Anto01 c49363fccc feat: atocore-mcp server for universal LLM consumption (Phase 1)
Stdlib-only Python stdio MCP server that wraps the AtoCore HTTP
API. Makes AtoCore available as built-in tools to every MCP-aware
client (Claude Desktop, Claude Code, Cursor, Zed, Windsurf).

7 tools exposed:
- atocore_context: full context pack (state + memories + chunks)
- atocore_search: semantic retrieval with scores + sources
- atocore_memory_list: filter active memories by project/type
- atocore_memory_create: propose a candidate memory
- atocore_project_state: query Trusted Project State by category
- atocore_projects: list registered projects + aliases
- atocore_health: service status check

Design choices:
- stdlib only (no mcp SDK dep) — AtoCore philosophy
- Thin HTTP passthrough — zero business logic, zero drift risk
- Fail-open: AtoCore unreachable returns graceful error, not crash
- Protocol MCP 2024-11-05 compatible

Registered in Claude Code: `claude mcp add atocore -- python ...`
Verified: ✓ Connected, all 7 tools exposed, context/search/state
return live data from Dalidou (sha=775960c8, vectors=33253).

This is the keystone for master brain vision: every Claude session
now has AtoCore available as built-in capability without the user
or agent having to remember to invoke it.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-16 20:08:20 -04:00

AtoCore

Personal context engine that enriches LLM interactions with durable memory, structured context, and project knowledge.

Quick Start

pip install -e .
uvicorn src.atocore.main:app --port 8100

Usage

# Ingest markdown files
curl -X POST http://localhost:8100/ingest \
  -H "Content-Type: application/json" \
  -d '{"path": "/path/to/notes"}'

# Build enriched context for a prompt
curl -X POST http://localhost:8100/context/build \
  -H "Content-Type: application/json" \
  -d '{"prompt": "What is the project status?", "project": "myproject"}'

# CLI ingestion
python scripts/ingest_folder.py --path /path/to/notes

# Live operator client
python scripts/atocore_client.py health
python scripts/atocore_client.py audit-query "gigabit" 5

API Endpoints

Method Path Description
POST /ingest Ingest markdown file or folder
POST /query Retrieve relevant chunks
POST /context/build Build full context pack
GET /health Health check
GET /debug/context Inspect last context pack

Architecture

FastAPI (port 8100)
  |- Ingestion: markdown -> parse -> chunk -> embed -> store
  |- Retrieval: query -> embed -> vector search -> rank
  |- Context Builder: retrieve -> boost -> budget -> format
  |- SQLite (documents, chunks, memories, projects, interactions)
  '- ChromaDB (vector embeddings)

Configuration

Set via environment variables (prefix ATOCORE_):

Variable Default Description
ATOCORE_DEBUG false Enable debug logging
ATOCORE_PORT 8100 Server port
ATOCORE_CHUNK_MAX_SIZE 800 Max chunk size (chars)
ATOCORE_CONTEXT_BUDGET 3000 Context pack budget (chars)
ATOCORE_EMBEDDING_MODEL paraphrase-multilingual-MiniLM-L12-v2 Embedding model

Testing

pip install -e ".[dev]"
pytest

Operations

  • scripts/atocore_client.py provides a live API client for project refresh, project-state inspection, and retrieval-quality audits.
  • docs/operations.md captures the current operational priority order: retrieval quality, Wave 2 trusted-operational ingestion, AtoDrive scoping, and restore validation.

Architecture Notes

Implementation-facing architecture notes live under docs/architecture/.

Current additions:

  • docs/architecture/engineering-knowledge-hybrid-architecture.md — 5-layer hybrid model
  • docs/architecture/engineering-ontology-v1.md — V1 object and relationship inventory
  • docs/architecture/engineering-query-catalog.md — 20 v1-required queries
  • docs/architecture/memory-vs-entities.md — canonical home split
  • docs/architecture/promotion-rules.md — Layer 0 to Layer 2 pipeline
  • docs/architecture/conflict-model.md — contradictory facts detection and resolution
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