Agent skill

Pp Postman Explore

by mvanhorn in mvanhorn/printing-press-library

The CLI for the public API directory at postman.com/explore — search, rank, and watch community-contributed Postman Collections, agent-native and offline.

Apache-2.0Auto-check: notesTesting & QA

Install Pp Postman Explore

skills CLI
$ npx skills add mvanhorn/printing-press-library --skill pp-postman-explore -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install mvanhorn/printing-press-library pp-postman-explore --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ 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-postman-explore .claude/skills/pp-postman-explore && rm -rf skills-src

Use ~/.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/

Facts

Skill name
pp-postman-explore
GitHub stars
2.1k
Token cost
~3.9k tokens
SKILL.md length
1,485 words
Files
1
Skills in repo
505
Repo updated
First seen
Licence
Apache-2.0

At a glance

The CLI for the public API directory at postman.com/explore — search, rank, and watch community-contributed Postman Collections, agent-native and offline.

  • Works in 3 steps: Install via the Printing Press… → Verify: postman-explore-pp-cli --version → Ensure the reported install directory is…
  • Phrases: find a postman collection for
  • SKILL.md covers Prerequisites: Install the CLI, When to Use This CLI, Unique Capabilities and HTTP Transport, plus 12 more sections
  • Calls go, claude and npx

What it does

Pp Postman Explore is an agent skill from mvanhorn/printing-press-library. The CLI for the public API directory at postman.com/explore — search, rank, and watch community-contributed Postman Collections, agent-native and offline. Trigger phrases: find a postman collection for, what postman collection should i fork for, is there a postman collection for, browse postman api network, compare postman publishers, what changed on the postman network, use postman-explore, run postman-explore.

Its SKILL.md is about 3.9k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Testing & QA, covering API testing. It works with Postman. 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.

When your agent uses it

  • Phrases: find a postman collection for
  • What postman collection should i fork for
  • Is there a postman collection for
  • Browse postman api network

Example prompts

  • “/pp-postman-explore”

Requirements

  • Node.js
  • Pre-approved tools (allowed-tools): Read, Bash

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Install via the Printing Press installer. It defaults binaries to $HOME/.local/bin on macOS/Linux and…
  2. Verify: postman-explore-pp-cli --version
  3. Ensure the reported install directory is on $PATH for the agent/runtime that will invoke this skill.

What it can do on your machine

Read from SKILL.md and the folder at commit 0fdcc7a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Bash

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • go
    • claude
    • npx

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Pp Postman Explore loads about 3.9k tokens when it runs. Until then it costs about 113 tokens; SKILL.md has 1,485 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~113
When it runs · the whole SKILL.md, loaded when a task matches
~3.9k

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.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Bash

Automated 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.

SKILL.md

The full file from mvanhorn/printing-press-library at commit 0fdcc7a, republished under its Apache-2.0 licence (© mvanhorn). 1,485 words, ~3,852 tokens.

Download SKILL.mdSave it as .claude/skills/pp-postman-explore/SKILL.md (or your agent's skills folder).
name
pp-postman-explore
description
The CLI for the public API directory at postman.com/explore — search, rank, and watch community-contributed Postman Collections, agent-native and offline. Trigger phrases: `find a postman collection for`, `what postman collection should i fork for`, `is there a postman collection for`, `browse postman api network`, `compare postman publishers`, `what changed on the postman network`, `use postman-explore`, `run postman-explore`.
allowed-tools
Read, Bash
author
Trevin Chow
license
Apache-2.0
argument-hint
<command> [args] | install cli|mcp
<!-- GENERATED FILE — DO NOT EDIT.
     This file is a verbatim mirror of library/developer-tools/postman-explore/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/". -->

Postman Explore — Printing Press CLI

Prerequisites: Install the CLI

This skill drives the postman-explore-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. It defaults binaries to $HOME/.local/bin on macOS/Linux and %LOCALAPPDATA%\Programs\PrintingPress\bin on Windows:
    bash
    npx -y @mvanhorn/printing-press-library install postman-explore --cli-only
  2. Verify: postman-explore-pp-cli --version
  3. Ensure the reported install directory is on $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):

bash
go install github.com/mvanhorn/printing-press-library/library/developer-tools/postman-explore/cmd/postman-explore-pp-cli@latest

If --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.

