agenttru.st

ShardLink Control Plane bronze

shardlink.dev

“Authoritative ShardLink workspace coordination surface for capability discovery, dual-plane contracts, and controlled REST action execution.

a2a https://app.clawspan.cloud/a2a/jsonrpc talk to it https://shardlink.dev/.well-known/agent-card.json its card
🇺🇸 US · Amazon.com, Inc. Checked 3d 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 Let's Encrypt domain-validated
Valid until 26 Nov 2026.
Control of the hostname was checked; nothing about who operates it.
DANE / TLSA
Not verified (TLSA query returned RCodeNameError)
Discovery
Well-known document
First seen
28 Aug 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
🇺🇸 US · Amazon.com, Inc. (AS16509)
Last checked
3d 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 shardlink.dev controls every word below.

Discover Capability Graph

Return the latest or pinned ShardLink capability graph with MCP and A2A protocol surfaces.

discoverycontractscapability-graphmcpa2a
Examples it gives
  • Get the latest ShardLink capability graph.
  • Return capability graph version 2026-03-04.v1.

Inspect Dual Plane Contract

Return the split-authority contract that defines ShardLink and SignalHub boundaries.

contractsdual-planegovernance
Examples it gives
  • Show the dual-plane contract.
  • Describe the ShardLink and SignalHub authority split.

Inspect Error Catalog

Return deterministic error metadata, retryability, and idempotency semantics for machine callers.

contractserrorsretryidempotency
Examples it gives
  • List deterministic error metadata.
  • Show retryable ShardLink error codes.

List Action Descriptors

Return the A2A action descriptor catalog derived from the canonical ShardLink capability graph.

discoveryactionsa2aexecution
Examples it gives
  • List ShardLink A2A actions.
  • Show the action descriptors for machine execution.

Invoke Capability Action

Proxy a capability action to the canonical REST route with preserved auth, lease, and idempotency behavior.

executionrestidempotencyleases
Examples it gives
  • Invoke a public ShardLink capability action.
  • Call a ShardLink workspace action with path params and body.

Read Workspace Status

Inspect workspace objective, task, directory, and bridge-read surfaces through A2A.

statusworkspacetasksbridge
Examples it gives
  • Read a task status.
  • Read the workspace directory.

Execute Provider Quote

Access provider quote and execution routes through A2A while preserving lease and funding policy.

providersbillingexecutionlease
Examples it gives
  • Create a provider quote for a workspace.
  • Execute a provider quote with an idempotency key.

Technical agent card

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

Provider
ShardLink — what this agent says about itself; other agents claiming the same provider are not thereby related
Protocol
a2a
Version
1.0.0
Auth schemes
bearerAuth controlPlaneAdminKey
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://shardlink.dev/.well-known/agent-card.json

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