Engraphy

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-09-18T02:11:03.057604Z",
      "publishedAt": "2026-09-18T02:11:03.057604Z",
      "statusChangedAt": "2026-09-18T02:11:03.057604Z"
    }
  },
  "server": {
    "name": "io.github.devon-clarkk/engraphy",
    "_meta": {
      "io.modelcontextprotocol.registry/publisher-provided": {
        "tech.engraphy": {
          "license": "BSL-1.1, converting to Apache-2.0 on 2030-08-22",
          "website": "https://engraphy.tech",
          "requires": "Postgres 16 with pgvector, and a bearer token issued by engraphy-admin",
          "adminImage": "ghcr.io/devon-clarkk/engraphy-admin",
          "toolReference": "https://github.com/devon-clarkk/engraphy/blob/main/docs/04-tools-reference.md",
          "deploymentGuide": "https://github.com/devon-clarkk/engraphy/blob/main/docs/05-deployment.md"
        }
      }
    },
    "title": "Engraphy",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "0.3.0",
    "packages": [
      {
        "transport": {
          "url": "http://localhost:8000/mcp/",
          "type": "streamable-http",
          "headers": [
            {
              "name": "Authorization",
              "isSecret": true,
              "isRequired": true,
              "description": "Bearer <token>, where the token is issued by `engraphy-admin token create` against the space the client is entitled to. Every request to /mcp/ carries it; an unauthenticated call is refused with HTTP 401."
            }
          ]
        },
        "identifier": "ghcr.io/devon-clarkk/engraphy:0.3.0",
        "registryType": "oci",
        "environmentVariables": [
          {
            "name": "ENGRAPHY_DATABASE_URL",
            "isSecret": true,
            "isRequired": true,
            "description": "libpq connection string for a Postgres 16 database with the pgvector extension, reached as the non-superuser `engraphy_app` role. Required: the server refuses to start without it, and refuses to start if the schema is behind (run `engraphy-admin migrate` first)."
          },
          {
            "name": "ENGRAPHY_BIND_HOST",
            "default": "127.0.0.1",
            "description": "Interface the server binds. Containers reach their own loopback only, so a published container sets 0.0.0.0 and puts the boundary at the port publication and the reverse proxy."
          },
          {
            "name": "ENGRAPHY_BIND_PORT",
            "format": "number",
            "default": "8000",
            "description": "Port the server binds inside the container, matching the port in the transport URL."
          }
        ]
      }
    ],
    "repository": {
      "id": "1342519094",
      "url": "https://github.com/devon-clarkk/engraphy",
      "source": "github"
    },
    "description": "Self-hosted MCP memory server: a typed knowledge graph on Postgres 16 and pgvector."
  }
}