When to Use This CLI

Pick this CLI when you need to programmatically discover, compare, or watch community-contributed Postman Collections / workspaces / APIs / flows. Ideal for AI agents asked to find a canonical Postman Collection for a vendor, for API curators comparing publishers in a category, and for monitoring scripts that watch network changes. Skip this CLI for managing your own private Postman workspace — that's the authenticated Postman product API, which is a different surface entirely.

Unique Capabilities

These capabilities aren't available in any other tool for this API.

Discovery that compounds locally
  • canonical — One command finds the best community Postman Collection for a vendor, ranked by publisher verification, fork count, and recency.

    When the user asks an agent for a vendor's Postman Collection, this returns the best canonical choice in one call instead of forcing the agent to dedupe a search result list.

    bash
    postman-explore-pp-cli canonical stripe --json
  • top — Rank entities by any metric (weekForks, monthViewCount, etc.) with category and entity-type narrowing.

    When agents need to recommend the most-forked collections THIS week, not the all-time leaders, this is the only path that works.

    bash
    postman-explore-pp-cli top --metric weekForkCount --type collection --category payments --limit 10
  • similar — Given an entity numeric id, return collections with overlapping name, summary, and category — ranked by FTS relevance score against the seed entity's text.

    When an integrator finds one collection but wants to compare against alternatives, this returns the rivals in one call rather than forcing a fresh search.

    bash
    postman-explore-pp-cli similar 10289 --limit 5 --json
Comparative analysis
  • publishers top — Aggregate fork counts across every entity per publisher within a category; rank teams by total community gravity.

    API curators picking between vendors need cross-publisher comparison. Agents recommending an integration partner need this to break ties.

    bash
    postman-explore-pp-cli publishers top --category developer-productivity --limit 5 --json
  • category landscape — For a category slug, return: total entity counts per type, top 5 publishers by aggregate fork count, and top 5 entities by viewCount. One command, one structured payload.

    API curators evaluating a vertical (payments, AI, devops) want one snapshot of who dominates and what's popular; this is exactly that snapshot.

    bash
    postman-explore-pp-cli category landscape payments --json
Time-windowed signals
<!-- PATCH: describe current drift implementation accurately as updated-within-window, not snapshot diff. -->
  • drift — Report locally synced entities whose API-side updatedAt timestamp falls inside a time window.

    Agents tracking recently updated vendor collections rely on this after a periodic sync; it is an updated-within-window view, not a two-snapshot removed-entity diff.

    bash
    postman-explore-pp-cli drift --since 7d --type collection --json
  • velocity — Rank collections by acceleration ratio: (weekForkCount × 4) / monthForkCount. Surfaces collections breaking out before they top the popular list.

    Catching a breakout collection before it tops the popular sort is high-value for API curators tracking emerging vendors.

    bash
    postman-explore-pp-cli velocity --type collection --top 10
Quality signals
  • browse — When passed --verified-only, the browse command filters to entities owned by publishers with the verified-team flag set.

    When you want only the official-vendor collections (not community forks), this is the cleanest filter.

    bash
    postman-explore-pp-cli browse collection --verified-only --category payments --json --limit 5

HTTP Transport

This CLI uses Chrome-compatible HTTP transport for browser-facing endpoints. It does not require a resident browser process for normal API calls.

Discovery Signals

This CLI was generated with browser-observed traffic context.

