bluecolumn-mcp

bluecolumnconsulting-lgtm/bluecolumn-mcp

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Install to Claude Code

This server doesn't publish a one-line install command. Follow the setup in the source repository.

Summary

Persistent semantic memory API for AI agents via BlueColumn.

README.md

bluecolumn-mcp

MCP server for BlueColumn — persistent semantic memory for AI agents.

Give any MCP-compatible agent (Claude Desktop, LangChain, AutoGen, CrewAI) the ability to remember, recall, and store observations across sessions.

Tools

| Tool | Description | |---|---| | remember | Ingest text, audio, or documents into persistent memory | | recall | Query memory with natural language, get AI-synthesized answer + sources | | note | Store lightweight agent observations as searchable vectors |

Setup

1. Get your BlueColumn API key

2. Install

npm install -g bluecolumn-mcp

3. Configure Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "bluecolumn": {
      "command": "bluecolumn-mcp",
      "env": {
        "BLUECOLUMN_API_KEY": "bc_live_YOUR_KEY"
      }
    }
  }
}

Restart Claude Desktop. Your agent now has persistent memory.

Usage

Once configured, your agent can:

Remember this: our API uses Voyage AI embeddings at 512 dimensions
→ Uses the `remember` tool automatically

What embedding model does our API use?
→ Uses the `recall` tool to query memory

Note: user prefers bullet points over paragraphs
→ Uses the `note` tool for quick observations

Example with LangChain

from langchain_mcp import MCPToolkit

toolkit = MCPToolkit(server_name="bluecolumn")
tools = toolkit.get_tools()
# Tools: remember, recall, note — all backed by BlueColumn

Pricing

| Plan | Price | Audio | Queries | |---|---|---|---| | Free | $0 | 60 min/mo | 100/mo | | Developer | $29/mo | 600 min | 2,000 | | Builder | $79/mo | 2,000 min | 8,000 | | Scale | $249/mo | 6,000 min | 20,000 |