# Memory

> Use this tool when you need to store and manage complex knowledge representations with persistent semantic memory and entity relationships. It solves problems related to conversational context, knowledge retrieval, and entity disambiguation through vector similarity search and keyword matching. With inputs of text data and outputs of relevant knowledge graph entities, use it in applications requiring advanced knowledge management and retrieval capabilities.

Canonical page: https://skillsregistry.net/skills/calvin-francis-memory  
JSON: https://api.skillsregistry.net/v1/skills/calvin-francis-memory

## Description

Provides persistent semantic memory and knowledge graph capabilities through PostgreSQL with pgvector for vector similarity search using Aliyun's text-embedding-v3 model. Features traditional memory storage with confidence scoring and decay algorithms, plus a bidirectional knowledge graph for entity relationships. Includes LRU caching for embeddings, hybrid search combining vector and keyword matching, memory access tracking, and comprehensive audit logging for persistent conversational context and complex knowledge representation.

## Trust

- **Trust score (0–1):** 0.86
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-19

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/calvin-francis-memory)
- **Repository:** <https://github.com/calvin-francis/memory-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "calvin-francis-memory"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/calvin-francis-memory` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/calvin-francis-memory/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt