This glossary aligns Agent-to-Agent (A2A) vocabulary with what you see in Graph Studio, Agent Registry, and the gateway. For protocol details beyond Phinite, see the official A2A protocol specification.Documentation Index
Fetch the complete documentation index at: https://docs.phinite.ai/llms.txt
Use this file to discover all available pages before exploring further.
Industry terminology map
| Industry / A2A term | Phinite UI / API | Meaning |
|---|---|---|
| Agent Card | Agent Card (wizard step 3) | Public identity: name, description, skills, tags, visibility |
| Agent Registry | Agent Registry sidebar | Workspace catalog of registered A2A agents |
| A2A endpoint / Hosted agent URL | /api/v1/ai/a2a/{flowId} or .../{registryId} | Callable agent over the Agent-to-Agent protocol |
| Skills | Skills in wizard | Callable capabilities with input/output MIME modes |
| Discoverability tags | Discoverability Tags | Metadata for search and Discovery filters |
| Deployment status | Test / Live badges | test = validation build; live = production (one live per flow per workspace) |
| Visibility | Public / Organisation | public = any A2A client with a valid API key; organization = same organisation only |
| Promote to Live | Agent Cards / promote action | PUT .../promote-live — demotes other live builds for the same flow |
| Browse mode | Browse tab on agent node | Master agent calls a specific registry agent |
| Discovery mode | Discovery tab on agent node | Master agent auto-selects agents matching saved filters at runtime |
| Agent Graph | Flow | The workflow backing the registered agent |
UI labels vs documentation terms
| Product UI label | Preferred docs term | Where it appears |
|---|---|---|
| Agent Block | Agent Node | Browse / Discovery panel when attaching registry agents on the canvas |
| Flow | Agent Graph | Project and Studio navigation (same underlying workflow) |
| Organisation | Organisation | Registry filters and Agent Card visibility (British spelling in UI) |
MIME input and output modes
Skills and registry filters declare which content types an agent accepts and returns. Phinite supports the following MIME types in Agent Registry filters and skill configuration:| MIME type | Typical use |
|---|---|
text/plain | Plain text messages |
text/markdown | Markdown-formatted text |
text/html | HTML content |
application/json | Structured JSON payloads |
application/pdf | PDF documents |
application/octet-stream | Binary or opaque payloads |
image/png, image/jpeg, image/webp | Image inputs or outputs |
video/mp4 | Video content |
audio/mpeg, audio/wav, audio/ogg, audio/aac, audio/mp4 | Audio content |
Related pages
Overview
End-to-end Agent Registry concepts and workflow.
Endpoints & lifecycle
Hosted URL patterns, test vs live, and promotion.
Registry agent nodes
Browse vs Discovery on the canvas.
Platform glossary
Broader Phinite terminology (assistants, builds, tools).