a2a-agent-networking SKILL.md skillA
a2a-agent-networking from tylerjrbuell/reactive-agents-ts is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add tylerjrbuell/reactive-agents-ts/a2a-agent-networking@v2.0Pins v2.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- tylerjrbuell/reactive-agents-ts
- Path
apps/docs/skills/a2a-agent-networking/SKILL.md- Versions recorded
- 2
- Latest version
- v2.0, committed Jul 20, 2026
- First version recorded
- Apr 10, 2026
- Size
- 5,750 bytes
- Repository stars
- 31
- License
- MIT
Expose agents as A2A JSON-RPC servers discoverable via Agent Cards, and connect agents to remote A2A agents using the client discovery and capability-matching APIs.
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
# Agent-to-Agent (A2A) Networking
## Agent objective
Produce a builder with `.withA2A()` configured to expose an agent as an A2A server, or connect to remote A2A agents using the client APIs from `@reactive-agents/a2a`.
## When to load this skill
- Exposing an agent as a remotely callable A2A service
- Connecting a lead agent to remote specialist agents at different URLs
- Discovering available agents in a network via Agent Cards
- Building agent microservices that communicate over HTTP
## Implementation baseline
### Exposing an agent as an A2A server
```ts
import { ReactiveAgents } from "@reactive-agents/runtime";
const agent = await ReactiveAgents.create()
.withName("specialist")
.withProvider("anthropic")
.withReasoning({ defaultStrategy: "adaptive", maxIterations: 10 })
.withTools({ allowedTools: ["web-search", "http-get", "checkpoint"] })
.withA2A({ port: 8000 }) // starts A2A HTTP server on port 8000
.build();
// Agent is now discoverable at:
// GET http://localhost:8000/.well-known/agent.json (Agent Card)
// POST http://localhost:8000/rpc (JSON-RPC 2.0)
```
### Connecting from a lead agent
```ts
…Read the whole file at its exact version.
How to install
mdr add tylerjrbuell/reactive-agents-ts/a2a-agent-networking@sha256:263d804a2dd59fbdThe line at the top of this page pins the label v2.0, 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_2kc52fyrcvrzhj44)
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Versions
The registry has recorded 2 versions of this file, between Apr 10, 2026 and Jul 20, 2026, about one every 101 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v2.0 latest | 2026-07-20 | 80337d2 | 5,750 B | A | view · diff |
| v2.0 | 2026-04-10 | edbdd5f | 5,773 B | A | view |
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 (5750 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
tylerjrbuell/reactive-agents-ts · 31 stars · license MIT · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_2kc52fyrcvrzhj44 GET https://markdownregistry.com/api/v1/resolve?ref=tylerjrbuell/reactive-agents-ts/a2a-agent-networking GET https://markdownregistry.com/api/v1/blob/263d804a2dd59fbd010f361ddbe16c42c61cc9c1a2f31ec31e0d607b11e81d36
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.