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Nexo

Cognitive memory for AI agents.

Connector by wazionapps · GitHub account verified by the MCP Registry

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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/wazionapps-nexo

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Cognitive memory for AI agents. Atkinson-Shiffrin, RAG, knowledge graph. 100+ tools.

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
15 read · 19 write · 6 delete · 5 not yet classified
Secrets
None asked for
Install scripts
Not scanned yet
Runs as
Node.js package

Tools by what they do 45

Read from the source code; the running server may list different tools.

Read 15 · Look things up without changing anything.

  • nexo_answer
  • nexo_ask
  • nexo_check_answer
  • nexo_checkpoint_read
  • nexo_credential_get
  • nexo_credential_list
  • nexo_files
  • nexo_index_dirs
  • nexo_learning_list
  • nexo_learning_search
  • nexo_plugin_list
  • nexo_reminders
Show 3 more tools
  • nexo_status
  • nexo_task_frequency
  • nexo_task_list

Write 19 · Create, change, send or run things.

  • nexo_checkpoint_save
  • nexo_context_packet
  • nexo_credential_create
  • nexo_credential_update
  • nexo_followup_complete
  • nexo_followup_create
  • nexo_followup_update
  • nexo_heartbeat
  • nexo_index_add_dir
  • nexo_learning_add
  • nexo_learning_update
  • nexo_reminder_complete
Show 7 more tools
  • nexo_reminder_create
  • nexo_reminder_update
  • nexo_send
  • nexo_startup
  • nexo_stop
  • nexo_task_log
  • nexo_untrack

Delete 6 · Delete, drop, revoke or wipe things.

  • nexo_credential_delete
  • nexo_followup_delete
  • nexo_index_remove_dir
  • nexo_learning_delete
  • nexo_plugin_remove
  • nexo_reminder_delete

Not yet classified 5 · We could not tell from the name and description.

  • nexo_menu
  • nexo_plugin_load
  • nexo_reindex
  • nexo_smart_startup
  • nexo_track

Files it touches

  • Any path the agent passes to its tools

Tools (45)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • nexo_answer

    Answer a pending question from another session. Args: qid: The question ID shown in heartbeat output. answer: Your response.

  • nexo_ask

    Ask a question to another session (they see it on next heartbeat). Args: from_sid: Your session ID. to_sid: Target session ID. question: The question text. Returns: Question ID (qid) for checking the answer later.

  • nexo_check_answer

    Check if a question has been answered. Args: qid: The question ID from nexo_ask.

  • nexo_checkpoint_read

    Read the latest session checkpoint. Used by PostCompact hook and for manual recovery. Args: sid: Session ID. If empty, returns the most recent checkpoint from any session.

  • nexo_checkpoint_save

    Save a session checkpoint for auto-compaction continuity. Call this BEFORE context compaction to preserve session state. The PostCompact hook reads this checkpoint and re-injects it as a Core Memory Block, so the session continues seamlessly. Args: sid: Session ID. task: Current task description. task_status: One of 'active', 'investigating', 'fixing', 'deploying', 'blocked'. active_files: JSON array of file paths currently being worked on. current_goal: What you're trying to achieve right now (1-2 sentences). decisions_summary: Recent decisions with brief reasoning (…

  • nexo_context_packet

    Build a context packet for subagent injection. Returns learnings + changes + followups + preferences + cognitive memories for a specific area. MUST call before delegating ANY task to a subagent. Inject the result into the subagent's prompt. Args: area: Project/area name (e.g., 'project-a', 'shopify', 'meta-ads', 'project-b', 'nexo', 'infrastructure'). files: Optional comma-separated file paths for additional context.

  • nexo_credential_create

    Store a new credential. Args: service: Service name (e.g., google-ads, cloudflare). key: Key name (e.g., api_key, token, ssh). value: The secret value. notes: Description or context (optional).

  • nexo_credential_delete

    Delete credential(s). If no key, deletes all for the service. Args: service: Service name. key: Specific key (optional). If empty, deletes ALL for service.

  • nexo_credential_get

    Get credential value(s) for a service. Args: service: Service name (e.g., google-ads, meta-ads, shopify). key: Specific key (optional). If empty, returns all for the service.

  • nexo_credential_list

    List credentials (names and notes only, no values). Args: service: Filter by service (optional). If empty, shows all.

  • nexo_credential_update

    Update a credential's value and/or notes. Args: service: Service name. key: Key name. value: New value (optional). notes: New notes (optional).

  • nexo_files

    Show all tracked files across all active sessions with conflict detection.

  • nexo_followup_complete

    Mark a followup as COMPLETADO. Appends result to verification field. Args: id: Followup ID (e.g., NF45). result: What was found/done (optional).

  • nexo_followup_create

    Create a new NEXO followup (autonomous task). Args: id: Unique ID starting with 'NF' (e.g., NF-MCP2). description: What to verify/do. date: Target date YYYY-MM-DD (optional). verification: How to verify completion (optional). reasoning: WHY this followup exists — what decision/context led to it (optional). recurrence: Auto-regenerate pattern (optional). Formats: 'weekly:monday', 'monthly:1', 'monthly:15', 'quarterly'. When completed, a new followup is auto-created with the next date. The completed one is archived with date suffix.

  • nexo_followup_delete

    Delete a followup permanently. Args: id: Followup ID (e.g., NF45).

Show 30 more tools
  • nexo_followup_update

    Update fields of an existing followup. Only non-empty fields are changed. Args: id: Followup ID (e.g., NF45). description: New description (optional). date: New date YYYY-MM-DD (optional). verification: New verification text (optional). status: New status (optional).

