# 050105 Agent Discovery

> Agent and service discovery via well-known URIs: Agent Skills Discovery, MCP Server Cards, progressive disclosure, integrity verification.

- Skill: `natuleadan/050105-agent-discovery` (Agent Skill, multi-file: 13 files)
- Install (CLI): `npx skillmds@latest add natuleadan/050105-agent-discovery`
- Raw SKILL.md: https://api.skillmd.com/api/skills/natuleadan/050105-agent-discovery/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Product & Planning
- License: MIT
- Author: natuleadan (https://skillmd.com/u/natuleadan)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/natuleadan/050105-agent-discovery

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# Agent & Service Discovery

How websites and services expose their capabilities to automated clients through standardized `.well-known/` endpoints defined by RFC 8615.

## References

| Topic | File |
|---|---|
| Well-known URI pattern overview, RFC 8615 registry, existing standards | [references/well-known-overview.md](references/well-known-overview.md) |
| Agent Skills Discovery v0.2.0: index.json format, digest verification, progressive loading, archives | [references/agent-skills-discovery.md](references/agent-skills-discovery.md) |
| MCP Server Cards SEP-2127: server-card.json, capabilities, remotes, auth | [references/mcp-server-cards.md](references/mcp-server-cards.md) |
| Progressive disclosure pattern: Level 1 metadata, Level 2 instructions, Level 3 resources | [references/progressive-disclosure.md](references/progressive-disclosure.md) |

## When to Use

- Adding agent skills discovery to a service
- Publishing MCP server capabilities
- Implementing progressive loading for agent content
- Setting up `.well-known/` endpoints for automated clients
- Distributing skills with integrity verification