Apache Magpie is a framework of agent-assisted workflows for maintaining Apache software projects, including issue triage, pull-request review, contributor mentoring, and security-report handling. Apache maintainers and developers use it to delegate repetitive project work to coding agents while retaining human review. Its catalogue entries are the skills, instructions, plugin, and settings that implement these workflows.
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 skills add apache/magpie --skill welcome-guidegit clone --depth 1 https://github.com/apache/magpieWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/apache/magpie/welcome-guide)<a href="https://agentmods.dev/skills/apache/magpie/welcome-guide"><img src="https://agentmods.dev/badge/skills/apache/magpie/welcome-guide/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/apache/magpie/welcome-guide"><img src="https://agentmods.dev/badge/skills/apache/magpie/welcome-guide.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What 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 5.1 | $0.00045 | $0.01372 |
| Opus 5.5 | $0.00018 | $0.00549 |
| Sonnet 5.5 | $0.00009 | $0.00274 |
| Haiku 4.5 | $0.00005 | $0.00137 |
Grade A, and why
welcome-guide 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 yesterday.
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 — 112 lines — stays where its author put it; the contents beside it link to each section on GitHub.
setup-welcome-guide
Every Magpie skill's pre-flight shows a short welcome guide the first time it is due:
the general guide on the first Magpie skill a user runs, and a family's guide on the first run of that family.
This skill shows any of them on request, and brings back one the user dismissed or hid.
The guides live in the pre-flight checker,
setup_preflight/guides/, one Markdown file each;
this skill adds no logic of its own and only runs the checker's welcome command.
Adopter overrides
Before running its default behaviour, this skill consults
setup-welcome-guide.md in the personal layer
(.apache-magpie-local/ when the project adopted Magpie, falling back to the main checkout's in a linked worktree,
or <git-common-dir>/apache-magpie/ when Magpie is only installed; applied first, wins on conflict) and
.apache-magpie-overrides/setup-welcome-guide.md (committed, project-wide)
in the adopter repo, if present, and applies any agent-readable overrides it finds.
See docs/setup/agentic-overrides.md for the contract.
Hard rule: agents NEVER modify the snapshot under <adopter-repo>/.apache-magpie/.
Local modifications go in the override file; framework changes go via PR to apache/magpie.
Inputs
| Argument | Guide |
|---|---|
| (none) | general — getting started, staying current, asking, making Magpie yours. |
<family> |
That family's guide, for example security. |
Step 1 — Show the guide
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.
- yesterday Changed 781148cc25b8
- 11d ago First seen · 112 lines · 45 tokens per session scan A 7bd1eb8500a5
welcome-guide is a skill published in the GitHub repository apache/magpie (128 stars, last pushed yesterday), licensed Apache-2.0. It adds 45 tokens to every session and 1,372 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-10-17.
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