context-fabrica

A governed memory layer built specifically for coding knowledge—giving agents durable recall, relation awareness, and evidence they can explain.

Hybrid retrieval, graph reasoning, temporal recall, provenance-backed synthesis, and policy controls in one composable library.

Getting Started | Architecture | Examples | Contributing | Releasing

The Problem

Flat vector memory fails autonomous coding agents. Without the ability to trace provenance, relate concepts across a codebase, or understand temporal validity, agents cannot distinguish between deeply vetted architectural rules and outdated drafts. Session recall isn't enough—agents need memory they can govern, trust, and safely update over time.

What context-fabrica Does

context-fabrica is a composable library that combines semantic retrieval, graph traversal, and temporal recall so agents can genuinely reason about their memory. By treating provenance, validity, curation stage, and supersession as first-class data rather than afterthought metadata, it enables agents to justify their answers rather than just retrieving vaguely similar text.

Query: "How does PaymentsService interact with LedgerAdapter?"

  Semantic score ──── 0.72  (embedding similarity + BM25 lexical boost)
  Graph score ─────── 0.85  (2-hop traversal: PaymentsService → depends_on → LedgerAdapter)
  Temporal score ──── 0.00  (not a time-scoped query)
  Recency score ───── 0.91  (ingested 3 hours ago)
  Confidence score ── 0.80  (from design-doc source)
                      ────
  Final score ─────── 0.66  (hybrid weighted fusion)
  Rationale: [semantic_match, graph_relation, recent, high_confidence]

Every query returns scored results with full breakdowns — your agents can reason about why a memory was relevant, not just that it was.

Perfect for Self-Learning & Self-Improving Agents

context-fabrica was designed to give coding agents the scaffolding they need to reason about their own growth and incrementally improve over time:

Observation Synthesis: Agents can piece together raw, disparate facts over time and explicitly synthesize them into foundational insights (e.g., "The auth framework in this repo is unstable around token refresh").
Memory Tiers & Promotion: "I saw something once" is not "This is a factual rule." Agents can log low-confidence observations in a staged tier. If the observation proves true repeatedly, it gets promoted to canonical or extracted as a reusable pattern applied to future tasks.
Supersession & Error Correction: When an agent realizes a past assumption was incorrect, it uses supersession chains (soft invalidation). This means it remembers both what it previously thought and why it updated its understanding, rather than destructively overwriting past knowledge.
Temporal Recall: Agents can explicitly time-scope memories to avoid confusing legacy system knowledge with the current state of a codebase.

Core vs Extensible

context-fabrica separates what is core (the retrieval model, memory semantics, and governance) from what is pluggable (storage backends, embedders, and entity extraction).

  ┌──────────────────────────────────────────────────────────┐
  │                      CORE (fixed)                        │
  │                                                          │
  │  HybridMemoryStore         Hybrid scoring formula         │
  │  KnowledgeRecord model     Memory tiers & promotion      │
  │  Validity windows          Provenance tracking           │
  │  Temporal recall           Namespace policies            │
  │  BM25 lexical index        Knowledge graph traversal     │
  └──────────────────────────────────────────────────────────┘
                          │
              ┌───────────┼───────────┐
              ▼           ▼           ▼
  ┌──────────────┐ ┌───────────┐ ┌──────────────┐
  │ RecordStore  │ │ Embedder  │ │ GraphStore   │
  │  (protocol)  │ │ (protocol)│ │  (protocol)  │
  └──────┬───────┘ └─────┬─────┘ └──────┬───────┘
         │               │              │
   ┌─────┴─────┐   ┌─────┴─────┐  ┌────┴─────┐
   │  SQLite   │   │   Hash    │  │   Kuzu   │
   │  Postgres │   │ FastEmbed │  │  Neo4j*  │
   │  Custom   │   │ Sentence  │  │  Custom  │
   └───────────┘   │ Transformr│  └──────────┘
                   │  Custom   │    * planned
                   └───────────┘

Core — the retrieval model, ranking formula, memory lifecycle, and governance primitives. These define what context-fabrica is and are not meant to be swapped out.

Extensible — storage backends, embedding providers, and graph stores are pluggable via Python protocols. Implement the interface, pass it in.

Storage Options

Pick the backend that matches your scale. No code changes needed — the HybridMemoryStore API is the same regardless of backend.

