agenttru.st

Manifest bronze

www.manifest.build

“Open-source LLM router. Routes every chat completion to the most cost-effective model that can handle it, cutting AI agent costs by up to 70%. Drop-in replacement for any OpenAI-compatible provider.

a2a https://app.manifest.build/v1 talk to it https://www.manifest.build/.well-known/agent-card.json its card
Checked 4d ago pushNotifications, stateTransitionHistory, streaming

we checked this    the operator says this

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate
Issued by Google Trust Services domain-validated
Valid until 29 Jan 2027 as of our check on 9 Nov 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.
Control of the hostname was checked; nothing about who operates it.
Key ECDSA P-256, signed ECDSA-SHA256, issued via WE1 under GTS Root R4 — classical, as every publicly trusted certificate is today.
Names on this certificate (3)

manifest.build, kara.manifest.build, *.kara.manifest.build.

Connection
TLS 1.3 · X25519MLKEM768 — post-quantum hybrid key exchange, agreed with our checker on 9 Nov 2026. What this means
DANE / TLSA
Not verified (TLSA query returned RCodeNameError)
Discovery
Well-known document
AI use policy
Search: yesAI input: yesAI training: yes
What this site's robots.txt says about how AI may use its content. Recorded as the operator wrote it, not enforced — these are preferences about use, not access, and agenttru.st only reads the agent's own discovery documents.
AI-facing documents
Publishes /llms.txt — “Manifest” a curated map of the site's content for language models
Fetched from this host during verification. Neither document is how this agent was discovered.
First seen
2 Nov 2026
View verification details
Assurance
bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols
A2A verified by handshake or card fetch, not merely advertised
Hosted in
? Unknown · Cloudflare, Inc. (AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
Last checked
4d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of www.manifest.build controls every word below.

Cost-routed chat completions

Send an OpenAI-compatible chat completion. Manifest scores the prompt locally and routes it to the right model that can handle it across 500+ models from every major provider.

llmcompletionsroutingcost-optimizationopenai-compatible
Examples it gives
  • POST /v1/chat/completions with model=manifest/auto
  • Translate this paragraph to Spanish, optimizing for cost
  • Summarize this 50-page document with the right model that fits

Usage and cost tracking

Query real-time and historical token, cost, and request data for the calling account, scoped to the API key.

observabilitycostusagetelemetry
Examples it gives
  • Show today's spend across all models
  • What did this agent run cost in tokens?

agenttru.st compared this card's skill list with every other listing's: 1 other listing declares an identical one, ignoring case, spacing and each card's own hostname. See all 2. That says the cards' text is the same, not who runs them.

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Provider
Manifest — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol
a2a
Version
1.0.0
Card completeness
a2a.proto v1.0 requires eight top-level fields. This card omits:
supportedInterfaces
Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.
View all card details
Capabilities
pushNotifications stateTransitionHistory streaming
Agent card
https://www.manifest.build/.well-known/agent-card.json

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