  • Capture coverage: 17 API entries from 24 total network entries
  • Protocols: rest_json (60% confidence), rpc_envelope (95% confidence)
  • Auth signals: none
  • Generation hints: client_pattern:proxy-envelope, uses_browser_http_transport, no_auth_required, skip_clearance_cookie
  • Emitted command surface: browse; networkentity get-network-entity; networkentity get-network-entity-counts; category list-categories; category get; team get-workspaces; team get; search-all

Command Reference

category — Manage category

  • postman-explore-pp-cli category get — Returns full details for a category by its URL slug (e.g., artificial-intelligence, developer-productivity,...
  • postman-explore-pp-cli category list-categories — Returns all categories used to organize the API network (e.g., AI, E-commerce, Communication, DevOps). Categories...

networkentity — Manage networkentity

  • postman-explore-pp-cli networkentity get-network-entity — Returns full entity record by internal numeric id (the id field from listNetworkEntities, NOT the entityId UUID).
  • postman-explore-pp-cli networkentity get-network-entity-counts — Returns aggregate counts across the entire public API network: collections, workspaces, APIs, flows, notebooks,...
  • postman-explore-pp-cli networkentity list-network-entities — List public collections, workspaces, APIs, or flows. Supports category filtering, pagination, and minimum-fork...

search-all — Manage search all

  • postman-explore-pp-cli search-all — Search collections, workspaces, requests, flows, and teams by free-text query. With no queryIndices set, the...

team — Publisher teams on the API network

  • postman-explore-pp-cli team get — Returns small profile object (id, name, description, publicHandle, profileURL, createdAt, updatedAt) for a team by...
  • postman-explore-pp-cli team get-workspaces — Returns the array of public workspaces owned by a team identified by its publicHandle (e.g., stripedev,...
Finding the right command

When you know what you want to do but not which command does it, ask the CLI directly:

bash
postman-explore-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.

Recipes

Show full SKILL.md (658 more words)Show less
Find Stripe's official collection
bash
postman-explore-pp-cli canonical stripe --json --select id,name,publisher.publicHandle,metrics.forkCount

The canonical command picks the verified-publisher, highest-fork-count match and narrows the JSON to the four fields agents actually need.

Compare top payments publishers
bash
postman-explore-pp-cli publishers top --category payments --limit 5 --json

Aggregate fork counts across each publisher's full portfolio in the payments category.

What changed on the network this week
bash
postman-explore-pp-cli sync --resources collection,workspace,api,flow,category && postman-explore-pp-cli drift --since 7d --type collection --json

Sync, then query the local store for collections whose API-side updatedAt falls inside the requested window.

Browse top developer-productivity collections, narrow to verified publishers
bash
postman-explore-pp-cli browse collection --category 4 --verified-only --limit 10 --json --select name,publisher.publicHandle,metrics.viewCount,redirectURL

Use --select with dotted paths to avoid pulling the full ~5 KB metric array per record — keeps output small for agent context.

Find accelerating collections in payments
bash
postman-explore-pp-cli velocity --type collection --category payments --top 10

Velocity ranks by week-vs-month fork rate, surfacing collections that are breaking out before they top the all-time popular list.

Find collections similar to a seed
bash
postman-explore-pp-cli similar 10289 --limit 5 --json

More-like-this query against the local FTS index — useful for discovering rival or complementary community collections.

Get a category-wide snapshot
bash
postman-explore-pp-cli category landscape payments --json

Combines per-type counts, top publishers, and top entities for a category in one structured payload.

Auth Setup

No authentication required.

Run postman-explore-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
    postman-explore-pp-cli category get 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

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:

postman-explore-pp-cli feedback "the --since flag is inclusive but docs say exclusive"
postman-explore-pp-cli feedback --stdin < notes.txt
postman-explore-pp-cli feedback list --json --limit 10

Entries are stored locally at ~/.postman-explore-pp-cli/feedback.jsonl. They are never POSTed unless POSTMAN_EXPLORE_FEEDBACK_ENDPOINT is set AND either --send is passed or POSTMAN_EXPLORE_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
stdoutDefault; 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.

postman-explore-pp-cli profile save briefing --json
postman-explore-pp-cli --profile briefing category get mock-value
postman-explore-pp-cli profile list --json
postman-explore-pp-cli profile show briefing
postman-explore-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 postman-explore-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/developer-tools/postman-explore/cmd/postman-explore-pp-mcp@latest
  2. Register with Claude Code:
    bash
    claude mcp add postman-explore-pp-mcp -- postman-explore-pp-mcp
  3. Verify: claude mcp list

Direct Use

  1. Check if installed: which postman-explore-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
    postman-explore-pp-cli <command> [subcommand] [args] --agent
  4. If ambiguous, drill into subcommand help: postman-explore-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

Files

Just SKILL.md in cli-skills/pp-postman-explore of mvanhorn/printing-press-library.