Backend	Dependencies	Server required?	Best for
SQLite (built-in)	None (stdlib)	No	Local dev, single-agent, getting started
Postgres + pgvector	`psycopg`, `pgvector`	Yes	Production, multi-agent, teams
Kuzu (optional add-on)	`kuzu`	No	Graph-heavy traversal at scale
Custom	You decide	You decide	Bring your own (LanceDB, DuckDB, etc.)

SQLite — zero setup, no server

pip install context-fabrica

from context_fabrica import HybridMemoryStore, SQLiteRecordStore

store = HybridMemoryStore(store=SQLiteRecordStore("./memory.db"))
store.bootstrap()

# Same API as Postgres — write, query, promote, search
store.write_text(record)
results = store.semantic_search(query_embedding, top_k=5)

SQLite stores records, chunks, embeddings, relations, and promotions in a single file. Semantic search uses brute-force cosine similarity — fast enough for local dev and single-agent workloads up to ~50k records.

Postgres + pgvector — production scale

pip install "context-fabrica[postgres,kuzu,fastembed]"

If you are working from a local clone instead of PyPI:

python -m pip install .
python -m pip install -r requirements-v2.txt

from context_fabrica import HybridMemoryStore, HybridStoreSettings, PostgresSettings, KuzuSettings

store = HybridMemoryStore(
    HybridStoreSettings(
        postgres=PostgresSettings(dsn="postgresql:///context_fabrica"),
        kuzu=KuzuSettings(path="./var/graph"),
    )
)
store.bootstrap()

Postgres handles records, chunks, HNSW-indexed vector search, validity windows, and provenance. Kuzu is optional — if you don't need multi-hop graph traversal at scale, skip it.

Postgres without Kuzu

from context_fabrica import HybridMemoryStore
from context_fabrica.storage.postgres import PostgresPgvectorAdapter

store = HybridMemoryStore(
    store=PostgresPgvectorAdapter(PostgresSettings(dsn="postgresql:///context_fabrica"))
)
store.bootstrap()
# No graph projection — relations still stored in Postgres, just no Kuzu traversal

Bring your own backend

Implement the RecordStore protocol and pass it in:

from context_fabrica.adapters import RecordStore

class MyLanceDBStore:
    """Implements RecordStore protocol."""
    def bootstrap(self) -> None: ...
    def upsert_record(self, record: KnowledgeRecord) -> None: ...
    def fetch_record(self, record_id: str) -> KnowledgeRecord | None: ...
    def replace_chunks(self, record_id: str, chunks: list) -> None: ...
    def replace_relations(self, record_id: str, relations: list) -> None: ...
    def record_promotion(self, source_id: str, target_id: str, reason: str, promoted_at: datetime) -> None: ...
    def semantic_search(self, query_embedding: list[float], *, domain: str | None, top_k: int) -> list[QueryResult]: ...
    def enqueue_projection(self, record_id: str) -> None: ...

store = HybridMemoryStore(store=MyLanceDBStore(), graph=MyGraphStore())  # graph is optional

Key Features

Feature	Description
Hybrid retrieval	Embedding cosine similarity + BM25 lexical boost + graph traversal, fused into one score
Temporal retrieval	Time-aware recall for queries like "what happened in June 2025?"
Knowledge graph	Entity-relation extraction with multi-hop traversal (configurable depth)
Curated memory tiers	`staged` (draft) -> `canonical` (reviewed) -> `pattern` (reusable)
Observation synthesis	Explicitly synthesize provenance-backed observation records from multiple facts
Soft invalidation	Validity windows (`valid_from`/`valid_to`) instead of hard deletes
Promotion provenance	Track when, why, and by whom records were promoted
Namespace policies	Per-namespace retrieval controls for hops, confidence floor, source allowlists, and reranking
Knowledge extraction	Built-in Python AST extractor (zero-dep); pluggable `Extractor` protocol for custom or third-party extractors
Caller-provided extraction	Pass your own entities and relations from an upstream LLM — or use built-in heuristics
Optional reranking	Add a second-stage reranker on top of hybrid or RRF retrieval when precision matters
Scoring modes	`hybrid` (default), `embedding`-only, `bm25`-only, or `rrf`
Pluggable storage	SQLite (built-in), Postgres + pgvector, or bring your own via `RecordStore` protocol
Pluggable embedders	HashEmbedder (zero-dep), FastEmbed, SentenceTransformers, or bring your own via `Embedder` protocol
Optional graph store	Kuzu ships as default, but graph projection is fully optional
Framework-agnostic	Not locked to LangChain, CrewAI, or any orchestrator

