Embedded memory for AI agents with SQLite FTS5, pgvector, and Neo4j graph search.
Embedded memory for AI agents with SQLite FTS5, pgvector, and Neo4j graph search.
Full-context replay re-reads the whole conversation every turn — input tokens that grow O(n²) and a bill that compounds with every session. Attestor retrieves only what's needed: flat ~200 tokens per call, 21× fewer input tokens by turn 100, 100% recall — measured across six models, open and closed.
Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| t24 | growing |
| t50 | growing |
| t100 | 8,709 tok/call |
{
"mcpServers": {
"memwright": {
"command": "uvx",
"args": ["attestor"],
"env": {
"OPENROUTER_API_KEY": "your-value",
"PINECONE_API_KEY": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| OPENROUTER_API_KEY | Credential the server authenticates with. | Yes |
| PINECONE_API_KEY | Credential the server authenticates with. | Yes |
Inspect PostgreSQL schemas and run read-only queries with the archived MCP reference server. Review its maintenance status before choosing it.
Connect the Notion MCP server to search workspace content and work with pages and databases through Notion’s hosted OAuth service.
Use the Supabase MCP server to inspect database schemas, query project data and retrieve docs through a project-scoped connection.
Query, modify and analyse local SQLite databases in conversation — the fastest way to chat with a data file.
Metabase ships its own MCP endpoint — search your BI content, build and run queries, and save questions and dashboards without leaving the chat.
Official MongoDB server covering data, schemas and Atlas management — from find queries to spinning up clusters.