a2a-push-notifications SKILL.md skillA
a2a-push-notifications from orcaqubits/agentic-commerce-skills-plugins is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add orcaqubits/agentic-commerce-skills-plugins/a2a-push-notifications@git:20260309.786511cPins git:20260309.786511c in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- orcaqubits/agentic-commerce-skills-plugins
- Path
a2a-multi-agent/skills/a2a-push-notifications/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260309.786511c, committed Mar 9, 2026
- Size
- 4,250 bytes
- Repository stars
- 40
- License
- MIT
Implement A2A push notifications — callback URL registration, notification delivery, and management methods. Use when building async notification delivery for long-running A2A tasks.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# A2A Push Notifications ## Before writing code **Fetch live docs**: 1. Fetch `https://a2a-protocol.org/latest/specification/` for the push notification section 2. Web-search `site:github.com a2aproject A2A push notifications` for notification protocol details 3. Web-search `site:github.com a2aproject a2a-samples push notification` for implementation examples 4. Fetch SDK docs for push notification classes and configuration ## Conceptual Architecture ### What Push Notifications Are Push notifications allow A2A servers to **proactively notify clients** about task state changes without requiring the client to hold open a streaming connection or poll. The client registers a callback URL, and the server POSTs updates to it. ### When to Use Push Notifications - **Very long-running tasks** — Minutes to hours, where holding an SSE connection is impractical - **Asynchronous workflows** — Client doesn't need real-time updates, just eventual notification - **Serverless clients** — Clients that can't maintain long-lived connections - **Batch processing** — Multiple tasks submitted, notifications received as each completes ### How It Works …
Read the whole file at its exact version.
How to install
mdr add orcaqubits/agentic-commerce-skills-plugins/a2a-push-notifications@sha256:424e19a6b597d1e2The line at the top of this page pins the label git:20260309.786511c, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_th6tjlo3wgfq4kmr)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Mar 9, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (4250 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
orcaqubits/agentic-commerce-skills-plugins · 40 stars · license MIT · pushed 2026-09-14 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_th6tjlo3wgfq4kmr GET https://markdownregistry.com/api/v1/resolve?ref=orcaqubits/agentic-commerce-skills-plugins/a2a-push-notifications GET https://markdownregistry.com/api/v1/blob/424e19a6b597d1e2ffccbe7fdedbc0b977dabd5b6178a23f97ab6d9341257984
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.