Developer Tools

nucleusos.dev

Tools for managing and coordinating agents in the Nucleus Agent OS, including governance, task tracking, session control, and sync.

1 endpoint28 known toolsFirst detected July 25, 2026Last detected August 29, 2026

ENDPOINT 1

https://relay.nucleusos.dev/mcp

No auth detected

MCP server metadata

Name: Nucleus Brain
Version: 3.4.4

Capabilities

experimentalloggingprompts.listChangedresources.listChangedtools.listChangedextensions.io.modelcontextprotocol/ui

Known tools 28

nucleus_governance

Governance, Hypervisor & security tools for the Nucleus Agent OS.

Inferred read-only

nucleus_features

Feature tracking, proof generation & MCP server mounting.

Inferred read-only

nucleus_sessions

Session management, events, state & checkpoint tools.

Inferred read-only

nucleus_tasks

Task management, depth tracking & ADHD context-switch tools.

Inferred read-only

nucleus_sync

Sync, artifact, trigger & deploy management for multi-agent coordination.

Inferred read-only

nucleus_next_message

Get the next unread relay message.

Potential side effects

nucleus_relay_subscribe

Long-poll subscription that pushes ctx.

Inferred read-only

nucleus_ccr_arm

One-shot convenience: resolve canonical inbox + arm long-poll subscription.

Inferred read-only

nucleus_wakeup_wait

Quick scan for a PENDING task.

Inferred read-only

nucleus_orchestration

Satellite view, commitments, loops, patterns & metrics.

Inferred read-only

nucleus_telemetry

LLM tiers, telemetry, PEFS notifications & protocol tools.

Inferred read-only

nucleus_slots

Orchestration slots, sprints & mission management.

Inferred read-only

nucleus_infra

Infrastructure: file changes, cloud, marketing & strategy tools.

Inferred read-only

nucleus_agents

Agent spawning, critic, swarm, memory, ingestion & dashboard tools.

Inferred read-only

nucleus_federation

Federation management for multi-brain coordination.

Inferred read-only

nucleus_engrams

Engrams, health, observability, DSoR & tier system tools.

Inferred read-only

nucleus_relay

Relay-substrate facade — post / read / ack / status.

Potential side effects

nucleus_route

W5 tier routing — route a prompt to the optimal model tier.

Inferred read-only

nucleus_audit

W8 Team-tier tamper-evident audit log (SHA-256 hash chain).

Inferred read-only

nucleus_delegate

Hand a coding or review task to a cross-vendor lane — a cheap, non-Claude agent that does the work for you.

Inferred read-only

nucleus_lane_init

Set up an autonomous task-execution loop in a git repo.

Inferred read-only

nucleus_lane_start

Start autonomous lane daemons (watcher + executor + secretary) in background.

Inferred read-only

nucleus_lane_stop

Stop all running lane daemons.

Inferred read-only

nucleus_lane_status

Check lane status: task counts (PENDING/IN_PROGRESS/DONE/CONFIRMED), daemon health, spec verification.

Inferred read-only

nucleus_lane_feedback

Report friction/bugs/enhancements to the nucleus team.

Inferred read-only

nucleus_plan_execute

Execute a plan file autonomously.

Potential side effects

nucleus_plan_import

Import a plan file as PENDING tasks without starting a mission.

Inferred read-only

nucleus_plan_list

List available plan files in .

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.nucleus-brain]
url = "https://relay.nucleusos.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "nucleus-brain": {
      "type": "http",
      "url": "https://relay.nucleusos.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: nucleus-brain
Remote MCP URL: https://relay.nucleusos.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "nucleus-brain": {
      "url": "https://relay.nucleusos.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "nucleus-brain": {
      "type": "http",
      "url": "https://relay.nucleusos.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "nucleus-brain",
  "transport": "streamable-http",
  "url": "https://relay.nucleusos.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Trust Data Available

BuiltWith Trust API v2 evidence for nucleusos.dev was fetched 2026-08-28T20:46:09.197Z.

Trust status Neutral

nucleusos.dev is assessed as Neutral: No suspicious signals found, but no strong positive signal either

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.