Quick Start

Install from PyPI:

python -m pip install "context-fabrica[postgres,kuzu,fastembed]"

Then bootstrap and verify:

context-fabrica-bootstrap --dsn "postgresql:///context_fabrica"
context-fabrica-doctor --dsn "postgresql:///context_fabrica"
context-fabrica-demo --dsn "postgresql:///context_fabrica" --project

from context_fabrica import HybridMemoryStore, NamespacePolicy, ScoringWeights, SQLiteRecordStore, TokenOverlapReranker
from context_fabrica.models import Relation

store = HybridMemoryStore(
    store=SQLiteRecordStore("./memory.db"),
    reranker=TokenOverlapReranker(),
    namespace_policies={
        "payments": NamespacePolicy(
            min_confidence=0.75,
            source_allowlist=("design-doc", "runbook"),
            rerank_top_n=5,
        )
    },
)
store.bootstrap()

# Ingest with automatic entity/relation extraction
store.ingest(
    "PaymentsService depends on LedgerAdapter and calls RiskGateway.",
    source="design-doc",
    domain="fintech",
    confidence=0.8,
)

# Or provide your own entities/relations (e.g. from an upstream LLM)
store.ingest(
    "The auth service validates tokens before routing to the API gateway.",
    source="architecture-review",
    domain="platform",
    confidence=0.9,
    entities=["auth_service", "api_gateway", "token_validator"],
    relations=[
        Relation("auth_service", "calls", "api_gateway"),
        Relation("auth_service", "uses", "token_validator"),
    ],
)

# Query with full score breakdown
results = store.query("How does PaymentsService interact with LedgerAdapter?", top_k=3)
for hit in results:
    print(f"{hit.record.record_id}  score={hit.score:.2f}  {hit.rationale}")

# Temporal recall — occurrence window is inferred from text
incident = store.ingest(
    "Quarterly incident review happened in June 2025.",
    source="incident",
    domain="platform",
    confidence=0.9,
    record_id="incident-june",
)
time_scoped = store.query("What happened in June 2025?", top_k=3)

# Observation synthesis — combine multiple facts into one provenance-backed record
store.ingest("AuthService depends on TokenSigner.", record_id="f1", confidence=0.8)
store.ingest("TokenSigner rotates keys daily.", record_id="f2", confidence=0.9)
observation = store.synthesize_observation(["f1", "f2"], record_id="obs-1")
assert observation.metadata["derived_from"] == ["f1", "f2"]

Architecture

                    +------------------+
                    |   Agent / CLI    |
                    +--------+---------+
                             |
                    +--------v---------+
                    | HybridMemoryStore |
                    | (unified engine)  |
                    +--------+---------+
                             |
         +----------+--------+--------+----------+
         |          |                 |           |
  +------v---+ +---v--------+ +-----v------+ +--v--------+
  | Embedding| | BM25       | | Knowledge  | | Temporal  |
  | (store)  | | (in-memory)| | Graph      | | Overlap   |
  +------+---+ +------------+ | (in-memory)| +--+--------+
         |                     +-----+------+    |
   SQLite or                  multi-hop BFS  occurrence
   pgvector                    with decay    windows

Scoring formula (default weights, normalized to sum to 1.0): 0.42 * semantic + 0.25 * graph + 0.15 * temporal + 0.10 * recency + 0.07 * confidence

Where semantic = 0.70 * embedding + 0.30 * BM25 in hybrid mode. Weights are always normalized at query time, so custom values don't need to sum to 1.0.

Temporal scoring is neutral unless the query or record carries time information.

Namespace Policies

Use namespace policies when one team or agent needs stricter retrieval than another without forking the engine:

from context_fabrica import HybridMemoryStore, NamespacePolicy, ScoringWeights, SQLiteRecordStore

store = HybridMemoryStore(
    store=SQLiteRecordStore("./memory.db"),
    namespace_policies={
        "production-ops": NamespacePolicy(
            weights=ScoringWeights(semantic=0.45, graph=0.25, temporal=0.25, recency=0.10, confidence=0.10),
            min_confidence=0.8,
            source_allowlist=("runbook", "incident", "design-doc"),
            default_hops=1,
            rerank_top_n=8,
        )
    }
)

Persistent Storage

  Agent
    |
    v
  HybridMemoryStore ─────── same API regardless of backend
    |
    ├── RecordStore (protocol)
    │     ├── SQLiteRecordStore     ← zero setup, single file
    │     ├── PostgresPgvectorAdapter ← production, HNSW indexing
    │     └── YourCustomAdapter     ← implement the protocol
    │
    └── GraphStore (protocol, optional)
          ├── KuzuGraphProjectionAdapter ← embedded graph
          └── YourCustomGraph            ← implement the protocol

When using Postgres, the projection worker uses LISTEN/NOTIFY for low-latency graph projection job pickup with polling fallback.

