AI Agent Memory

AI agent memory is what lets an agent remember the current conversation, recall relevant facts it learned before, and keep working notes across a long task. agentFast ships memory as tiers, because a conversation buffer and a long-term knowledge store are genuinely different problems.

Four tiers + two compaction modes
AI agent memory: short-term buffer, long-term vector recall, episodic log and scratchpadFour memory tiers plus two compaction modes keep an agent's context coherent without blowing the window.short-term buffersession · recent turnslong-term factsuser-scoped · pgvector / Chromaepisodic logappend-only · across runsscratchpadfile-backed · long autonomous runscompactiontieredfor conversationsreset-artifactfor long autonomous runswired into LangGraph+ vanilla adaptersno embedder configured → graceful fallback to Postgres full-text search
Each tier does one job

Short-term buffer

The recent conversation, session-scoped — the working context of the current exchange.

Long-term facts

User-scoped facts for semantic recall, injected with a visible memory:recall trace step so you always see what was remembered and why.

Episodic log

An append-only record of what happened across runs, for audit and for the agent to reason over its own history.

Scratchpad tier

A file-backed working area for long autonomous runs that need to park intermediate artifacts.

Backends & context control

pgvector or Chroma

Long-term recall runs on pgvector in your Postgres by default, with a Chroma backend by config.

Graceful FTS fallback

With no embedder configured, retrieval degrades to Postgres full-text search — nothing hard-requires an embedding provider.

Two compaction modes

Tiered for conversations, reset-artifact for long autonomous runs — wired into both the LangGraph and vanilla adapters.

Point it at your knowledge base
Drop your docs into kb/ and they're ingested for grounded recall — the same path the SupportAgent uses to answer from your policies.

Memory pairs with observability (recalls are visible steps) and works on every SDK, including LangGraph and CrewAI.

Stop rebuilding the plumbing.

agentFast is the production layer — memory, 50 tools, observability, evals, guardrails, human-in-the-loop — for LangGraph, CrewAI, the Claude & OpenAI Agent SDKs & Vanilla. Own it for life.

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