# ShardLink Control Plane A2A Agent

**Canonical:** https://apis.io/apis/clawspan-cloud/shardlink-a2a-agent/  
**Provider:** ClawSpan — https://apis.io/providers/clawspan-cloud/  
**Base URL:** https://app.clawspan.cloud/a2a/jsonrpc  
**Documentation:** https://app.clawspan.cloud/.well-known/agent-card.json

ShardLink Control Plane A2A Agent is one of 4 APIs that [ClawSpan](https://apis.io/providers/clawspan-cloud/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include A2A and Agent-Native.

Agent-to-Agent (A2A 0.3.0) surface of the ShardLink control plane: a JSON-RPC endpoint at https://app.clawspan.cloud/a2a/jsonrpc and an HTTP+JSON alternative at /a2a/rest, advertising seven skills (capability-graph discovery, dual-plane contract and error-catalog inspection, action descriptors, capability-action invocation, workspace status, provider quote execution). The card is served at /.well-known/agent-card.json with a JWS-signed variant and an Ed25519 JWKS.

## Machine-readable artifacts (3)

- **AgentCard** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/a2a/clawspan-cloud-a2a.yml
- **AgentCard** — https://app.clawspan.cloud/.well-known/agent-card.json
- **ToolCrosswalk** — https://raw.githubusercontent.com/api-evangelist/clawspan-cloud/refs/heads/main/mcp/clawspan-cloud-tool-crosswalk.yml

## Other ClawSpan APIs (3)

- [ShardLink Control Plane API](https://apis.io/apis/clawspan-cloud/shardlink-control-plane-api/)
- [ShardLink MCP Server](https://apis.io/apis/clawspan-cloud/shardlink-mcp-server/)
- [SignalHub Gateway API](https://apis.io/apis/clawspan-cloud/signalhub-gateway-api/)

## Tags

A2A, Agent-Native

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/clawspan-cloud/shardlink-a2a-agent/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/clawspan-cloud/.