orahermes-agent

Persistent AI Agent powered by Oracle AI Database, Vector Search & OCI GenAI

               

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A fork of NousResearch/hermes-agent that replaces the default inference and storage layers with Oracle Cloud Infrastructure services, and adds semantic long-term memory via Oracle AI Vector Search:

• OCI GenAI (xAI Grok models) or Ollama (local inference) instead of OpenRouter
• Oracle 26ai Free as the only session and message store
• Oracle AI Vector Search -- messages are embedded in-database using an ONNX model, enabling meaning-based recall across past conversations

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Table of Contents

• Quick Start
• Architecture
• Features
  • Semantic Memory (Oracle AI Vector Search)
  • Three-Provider LLM Architecture
  • 30+ Built-in Tools
  • Skills System
  • Messaging Gateways
  • Persistent Memory
  • Context Compression
  • Subagent Delegation
  • Cron Scheduler
  • Training Data Export
  • Live Dashboard
• What's Different from Upstream
• Configuration Reference
• Testing
• License

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Quick Start

One-command install: clone, configure, and run in a single step:

curl -fsSL https://raw.githubusercontent.com/jasperan/orahermes-agent/main/install.sh | bash

Advanced options

Override install location:

PROJECT_DIR=/opt/myapp curl -fsSL https://raw.githubusercontent.com/jasperan/orahermes-agent/main/install.sh | bash

Or install manually:

git clone https://github.com/jasperan/orahermes-agent.git
cd orahermes-agent
# See below for setup instructions

Prerequisites

Requirement	Details
Python	3.11 or newer
Oracle 26ai Free	Running container (see Database Setup below)
LLM Provider	Ollama (local, default) or OCI GenAI (cloud)

Installation

# Clone
git clone https://github.com/jasperan/orahermes-agent.git
cd orahermes-agent

# Run the setup script (installs uv, creates venv, installs deps)
./setup-hermes.sh

# Windows PowerShell installer
powershell -ExecutionPolicy Bypass -File scripts/install.ps1

# Or install manually
pip install -e ".[all]"

Database Setup

Start Oracle 26ai Free as a container:

docker run -d \
  --name oracle-26ai \
  -p 1521:1521 \
  -e ORACLE_PWD=YourPassword123 \
  container-registry.oracle.com/database/free:latest-lite

Wait for the database to be ready, then create the Hermes schema:

# Connect as SYSDBA and create the hermes user
sqlplus sys/YourPassword123@localhost:1521/FREEPDB1 as sysdba <<'SQL'
CREATE USER hermes IDENTIFIED BY HermesPass123
  DEFAULT TABLESPACE users QUOTA UNLIMITED ON users;
GRANT CONNECT, RESOURCE, CTXAPP, DB_DEVELOPER_ROLE TO hermes;
SQL

# Apply the base schema (sessions + messages + Oracle Text index)
sqlplus hermes/HermesPass123@localhost:1521/FREEPDB1 @oracle_setup.sql

# Apply the vector search migration (embedding column + HNSW index)
sqlplus hermes/HermesPass123@localhost:1521/FREEPDB1 @oracle_setup_vector.sql

Add the connection details to .env:

ORACLE_DSN=localhost:1521/FREEPDB1
ORACLE_USER=hermes
ORACLE_PASSWORD=HermesPass123

LLM Provider Setup

Option A: Ollama (local, default)

# Install Ollama and pull a model
ollama pull qwen3.5:4b

# That's it -- Ollama is the default provider, no extra config needed

Option B: OCI GenAI (cloud)

Configure your ~/.oci/config profile and set in .env:

OCI_PROFILE=DEFAULT
OCI_REGION=us-chicago-1
OCI_COMPARTMENT_ID=<your-compartment-ocid>
LLM_MODEL=xai.grok-3-mini

Then run the setup wizard to select OCI as your provider:

orahermes setup

Run

# Interactive CLI
orahermes

# Single query
orahermes chat -q "What's the status of our deployment?"

# Diagnostics
orahermes doctor

# Configuration wizard
orahermes setup

# List available tools
orahermes --list-tools

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Architecture

+-----------------------+       +---------------------+       +---------------------------+
|                       |       |                     |       |                           |
|  Ollama / OCI GenAI   | <---> |   orahermes-agent   | <---> |    Oracle 26ai Free       |
|  / Custom endpoint    |       |                     |       |       (FREEPDB1)          |
|                       |       |                     |       |                           |
+-----------------------+       +---------------------+       +---------------------------+
  Three-provider LLM              Tool-calling engine           Session & message storage
  Ollama (default)                 30+ built-in tools            Oracle Text full-text search
  OCI GenAI (xAI Grok)            Skills & scheduling            Oracle AI Vector Search
  Any OpenAI-compatible            Messaging gateways            In-DB ONNX embeddings (384d)
                                   Memory & compression          HNSW vector index

Core Agent Loop

User input
  -> AIAgent.chat() [run_agent.py]
    -> Build system prompt (memory, skills, context files)
    -> LLM API call (Ollama / OCI GenAI / custom)
      -> Tool calls detected?
        -> Yes: registry.dispatch() -> execute tool -> embed result -> loop back
        -> No: return text response
      -> Persist message to Oracle DB (vector embeddings via backfill)

Session Backend

hermes_state.get_session_db() always returns the Oracle-backed SessionDB compatibility facade. Set ORACLE_DSN, ORACLE_USER, and ORACLE_PASSWORD, then apply oracle_setup.sql. There is no local database fallback in OraHermes. Vector search methods (semantic_search, hybrid_search, embed_message) are provided by Oracle AI Vector Search.

