Why AISP

One protocol. Every AI agent.

AISP is the session layer that lets Claude, Codex, Gemini, n8n, and your own agents share memory, delegate tasks, and verify capabilities — without custom glue code.

Capability

AISP

MCP

OpenRouter

Webhooks

Bidirectional sessions

Native (NATS + WS + file)

Stdio + WebSocket

HTTP request/response only

One-shot HTTP

Capability tokens (macaroons)

Ed25519 caveats, scoped

Tool call allowlist

API key only

Bearer token only

Shared memory

JetStream KV (evidence-gated)

Per-session in-memory

Stateless

You build it

Atomic task checkout

Built-in distributed lock

Not provided

Not applicable

You build it

Cross-vendor agent interop

Claude, Codex, Gemini, n8n, custom

Anthropic-led, growing adoption

LLM models only, not agents

Per-vendor wiring

Self-hostable

Standalone daemon, single binary

SDK only, build your own server

SaaS

Yes — build it yourself

Pricing

$4/mo standalone, $9 bundle

Free (open spec)

5% markup over LLM cost

Free (you build it)

Install AISP

$4/mo standalone · $9 bundle (all 3 products) · 7-day trial