Open Source · Free Forever · Apache 2.0

Make your site discoverable
by every AI agent.

FRED Protocol unifies 12+ agent discovery protocols into one JSON file. Add it to your domain — AI agents instantly find you.

fred.json Auto-Install
Fill a form. We generate & host it. Free.
DIY — read the spec
Create fred.json yourself.
Claude Code Plugin
Auto-detects your deploys.

Protocols FRED unifies

MCP
MCP
Anthropic
A2A
A2A
Google
OpenAPI
OpenAPI
OpenAPI Initiative
llm
llms.txt
Answer.AI
Schema.org
Schema.org
Google · W3C
robots.txt
robots.txt
W3C
security.txt
security.txt
IETF
WebFinger
WebFinger
IETF
JSON-LD
JSON-LD
W3C
Sit
Sitemap.xml
sitemaps.org
DNS TXT
DNS TXT
IETF
ADP
ADP
Open Standard
MCP
MCP
Anthropic
A2A
A2A
Google
OpenAPI
OpenAPI
OpenAPI Initiative
llm
llms.txt
Answer.AI
Schema.org
Schema.org
Google · W3C
robots.txt
robots.txt
W3C
security.txt
security.txt
IETF
WebFinger
WebFinger
IETF
JSON-LD
JSON-LD
W3C
Sit
Sitemap.xml
sitemaps.org
DNS TXT
DNS TXT
IETF
ADP
ADP
Open Standard

One file to rule them all.

Instead of setting up 12 protocols separately, add one fred.json file.

MCPA2AOpenAPIllms.txtSchema.orgrobots.txtsecurity.txtWebFingerJSON-LDSitemap.xmlDNS TXTADP
yoursite.com/.well-known/fred.json
{
  "fred": "0.1",
  "identity": {
    "name": "Your Project",
    "type": "product",
    "description": "What you do",
    "url": "https://yoursite.com"
  },
  "interaction": {
    "protocols": [
      { "type": "mcp", "url": "..." }
    ]
  }
}
1
file
8
layers
12+
protocols
30s
setup

What's inside your fred.json

Your file answers questions AI agents ask about you. Only Identity is required — the Auto-Install fills in the rest from your answers.

👤IdentityWho are you?required
⚡CapabilityWhat can you do?
🔌InteractionHow do I reach you?
🛡️TrustCan I trust you?
💰PricingWhat does it cost?
📋ContextWhat should I know?
🔗DiscoveryWho is related?
📜PolicyWhat are the rules?

How agents discover you

From invisible to fully searchable by AI.

You publish fred.json
Place at /.well-known/fred.json — or let us host it free.
Agent searches your domain
ChatGPT, Claude, Gemini — any agent. One HTTP request.
Agent understands you
Identity, capabilities, APIs, trust — parsed from one file.
Agent interacts under your rules
Calls your API, respects rate limits. You stay in control.
Full specification in the whitepaper →

Validate your fred.json

Paste your fred.json below. Get instant pass/fail feedback.

Paste your fred.json and click Validate
Open Source·Apache 2.0·Free Forever·Community Governed
GitHubWhitepaper