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Agent Lsp MCP Server

local only

Agent Lsp runs on your own machine — the client starts it, so there is no endpoint to ping. 1 474 installs a week from npm. Last commit 31 Oct 2026.

Orchestrates language servers into 65 code-intelligence tools across 32 languages, token-optimized.

Installs per day peak 549 · avg 96 · +788% w/w
a month agotoday
1 474
Installs / week
npm · @blackwell-systems/agent-lsp
166
Stars
3 open issues
31 Oct 2026
Last commit
16 releases in 90 days
MIT
License
Go

What the code does

We read the source, 1 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

    cacheDir := filepath.Join(home, ".agent-lsp", "cache", dirName)
Runs an external command pypi/agent_lsp/__main__.py:29
    result = subprocess.run([binary] + sys.argv[1:])
Builds a database query by concatenation internal/lsp/client.go:894
        select {
        case <-time.After(time.Until(deadline) + time.Millisecond):

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add agent-lsp -- npx -y @blackwell-systems/agent-lsp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "agent-lsp": {
      "command": "npx",
      "args": [
        "-y",
        "@blackwell-systems/agent-lsp"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.agent-lsp]
command = "npx"
args = ["-y", "@blackwell-systems/agent-lsp"]
.cursor/mcp.json
{
  "mcpServers": {
    "agent-lsp": {
      "command": "npx",
      "args": [
        "-y",
        "@blackwell-systems/agent-lsp"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "agent-lsp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@blackwell-systems/agent-lsp"
      ]
    }
  }
}

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Agent Lsp — questions

Answers built from our own checks of this server.

Why is there no uptime for Agent Lsp?
Agent Lsp runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @blackwell-systems/agent-lsp was installed 1 474 times last week.
How do I connect Agent Lsp?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls @blackwell-systems/agent-lsp straight from npm; nothing to host, nothing to sign up for.
How many people use Agent Lsp?
The npm package @blackwell-systems/agent-lsp was installed 1 474 times in the last week. Week over week that is +788%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Agent Lsp open source?
Yes — it is published under the MIT licence, written in Go, 166 stars on GitHub and 3 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.