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Agent Memory & RAG

Ogham MCP

Ogham MCP is a Python-based Model Context Protocol server that stores and retrieves persistent, searchable shared memory for AI coding agents across sessions and compatible clients. It uses hybrid search and a typed-edge graph, with a connected language model reading retrieved results.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Ogham MCP — OpenViST project profile in Agent Memory & RAG.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when coding-agent context needs to persist across sessions or be shared across clients, and you can provide a database and embedding provider.

Who it is for

  • Developers who want coding-agent context to persist between sessions.
  • Teams or workflows that use multiple MCP-compatible coding-agent clients and want them to share a database-backed memory.

Documented uses

  • Preserve project decisions, codebase context and recurring gotchas between coding sessions.
  • Retrieve saved agent context from a different connected client.
  • Search for relationships between remembered facts using structured retrieval.
Before you choose

Requirements & limits

The repository identifies the project as open source under the MIT license.

  • A database is required; documented choices include Supabase and Neon, plus self-hosted Postgres.
  • An embedding provider must be selected; examples include OpenAI, Ollama, Mistral and Voyage.
  • The default stdio mode starts a server process per MCP client; Streamable HTTP is documented for multiple agents sharing one instance.
  • The repository describes hybrid search and a typed-edge graph alongside vector search.
  • The project documents Docker distribution and Python 3.13+ support.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Set up Ogham MCP with the initialization wizard

Connect a database and embedding provider, then prepare Ogham's MCP client configuration.

Before you start

  • A Supabase project or Neon database; self-hosted Postgres is also supported with the Postgres extra.
  • An embedding provider and its credentials.
  • For Neon or self-hosted Postgres, install the postgres extra.

Steps

  1. Run uvx --from ogham-mcp ogham init; for Neon or self-hosted Postgres, use uvx --from 'ogham-mcp[postgres]' ogham init.

  2. Follow the wizard to connect the database, choose an embedding provider and apply the schema migration.

  3. Use the generated client configuration; for Claude Code the wizard runs claude mcp add, while for other clients it prints a configuration snippet.

Expected outcome

The database is prepared and the MCP client configuration is written or provided. The README describes then asking an agent to save a memory and retrieve it later, including from another client sharing the database.

Guide limitations

  • This guide covers wizard setup; actual agent use depends on configuring and connecting a compatible MCP client.
  • The database and embedding provider are prerequisites, not included as Ogham services.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
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Sources checked
14 October 2026
Original website title
ogham-mcp/ogham-mcp · Official homepage title · retained in its source language
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