Memory Tiers

Not every agent output deserves canonical memory. context-fabrica models three tiers:

raw observation ──> staged ──> reviewed ──> canonical
repeated pattern ──> mined ──> pattern

Tier	Purpose	In default retrieval?
`staged`	Draft notes, low-confidence observations	No
`canonical`	Reviewed facts, trusted knowledge	Yes
`pattern`	Reusable templates and extracted patterns	Yes

# Low-confidence notes are auto-staged
draft = store.ingest("TODO: investigate flaky auth refresh", confidence=0.4)
assert draft.stage == "staged"  # excluded from default queries

# Promote after review
store.promote_record(draft.record_id)  # now canonical, queryable

Embedder Options

Embedder	Dimensions	Dependencies	Quality
`HashEmbedder` (default)	1536	None	Deterministic hashing, good for dev/testing
`FastEmbedEmbedder`	384	`fastembed`	Lightweight ML, good balance
`SentenceTransformerEmbedder`	384+	`sentence-transformers`	Production-quality semantic similarity

from context_fabrica import HybridMemoryStore, SQLiteRecordStore, SentenceTransformerEmbedder

# Production setup with real embeddings
store = HybridMemoryStore(
    store=SQLiteRecordStore("./memory.db"),
    embedder=SentenceTransformerEmbedder(),
    scoring="hybrid",
)
store.bootstrap()

Agent Platform Support

context-fabrica works with any MCP-compatible agent platform. One command sets up everything:

pip install context-fabrica
context-fabrica-install                      # auto-detects your platform
context-fabrica-install --platform codex     # or specify explicitly
context-fabrica-install --all                # install for all platforms

Platform	What gets created	Status
Claude Code	`.mcp.json` + `.claude/commands/` slash commands	Supported
Codex (OpenAI)	`AGENTS.md` + `~/.codex/config.toml` MCP config	Supported
OpenCode	`AGENTS.md` + `opencode.json` MCP config	Supported
OpenClaw	`AGENTS.md` + `~/.openclaw/config.json` MCP config	Supported
Factory Droid	`AGENTS.md` + `.factory/droids/context-fabrica.md`	Supported

All platforms use the same context-fabrica-mcp server over stdio. The installer writes the platform-specific config so the agent discovers the tools automatically.

MCP Server (Model Context Protocol)

The MCP server runs locally as a subprocess — no hosting required. It exposes 8 tools over JSON-RPC 2.0 via stdio.

You can also configure it manually if you prefer:

{
  "mcpServers": {
    "context-fabrica": {
      "command": "context-fabrica-mcp",
      "args": ["--db", "./memory.db", "--namespace", "myproject"]
    }
  }
}

Available tools:

Tool	Description
`remember`	Store a fact, observation, or insight in long-term memory
`recall`	Search memory for relevant knowledge with scored results
`synthesize`	Combine multiple facts into a provenance-backed observation
`promote`	Promote a staged draft memory to canonical status
`invalidate`	Soft-delete a memory that is no longer valid
`supersede`	Replace an existing memory with an updated version
`related`	Find graph-connected records to explore how concepts link together
`history`	Show the supersession chain — how a fact evolved over time

Once configured, your agent can use these tools directly:

Agent: "Let me check if I already know about the auth service architecture."
→ calls recall("auth service architecture")

Agent: "I learned that TokenSigner rotates keys daily. Let me remember that."
→ calls remember("TokenSigner rotates keys daily", source="code-review", confidence=0.9)

Claude Code Skills

If you're using Claude Code, context-fabrica includes slash commands that wrap the MCP tools:

Command	Description
`/remember <text>`	Store knowledge in memory
`/recall <query>`	Search memory for relevant facts
`/synthesize <ids or topic>`	Synthesize an observation from multiple facts
`/memory-status`	Overview of what's stored in memory

These commands are defined in .claude/commands/ and work automatically when the MCP server is configured.

