-mcp@latest
  2. Register with Claude Code:
    bash
    claude mcp add wikipedia-pp-mcp -- wikipedia-pp-mcp
  3. Verify: 
    claude mcp list

Direct Use

  1. Check if installed: 
    which wikipedia-pp-cli
    If not found, offer to install (see Prerequisites at the top of this skill).
  2. Match the user query to the best command from the Unique Capabilities and Command Reference above.
  3. Execute with the 
    --agent
    flag:
    bash
    wikipedia-pp-cli <command> [subcommand] [args] --agent
  4. If ambiguous, drill into subcommand help: 
    wikipedia-pp-cli <command> --help
    .