  • nexo_heartbeat

    Update session task, check inbox and pending questions. Auto-detects trust events. Call this at the START of every user interaction (before doing work). Args: sid: Your session ID from nexo_startup. task: Brief description of current work (5-10 words). context_hint: Last 2-3 sentences from the user or current topic. Used for sentiment detection, trust auto-scoring, and mid-session RAG. ALWAYS provide this for best results.

  • nexo_index_add_dir

    Register a new directory for FTS5 search indexing. Survives restarts. Args: path: Absolute path to directory (supports ~). dir_type: 'code' for source files, 'md' for markdown docs. patterns: Comma-separated glob patterns (only for code type). notes: Description of what this directory contains.

  • nexo_index_dirs

    List all directories being indexed by FTS5 (builtin + dynamic).

  • nexo_index_remove_dir

    Remove a directory from FTS5 indexing and clean up its entries. Args: path: Path to directory to remove.

  • nexo_learning_add

    Add a new learning (resolved error, pattern, gotcha). Args: category: One of: nexo-ops, google-ads, meta-ads, google-analytics, shopify, my-project, cloud-sql, infrastructure, security, brain-engine. title: Short title for the learning. content: Full description with context and solution. reasoning: WHY this matters — what led to discovering this (optional).

  • nexo_learning_delete

    Delete a learning entry. Args: id: Learning ID number.

  • nexo_learning_list

    List all learnings, grouped by category. Args: category: Filter by category (optional). If empty, shows all grouped.

  • nexo_learning_search

    Search learnings by keyword. Searches title and content. Args: query: Search term. category: Filter by category (optional).

  • nexo_learning_update

    Update a learning entry. Only non-empty fields are changed. Args: id: Learning ID number. title: New title (optional). content: New content (optional). category: New category (optional).

  • nexo_menu

    Generate the NEXO operations center menu with alerts and active sessions. Shows: date, due alerts, all menu items by category, active sessions. Uses box-drawing characters for formatting.

  • nexo_plugin_list

    List all loaded plugins and their tools.

  • nexo_plugin_load

    Load or reload a plugin from the plugins/ directory. Args: filename: Plugin filename (e.g., 'entities.py').

  • nexo_plugin_remove

    Remove a plugin: unregister its tools and delete the file. Args: filename: Plugin filename (e.g., 'entities.py').

  • nexo_reindex

    Force full rebuild of the FTS5 search index. Use after bulk changes or if search seems stale.

  • nexo_reminder_complete

    Mark a reminder as COMPLETADO with today's date. Args: id: Reminder ID (e.g., R87).

  • nexo_reminder_create

    Create a new reminder for user. Args: id: Unique ID starting with 'R' (e.g., R90). description: What needs to be done. date: Target date YYYY-MM-DD (optional). category: One of: decisiones, tareas, esperando, ideas, general.

  • nexo_reminder_delete

    Delete a reminder permanently. Args: id: Reminder ID (e.g., R87).

  • nexo_reminder_update

    Update fields of an existing reminder. Only non-empty fields are changed. Args: id: Reminder ID (e.g., R87). description: New description (optional). date: New date YYYY-MM-DD (optional). status: New status (optional). category: New category (optional).

  • nexo_reminders

    Check reminders and followups. Args: filter: 'due' (vencidos/hoy), 'all' (todos activos), 'followups' (solo NEXO followups)

  • nexo_send

    Send a fire-and-forget message to another session or broadcast. Args: from_sid: Your session ID. to_sid: Target session ID, or 'all' for broadcast. text: Message content.

  • nexo_smart_startup

    Pre-load relevant cognitive memories based on pending followups, due reminders, and last session topics. Call during startup (after nexo_startup) to ensure the session starts with the right context loaded. Returns up to 10 memories matching the current operational state.

  • nexo_startup

    Register new session, clean stale ones, return active sessions + alerts. Call this ONCE at the start of every conversation. Returns the session ID (SID) — store it for use in all other nexo_ tools. Args: task: Initial task description. claude_session_id: The Claude Code session UUID (from session-briefing or hook). Pass this to enable automatic inter-terminal inbox detection.

  • nexo_status

    List active sessions. Filter by keyword if provided.

  • nexo_stop

    Cleanly close a session. Removes it from active sessions immediately. Call this when ending a conversation to avoid ghost sessions. Args: sid: Session ID to close.

  • nexo_task_frequency

    Check which operational tasks are overdue based on their frequency. Compares last execution date vs configured frequency. Returns overdue tasks or 'all tasks up to date'.

  • nexo_task_list

    Show execution history for operational tasks. Args: task_num: Filter by task number (optional). days: How many days back to show (default 30).

  • nexo_task_log

    Record that an operational task was executed. Args: task_num: Task number from the checklist (e.g., '7', '7b'). task_name: Task name (e.g., 'Google Ads'). notes: Execution summary (optional). reasoning: WHY this task was executed now — what triggered it (optional).

  • nexo_track

    Track files being edited. Detects conflicts with other sessions. MUST call before editing any file outside ~/claude/. Args: sid: Your session ID. paths: List of absolute file paths to track.

  • nexo_untrack

    Stop tracking files. If no paths given, releases all. Args: sid: Your session ID. paths: File paths to release. Omit to release all.

Signals

Last release
Mar 29, 2026 (7 months ago)

Details

Registry name
io.github.wazionapps/nexo
Version
1.5.2
Auth
No auth
Packages
npm nexo-brain
License
License unknown
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registry

More from wazionapps

Cite this page

Nexo MCP server. Agent Mart. https://agentmart.dev/connectors/wazionapps-nexo (last updated 2026-10-24)