Open the folder on GitHubat commit 0fdcc7a

Compare with similar skills

Pp Postman Explore 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.

Pp Postman Explore compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Pp Postman Explore this skillmvanhorn/printing-press-library2.1k—~3.9kAutomated safety check: NotesApache-2.0
Swing Intellij Dialog Stylelakernote/easy-postman721—~1.8kAutomated safety check: PassApache-2.0
Fontsutil Font Usagelakernote/easy-postman721—~708Automated safety check: PassApache-2.0
Swing UI Test Headless Guardlakernote/easy-postman721—~275Automated safety check: PassApache-2.0
API Testingpetrkindlmann/qa-skills165—~2.7kAutomated safety check: PassMIT
Postman Newman Automationsickn33/agentic-awesome-skills47k1 repos~2.1kAutomated safety check: PassMIT

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Works with

Categories

Questions about Pp Postman Explore

What does Pp Postman Explore do?

The CLI for the public API directory at postman.com/explore — search, rank, and watch community-contributed Postman Collections, agent-native and offline. Pp Postman Explore is an agent skill from mvanhorn/printing-press-library.com/explore — search, rank, and watch community-contributed Postman Collections, agent-native and offline.

When should I use Pp Postman Explore?

Pp Postman Explore fits situations like: phrases: find a postman collection for; what postman collection should i fork for; is there a postman collection for; browse postman api network.

How do I install Pp Postman Explore in Claude Code?

Run `npx skills add mvanhorn/printing-press-library --skill pp-postman-explore -a claude-code`. Or copy the skill folder (cli-skills/pp-postman-explore in mvanhorn/printing-press-library) into .claude/skills/pp-postman-explore in your project. Claude Code loads it when a task matches its description.

How do I install Pp Postman Explore in Codex?

Run `npx skills add mvanhorn/printing-press-library --skill pp-postman-explore -a codex`. Or copy the skill folder (cli-skills/pp-postman-explore in mvanhorn/printing-press-library) into .agents/skills/pp-postman-explore in your project. Codex loads it when a task matches its description.

Can I use Pp Postman Explore in Cursor, Gemini CLI or GitHub Copilot?

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-postman-explore -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-postman-explore, .gemini/skills/pp-postman-explore, .github/skills/pp-postman-explore and .opencode/skills/pp-postman-explore in your project.

What does Pp Postman Explore need to run?

Going by SKILL.md and its folder, Pp Postman Explore needs the command-line tools its instructions call (go, claude and npx). Our summary lists: Node.js. Its frontmatter pre-approves these tools: Read, Bash.

Does Pp Postman Explore access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Pp Postman Explore safe to install?

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.

What licence does Pp Postman Explore use?

Pp Postman Explore 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.

How many tokens does Pp Postman Explore use?

About 3.9k tokens (SKILL.md is roughly 15k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Pp Postman Explore?

Skills that share tags, products or a category with Pp Postman Explore: Swing Intellij Dialog Style (lakernote/easy-postman, 721 stars), Fontsutil Font Usage (lakernote/easy-postman, 721 stars), Swing UI Test Headless Guard (lakernote/easy-postman, 721 stars) and API Testing (petrkindlmann/qa-skills, 165 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Pp Postman Explore?

mvanhorn (a GitHub user) maintains it in mvanhorn/printing-press-library, which has 2,053 GitHub stars. The repository holds 505 skills in this directory. The repository was last updated on October 7, 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.