ShardLink Control Plane

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

Skills

• Discover Capability Graph
  Return the latest or pinned ShardLink capability graph with MCP and A2A protocol surfaces.
  discoverycontractscapability-graphmcpa2a
• Inspect Dual Plane Contract
  Return the split-authority contract that defines ShardLink and SignalHub boundaries.
  contractsdual-planegovernance
• Inspect Error Catalog
  Return deterministic error metadata, retryability, and idempotency semantics for machine callers.
  contractserrorsretryidempotency
• List Action Descriptors
  Return the A2A action descriptor catalog derived from the canonical ShardLink capability graph.
  discoveryactionsa2aexecution
• Invoke Capability Action
  Proxy a capability action to the canonical REST route with preserved auth, lease, and idempotency behavior.
  executionrestidempotencyleases
• Read Workspace Status
  Inspect workspace objective, task, directory, and bridge-read surfaces through A2A.
  statusworkspacetasksbridge
• Execute Provider Quote
  Access provider quote and execution routes through A2A while preserving lease and funding policy.
  providersbillingexecutionlease

How to call

https://shardlink.dev/a2a/jsonrpc