# Nefesh Human State Agent (A2A)

**Canonical:** https://apis.io/apis/nefesh-ai/nefesh-human-state-agent-a2a/  
**Provider:** Nefesh AI — https://apis.io/providers/nefesh-ai/  
**Base URL:** https://mcp.nefesh.ai/a2a  
**Documentation:** https://nefesh.ai/docs/a2a

Nefesh Human State Agent (A2A) is one of 4 APIs that [Nefesh AI](https://apis.io/providers/nefesh-ai/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include A2A, AI Agents, and Human State. The published artifact set on APIs.io includes API documentation.

A2A agent served from the MCP host: card at https://mcp.nefesh.ai/.well-known/agent-card.json, JSON-RPC 2.0 endpoint at POST https://mcp.nefesh.ai/a2a supporting message/send, message/sendStream, tasks/get and tasks/cancel. Four skills — get-human-state, ingest-signals, get-trigger-memory, get-session-history — the same capability set as the MCP tools. Authentication is X-Nefesh-Key or Authorization: Bearer; an unauthenticated message/send returns a completed Task whose artifact carries the auth error rather than a JSON-RPC error. The card is 0.2-era in shape (schemaVersion/agentVersion/authSchemes, no protocolVersion) and grades flavored against A2A 1.0.0.

## Machine-readable artifacts (4)

- **AgentCard** — https://raw.githubusercontent.com/api-evangelist/nefesh-ai/refs/heads/main/a2a/nefesh-ai-a2a.yml
- **AgentCard** — https://mcp.nefesh.ai/.well-known/agent-card.json
- **Documentation** — https://nefesh.ai/docs/a2a
- **SourceCode** — https://github.com/nefesh-ai/nefesh-a2a

## Other Nefesh AI APIs (3)

- [Nefesh Human State API](https://apis.io/apis/nefesh-ai/nefesh-human-state-api/)
- [Nefesh Cognitive Compute Router](https://apis.io/apis/nefesh-ai/nefesh-cognitive-compute-router/)
- [Nefesh MCP Server](https://apis.io/apis/nefesh-ai/nefesh-mcp-server/)

## Tags

A2A, AI Agents, Human State

---

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