Knowledge Extraction

context-fabrica can automatically extract knowledge from source code and ingest it into governed memory. Extracted knowledge is persisted, queryable with full multi-signal scoring, and evolves over time via supersession chains.

Built-in Python extractor

# Extract from a codebase into persistent memory
context-fabrica-extract ./src --db ./memory.db --namespace myproject

The built-in PythonASTExtractor uses the stdlib ast module (zero external dependencies) to extract:

Classes with inheritance, decorators, and methods
Functions with parameters, docstrings, and call targets
Import relationships
Call graphs (function A calls function B)

All extraction is deterministic and free — no LLM tokens consumed.

from context_fabrica import HybridMemoryStore, PythonASTExtractor, SQLiteRecordStore

store = HybridMemoryStore(store=SQLiteRecordStore("./memory.db"))
store.bootstrap()

# Extract and ingest — knowledge is persisted and queryable
records = store.extract_and_ingest("./src", PythonASTExtractor(), namespace="myproject")

# Agent queries the extracted knowledge with multi-signal scoring
results = store.query("How does AuthService use TokenSigner?", namespace="myproject", top_k=3)

Building a custom extractor

Implement the Extractor protocol to support any language, document format, or extraction strategy:

from pathlib import Path
from context_fabrica import Extractor, ExtractionResult
from context_fabrica.models import Relation

class TypeScriptExtractor:
    """Custom extractor for TypeScript projects."""

    def extract(self, path: Path) -> list[ExtractionResult]:
        results = []
        for ts_file in path.rglob("*.ts"):
            # Your extraction logic here (tree-sitter, regex, LLM, etc.)
            results.append(ExtractionResult(
                text="UserService handles authentication and session management.",
                source=str(ts_file),
                entities=["UserService", "SessionManager"],
                relations=[Relation("UserService", "depends_on", "SessionManager")],
                confidence=0.85,
                domain="auth",
                tags=["typescript", "ast-extracted"],
                metadata={"language": "typescript", "source_file": str(ts_file)},
            ))
        return results

# Use it exactly like the built-in extractor
store.extract_and_ingest("./src", TypeScriptExtractor(), namespace="frontend")

Using third-party extractors

Any tool that can produce ExtractionResult objects works. For example, a Graphify adapter:

import json
from pathlib import Path
from context_fabrica import ExtractionResult
from context_fabrica.models import Relation

class GraphifyAdapter:
    """Import knowledge from Graphify's graph.json output."""

    def extract(self, path: Path) -> list[ExtractionResult]:
        graph_data = json.loads((path / "graphify-out" / "graph.json").read_text())
        # Convert Graphify nodes/edges to ExtractionResults
        ...

CLI

# Install for your agent platform
context-fabrica-install                      # auto-detect
context-fabrica-install --platform codex     # explicit
context-fabrica-install --all                # all platforms

# Extract knowledge from source code
context-fabrica-extract ./src --db ./memory.db --namespace myproject

# Query from JSONL dataset
context-fabrica --dataset records.jsonl --query "How is TokenSigner connected?" --top-k 5

# MCP server (usually started by the client, but can run manually)
context-fabrica-mcp --db ./memory.db --namespace myproject

# Postgres operations
context-fabrica-bootstrap --dsn "postgresql:///context_fabrica"
context-fabrica-doctor --dsn "postgresql:///context_fabrica"
context-fabrica-demo --dsn "postgresql:///context_fabrica" --project

# Projection worker
context-fabrica-projector --once            # process pending jobs
context-fabrica-projector --status          # queue summary
context-fabrica-projector --retry-failed    # requeue failed jobs

# Project memory bootstrap
context-fabrica-project-memory bootstrap --root .

Where It Fits

Good fit:

Coding agents that need durable codebase/domain memory
Multi-agent systems that share a canonical knowledge layer
Orchestration systems wanting inspectable, auditable memory
Control-plane UIs that need evidence, freshness, and relation visibility

Not a fit:

Pure chatbot session memory
Replacement for your agent runtime/orchestrator
Generic BI or human-only knowledge portal

