Concord MCP
local MCP serverConcord MCP is a local MCP server: Cross-harness communication and shared work-state for AI coding agents. Install it from npm as @concord-ai/concord-mcp.
Installation
Terminal
claude mcp add concord-mcp -- npx -y @concord-ai/concord-mcp
Run in your project folder. Add --scope user to use it everywhere.
Claude Desktop, Cursor & other clients
Add to claude_desktop_config.json or .cursor/mcp.json.
{
"mcpServers": {
"concord-mcp": {
"command": "npx",
"args": [
"-y",
"@concord-ai/concord-mcp"
]
}
}
}What you need
- Runtime: Node.js 18+ (runs with npx).
- MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
Summary
Cross-harness communication and shared work-state for AI coding agents.
Concord MCP vs similar servers
| Server | Stars | Type | API key | Runtime |
|---|---|---|---|---|
| Concord MCP | 335 | Local | No | npm |
| continuum | 111 | Local | Yes | oci |
| Delimit — Keep the state. Change the model. | 24 | Local | No | npm |
| rag-rat | 20 | Local | No | npm |
| Repomix | 29K | Local | No | npm |
Questions
No. The registry entry lists no keys or environment variables.
Node.js 18+ (runs with npx), plus an MCP client such as Claude Code, Codex, Claude Desktop or Cursor.
Concord MCP is a local MCP server distributed as the npm package @concord-ai/concord-mcp.
Run: claude mcp add concord-mcp -- npx -y @concord-ai/concord-mcp
Run: codex mcp add concord-mcp -- npx -y @concord-ai/concord-mcp
Similar MCP servers
NameStars
- continuumio.github.pouyahasanamreji/continuum111
- Delimit — Keep the state. Change the model.io.github.delimit-ai/delimit-mcp-server24
- rag-ratio.github.cq27-dev/rag-rat20
- Repomixio.github.yamadashy/repomix29K
- Repowisedev.repowise/repowise7,071
- wigoloio.github.KnockOutEZ/wigolo5,418
- MATLAB MCP Serverio.github.matlab/matlab-mcp-server1,587
- ref-tools-mcpio.github.ref-tools/ref-tools-mcp1,176