Callosium
Rank #8,515io.github.callosium/callosium
One shared memory for every AI you use, in plain Markdown files you own.
Callosium is a Model Context Protocol (MCP) server published by callosium. It ranks #8,515 of 132,046 servers tracked on MCP Toplist, and its repository has 9 GitHub stars. Callosium is listed across 2 registries — Official MCP and Glama, with 1 tracked version. It was first listed on Jul 27, 2026 and most recently updated on Aug 4, 2026.
Ranks ahead of 123,531 of 132,046 servers on MCP Toplist.
Use Callosium
No credentials or required configuration declared — add it to your MCP client and go.
claude mcp add callosium -e "CALLOSIUM_MODEL_DIR=<your CALLOSIUM_MODEL_DIR>" -- npx -y callosium mcp --brain --agent --tokenReplace each placeholder with your own value before saving.
[mcp_servers.callosium]
command = "npx"
args = ["-y", "callosium", "mcp", "--brain", "--agent", "--token"]
[mcp_servers.callosium.env]
CALLOSIUM_MODEL_DIR = "<your CALLOSIUM_MODEL_DIR>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"callosium": {
"command": "npx",
"args": [
"-y",
"callosium",
"mcp",
"--brain",
"--agent",
"--token"
],
"env": {
"CALLOSIUM_MODEL_DIR": "<your CALLOSIUM_MODEL_DIR>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"callosium": {
"command": "npx",
"args": [
"-y",
"callosium",
"mcp",
"--brain",
"--agent",
"--token"
],
"env": {
"CALLOSIUM_MODEL_DIR": "<your CALLOSIUM_MODEL_DIR>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"callosium": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"callosium",
"mcp",
"--brain",
"--agent",
"--token"
],
"env": {
"CALLOSIUM_MODEL_DIR": "<your CALLOSIUM_MODEL_DIR>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"callosium": {
"command": "npx",
"args": [
"-y",
"callosium",
"mcp",
"--brain",
"--agent",
"--token"
],
"env": {
"CALLOSIUM_MODEL_DIR": "<your CALLOSIUM_MODEL_DIR>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"callosium": {
"command": "npx",
"args": [
"-y",
"callosium",
"mcp",
"--brain",
"--agent",
"--token"
],
"env": {
"CALLOSIUM_MODEL_DIR": "<your CALLOSIUM_MODEL_DIR>"
}
}
}
}Replace each placeholder with your own value before saving.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.callosium%2Fcallosium)<a href="https://mcptoplist.com/server/io.github.callosium%2Fcallosium"><img src="https://mcptoplist.com/badge/io.github.callosium%2Fcallosium.svg" alt="MCP Toplist: Top 10% of 132,046" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 2 registries
callosium
Available versions (1)
| Version | Published |
|---|---|
| 0.1.18 | Aug 4, 2026 |
Frequently asked questions
- Who maintains Callosium?
- Callosium is maintained by callosium, which publishes 1 MCP server (1 total version) tracked on MCP Toplist.
- Is Callosium listed on the Official MCP Registry?
- Yes — Callosium is listed on the Official MCP Registry, alongside Glama.
- How many versions does Callosium have?
- MCP Toplist tracks 1 version of Callosium, most recently published on Aug 4, 2026.
- Where can I find the source code for Callosium?
- The source code for Callosium is hosted at github.com/callosium/callosium.
Do you run this server?
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