Governance Primitives

Primitive	Purpose
`valid_from` / `valid_to`	Temporal validity windows, enables as-of queries
`occurred_from` / `occurred_to`	Event-time windows for time-scoped recall
`invalidate_record()`	Soft deletion with reason tracking
`stage` / `kind`	Promotion routing and curated retrieval
`reviewed_at`	Promotion auditability
`confidence`	Trust prior in ranking
`source` / `metadata`	Provenance for policy gates
`namespace` / `NamespacePolicy`	Tenant isolation plus namespace-specific retrieval controls
`supersedes`	Record replacement chains

Project Structure

src/context_fabrica/
  models.py          # KnowledgeRecord, Relation, QueryResult (core)
  adapters.py        # RecordStore, GraphStore, Embedder, Reranker protocols (core)
  scoring.py         # ScoringPipeline: BM25 + graph + temporal + reranking (core)
  policy.py          # Memory tier routing and promotion (core)
  temporal.py        # Time-range extraction and temporal overlap scoring
  synthesis.py       # Provenance-backed observation synthesis
  reranking.py       # Optional second-stage rerankers
  mcp_server.py      # Zero-dependency MCP server over stdio
  entity.py          # Entity/relation extraction heuristics (core, bypassable)
  index.py           # BM25 lexical index (core)
  graph.py           # In-memory knowledge graph with BFS traversal (core)
  embedding.py       # Embedder adapters: Hash, FastEmbed, SentenceTransformer (pluggable)
  extract_cli.py     # CLI for knowledge extraction from source files
  install_cli.py     # Multi-platform installer (Claude Code, Codex, OpenCode, OpenClaw, Factory Droid)
  extractors/
    python_ast.py    # Built-in Python AST extractor (zero deps, stdlib only)
  storage/
    sqlite.py        # SQLite record store — zero deps (pluggable)
    postgres.py      # Postgres + pgvector adapter with LISTEN/NOTIFY (pluggable)
    kuzu.py          # Kuzu graph projection adapter (pluggable, optional)
    hybrid.py        # HybridMemoryStore — orchestrates any RecordStore + GraphStore
    projector.py     # Background projection worker
AGENTS.md            # Agent instructions for Codex, OpenCode, OpenClaw
.claude/commands/    # Claude Code slash commands (/remember, /recall, /synthesize, /memory-status)
.mcp.json            # MCP server configuration for Claude Code
.factory/droids/     # Factory Droid agent definition
tests/               # pytest suite, including live Postgres coverage
docs/                # Architecture docs and getting-started guide
examples/            # Runnable usage examples
sql/                 # Postgres bootstrap and smoke test SQL

Development

git clone https://github.com/TaskForest/context-fabrica.git
cd context-fabrica
python -m venv .venv && source .venv/bin/activate
pip install -r requirements-dev.txt
pytest

References

GraphRAG — pipeline architecture for graph-enhanced retrieval
Graphiti — hybrid retrieval with temporal edges
Neo4j GraphRAG — hybrid graph retriever
Mem0 — soft-invalidation patterns
Elasticsearch RRF — reciprocal rank fusion

License

MIT

Name		Name	Last commit message	Last commit date
Latest commit History 45 Commits
.claude/commands		.claude/commands
.factory/droids		.factory/droids
.github/workflows		.github/workflows
docs		docs
examples		examples
scripts		scripts
sql		sql
src		src
tests		tests
.gitignore		.gitignore
.mcp.json		.mcp.json
AGENTS.md		AGENTS.md
CHANGELOG.md		CHANGELOG.md
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE		LICENSE
MANIFEST.in		MANIFEST.in
README.md		README.md
RELEASING.md		RELEASING.md
pyproject.toml		pyproject.toml
pyrightconfig.json		pyrightconfig.json
requirements-dev.txt		requirements-dev.txt
requirements-v2.txt		requirements-v2.txt
sample.jsonl		sample.jsonl
setup.py		setup.py

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context-fabrica

The Problem

What context-fabrica Does

Perfect for Self-Learning & Self-Improving Agents

Core vs Extensible

Storage Options

SQLite — zero setup, no server

Postgres + pgvector — production scale

Postgres without Kuzu

Bring your own backend

Key Features

Quick Start

Architecture

Namespace Policies

Persistent Storage

Memory Tiers

Embedder Options

Agent Platform Support

MCP Server (Model Context Protocol)

Claude Code Skills

Knowledge Extraction

Built-in Python extractor

Building a custom extractor

Using third-party extractors

CLI

Where It Fits

Governance Primitives

Project Structure

Development

References

License

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