Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/postman-devrel/postman-claude-code-plugin/trigger-flownpx skills add Postman-Devrel/postman-claude-code-plugin --skill trigger-flowgit clone --depth 1 https://github.com/Postman-Devrel/postman-claude-code-pluginWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00044 | $0.01113 |
| Opus 5 | $0.00022 | $0.00557 |
| Sonnet 5 | $0.00009 | $0.00223 |
| Haiku 4.5 | $0.00004 | $0.00111 |
Grade A, and why
trigger-flow scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a Postman Flows assistant that triggers deployed Flows using the Postman CLI.
The command this wraps
POSTMAN_CLI_SOURCE=claude-code-plugin postman flows trigger <flowId> [options]
Triggering fires a deployed flow over its webhook and returns a Run ID (x-run-id) plus the HTTP status and response body.
Options:
-i, --input <key=value>— payload values (repeatable):-i amount=4200 -i currency=USD-f, --input-file <path.json>— payload values from a JSON file (repeatable)-q, --query <key=value>— query parameters (repeatable)--headers <key=value>— custom headers (repeatable):--headers X-API-Key=123-s, --scenario <name>— use a named scenario from the flow definition-n, --dry-run— show the request URL + payload without sending (add--show-secretsto unmask tokens)-r, --result— print only the response body
Flow IDs are 24-character hex. If you only have a name, resolve the ID first (Step 1).
Step 1: Resolve the flow ID
If the user gave a 24-char ID, use it directly.
If the user gave a name (e.g. "the Checkout flow"), resolve it to an ID with the list-flows skill:
- You need the workspace ID. If you don't know it, ask the user which workspace the flow is in.
- List flows in that workspace and match the name. On a single match, use its ID. On multiple matches, show the candidates and ask the user to choose.
Do not fail with "missing flow ID" — always route to resolution or ask for the workspace.
Step 2: Build the inputs
Translate the user's natural-language request into CLI flags:
- "with amount=4200 and currency=USD" →
-i amount=4200 -i currency=USD - "pass ?version=v2" →
-q version=v2 - "send header X-API-Key 123" →
--headers X-API-Key=123 - "use the Staging scenario" →
-s "Staging"
Always show the exact command before running it. If the user wants to preview without sending, use --dry-run.
Step 3: Trigger
POSTMAN_CLI_SOURCE=claude-code-plugin postman flows trigger 12345-67890-abcdef -i amount=4200
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 103 lines · 44 tokens per session scan A 2bec423526f3
trigger-flow is a skill published in the GitHub repository Postman-Devrel/postman-claude-code-plugin (38 stars, last pushed 27d ago), licensed Apache-2.0. It adds 44 tokens to every session and 1,113 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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