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Fastly vs KeyCDN

Fastly scores higher on the AgentReady, 60/100 against 45/100. They differ on 13 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Fastly. Fastly is an edge cloud platform company that helps businesses build, secure, and deliver fast, scalable sites and apps.

KeyCDN. KeyCDN is a high performance content delivery network built for the future, enabling users to deliver content to users at blazing fast speed with setup in minutes.

Where Fastly is ahead

Fastly passes clear canonical domain, public docs discoverable, llms.txt published, mcp discoverable and machine-readable metadata, and KeyCDN does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: structured api reference. KeyCDN misses it.

And on adopt, fast time to first request, copyable quickstart, cli available and mcp integration available. KeyCDN misses those.

Where KeyCDN is ahead

KeyCDN passes clear product positioning, and Fastly does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: authentication documented. Fastly misses it.

And on adopt, no mandatory sales call. Fastly misses it.

What neither does

Both fail llms-full.txt / full agent docs, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, programmatic credential creation, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified. If your agent needs any of those, you will be building it yourself either way.

Score, pillar by pillar

The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.

Discover is whether an agent can find the product at all without being told it exists. Fastly leads 80 to 47. Fastly misses clear product positioning, llms-full.txt / full agent docs; KeyCDN misses clear canonical domain, public docs discoverable, llms.txt published, llms-full.txt / full agent docs, mcp discoverable, machine-readable metadata.

Understand. Fastly leads 46 to 38. Fastly misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented; KeyCDN misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt. Fastly leads 80 to 60. Fastly misses no mandatory sales call, programmatic credential creation; KeyCDN misses programmatic credential creation, fast time to first request, copyable quickstart, cli available, mcp integration available.

Operate. Both sit at 35/100 here. Fastly misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; KeyCDN misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Fastly does not publish a machine-readable starting price and has a free tier. KeyCDN starts at $4/mo with no free tier.

Fastly plansKeyCDN plans
-Standard Usage-based

Signal by signal

SignalFastlyKeyCDN
AgentReady6045
Discovery8047
Understanding4638
Adoption8060
Operability3535
Public APIYesYes
MCP serverYesNo
OpenAPI specYesNo
CLIYesNo
llms.txtYesNo
Self-serve signupYesYes
Free tierYesNo

Which to pick

Fastly clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Fastly and KeyCDN. Alternatives to each: Fastly, KeyCDN.

An agent can fetch this as data: POST /v1/compare {"slugs": ["fastly", "keycdn"]}