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conexus

Self-hosted three-tier knowledge management with plan-centric retrieval (nx_answer), specialized agents, semantic search, and RDR decision tracking for Claude Code.

Publisher marketplaceconexus@nexus-plugins · marketplace and plugin share one repository (hellblazer/nexus)

npx claudepluginhub hellblazer/nexus --plugin conexus

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Med: 0·Avg: 878

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Med: 0·Avg: 2

What's Inside

Slash Commands26

Codebase Analysis Request

/analyze-code

Analyze codebase using codebase-deep-analyzer agent

Architecture Request

/architecture

Design architecture and create phased execution plans using architect-planner agent

Continuation prompt builder

/continuation

Generates a handoff document under `/tmp/` that a future Claude Code session can read to pick up cold. Stores under `/tmp` (purged on reboot by macOS) so we don't accumulate stale handoffs in `~/.cache`. The chat response is one literal line: `cat <Target file>`. The user copies that line (mouse-select + cmd-C, or whatever their terminal supports), runs `/clear`, pastes, hits return. The new session reads the handoff and resumes.

Planning Request

/create-plan

Create implementation plan using strategic-planner agent

Debug Request

/debug

Debug test failures using debugger agent

Agents18

Shared Context Protocol for Agents

/CONTEXT_PROTOCOL

This file documents the standard context exchange protocol used by all agents for consistent relays, context recovery, and knowledge management.

Shared Error Handling Patterns

/ERROR_HANDLING

This file documents common error handling patterns for agents.

Agent Maintenance Guide

/MAINTENANCE

- **Context Protocol**: All agents reference `_shared/CONTEXT_PROTOCOL.md`

developer

/developer

Executes development tasks using test-first methodology including feature implementation and refactoring. Use proactively for implementing features from specifications or executing architectural plans.

Shared Agent Resources

/README

This directory contains shared resources used across multiple agents.

Skills45

analyze

/analyze

Use when synthesising across prose and code corpora or ranking candidates by a criterion — tries the analyze plan library first (search prose + code → reference-chain traversal → rank → generate), falls through to /conexus:query if nothing matches

architecture

/architecture

Use when complex features need architectural design before implementation, or when system design decisions span multiple modules

brainstorming-gate

/brainstorming-gate

Use when about to implement any feature, build any component, or make any behavioral change — requires design exploration and user approval before implementation

catalog

/catalog

Use when working with catalog entries, resolving tumblers, creating links, understanding what's linked to a file, or seeding link context for the auto-linker. Covers resolve, link, context, and seed operations.

cli-controller

/cli-controller

Use when controlling interactive CLI applications, debugging with pdb/gdb/jshell, spawning Claude Code instances, or working with REPLs and long-running processes

Hooks1

Event Hooks

Bash

File writes

20 hooks across 10 events

MCP Servers3

sequential-thinking

nexus

nexus-catalog

Stats

Version6.13.1

ReleasedJul 19, 2026

LanguagePython

Stars4

MaintenanceExcellent

LicenseAGPL-3.0-or-later

Last CommitJul 18, 2026

AddedJul 18, 2026

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Available In

nexus-plugins4

Safety Signals

Caution

Executes bash commands

Hook triggers when Bash tool is used

Modifies files

Hook triggers on file write and edit operations

Uses power tools

README

Nexus

Persistent memory and semantic search for Claude. Three storage tiers that survive across sessions, an event-sourced document catalog with typed links, and a specification-before-code workflow for tracking decisions. Local-first; no API keys required. Knowledge compounds across conversations instead of evaporating when the window closes.

A brass-ribbed crystal dome on a hilltop at dusk

Start here: How I actually use Nexus — the conceptual overview and the shape of the substrate. Then Installing Nexus — a ten-minute hands-on walkthrough from uv tool install through your first search.

Prerequisites

Python 3.12+, uv, git. For hybrid search, ripgrep. For the Claude Code plugin, Node.js (the bundled sequential-thinking and context7 servers spawn via npx).

Install for Claude

Three surfaces share one host substrate: the nx CLI (the conexus package). Claude Desktop's .mcpb bundles it and resolves it on first launch; the Claude Code plugin and Cowork use a separately-installed CLI (uv tool install conexus). Pick the one that matches how you use Claude.

Claude Desktop chat

Download conexus.mcpb from the latest release and double-click. Claude Desktop registers it under Settings → Connectors. Requires uv installed on the host (the standard installer or Homebrew puts it where Claude Desktop resolves it — no PATH setup needed); deps resolve on first launch (~20s).

Claude Code (terminal)

uv tool install conexus                  # 1. the nx CLI (the plugin's MCP servers ARE this package)
/plugin marketplace add Hellblazer/nexus # 2. add the marketplace
/plugin install conexus@nexus-plugins    # 3. install the plugin

The plugin's MCP servers (nx-mcp, nx-mcp-catalog) are console-scripts from the conexus package, so the nx CLI must be installed too: /plugin install alone leaves the servers unable to launch. Install the CLI first (step 1; see CLI quick-start to then provision the storage backend).

The plugin ships 13 specialized agents, 45 skills (RDR lifecycle, plan-centric retrieval, dev workflows), and 48 MCP tools split across two focused servers. Session hooks load project context at startup.

Claude Cowork

Works automatically once the conexus plugin is installed in Claude Code on the host. State round-trips bidirectionally with the host CLI through the T2 daemon.

For the full deployment story across all three surfaces (install, daemon lifecycle, drift detection, uninstall), see docs/desktop-deployment.md.

What it does

View full README on GitHub

conexus

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README

Nexus

Prerequisites

Install for Claude

Claude Desktop chat

Claude Code (terminal)

Claude Cowork

What it does

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Prerequisites

Install for Claude

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Claude Code (terminal)

Claude Cowork

What it does

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