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Features

Semantic Memory (Oracle AI Vector Search)

The headline feature unique to this fork. Messages are embedded as 384-dimensional vectors using an in-database ONNX model (ALL_MINILM_L6_V2), stored in a VECTOR(384, FLOAT32) column, and indexed with an HNSW vector index for fast approximate nearest-neighbor search.

This gives the agent semantic long-term memory -- it can recall past conversations by meaning, not just keywords.

How it works:

1. In-database embeddings: VECTOR_EMBEDDING() runs the ONNX model inside Oracle -- zero Python-side inference overhead. db.embed_message(message_id, content) embeds a single row; db.backfill_embeddings() embeds any messages that don't have an embedding yet. Run the backfill after applying the migration (or on a schedule) to populate semantic memory for existing conversations.
2. Three search modes via the semantic_recall tool:
   • hybrid (default): Combines Oracle Text keyword search with vector cosine similarity, weighted 40/60, and re-ranks results. Best overall accuracy.
   • vector: Pure semantic similarity. Finds conceptually related conversations even with completely different wording.
   • keyword: Traditional Oracle Text CONTAINS search. Exact term matching.
3. Capability detection: db.vector_search_enabled checks that the migration is applied (embedding column present) and the ONNX model is loaded. When vector support is unavailable, the semantic_recall tool reports that oracle_setup_vector.sql must be applied, and keyword mode keeps working against Oracle Text. Vector search is purely additive -- the agent works fine without it.

Example agent usage:

User: "Remember that time we debugged the deployment issue?"
Agent: [calls semantic_recall with query="debugging deployment problems"]
       -> Finds sessions about "rollout failures", "CI/CD pipeline errors",
         "nginx config issues" -- even though none used the word "deployment"

Schema additions (oracle_setup_vector.sql):

ALTER TABLE messages ADD (embedding VECTOR(384, FLOAT32));
CREATE VECTOR INDEX idx_messages_embedding ON messages(embedding)
    ORGANIZATION NEIGHBOR PARTITIONS DISTANCE COSINE WITH TARGET ACCURACY 95;

Three-Provider LLM Architecture

The agent supports three LLM backends, selectable via the setup wizard or environment variables:

Provider	Backend	Default Model	Use Case
ollama (default)	Local Ollama instance	qwen3.5:4b	Offline, privacy, no API costs
oci	OCI GenAI	xai.grok-3-mini	Cloud inference, enterprise
custom	Any OpenAI-compatible endpoint	User-specified	vLLM, Together, Groq, etc.

Available models:

• Ollama: Qwen3.5 family (0.8b through 35B-A3B MoE), plus any model Ollama supports
• OCI GenAI: xAI Grok-3, Grok-3-mini, Meta Llama 3.3 70B, Llama 4 Maverick
• Custom: Any model at any OpenAI-compatible endpoint

Provider is configured in ~/.hermes/config.yaml and can be overridden per-session with HERMES_PROVIDER=oci.

30+ Built-in Tools

Every tool self-registers via tools/registry.py at import time. The agent receives tool schemas in OpenAI function-calling format and can chain multiple tool calls per turn.

Category	Tools	Description
Web	web_search, web_extract	Search the web (SearXNG/DuckDuckGo), extract/scrape page content (Firecrawl)
Terminal	terminal, process	Execute shell commands with multiple backends (local, SSH, Docker, Singularity, Modal), manage long-running processes
File Operations	read_file, write_file, patch, search_files	Read, write, fuzzy-match patch, and search across files with content/path matching
Browser	browser_navigate, browser_click, browser_type, browser_scroll, browser_snapshot, browser_vision, + 4 more	Full browser automation via Browserbase -- navigate, interact, screenshot, PDF export
Vision	vision_analyze	Analyze images using vision models (Nous API)
Image Generation	image_generate	Text-to-image via FAL.ai (Flux 2)
Text-to-Speech	text_to_speech	Convert text to audio with Edge TTS (free), ElevenLabs, or OpenAI
Planning	todo	Task management for multi-step agent work -- create, update, and track task lists
Memory	memory	Persistent curated notes and user profile that survive across sessions. Injected into the system prompt
Session Search	session_search	Keyword-based search across all past sessions with LLM-powered summarization of matching conversations
Semantic Recall	semantic_recall	Vector similarity search over past conversations using Oracle AI Vector Search. Finds semantically related content by meaning
Skills	skills_list, skill_view, skill_manage	Create, view, edit, and manage reusable skill documents (procedures, templates, checklists)
Reasoning	mixture_of_agents	Multi-model collaboration -- query multiple LLMs and synthesize their responses
Code Execution	execute_code	Run Python scripts in a sandboxed RPC environment with access to agent tools
Delegation	delegate_task	Spawn child agents with isolated context for parallel subtask execution
Scheduling	schedule_cronjob, list_cronjobs, remove_cronjob	Schedule, list, and remove recurring automated tasks
Messaging	send_message	Send messages across platforms (Telegram, Discord, WhatsApp, Slack) from within the agent
Clarification	clarify	Ask the user multiple-choice or open-ended clarifying questions
RL Training	10 tools	Manage reinforcement learning environments and training runs (Atropos/Tinker)

Skills System

The agent can learn, store, and reuse multi-step procedures as skills -- markdown documents with YAML frontmatter stored in ~/.hermes/skills/.

• Self-describing: Each skill has name, description, tags, and related skills
• Versioned: Tracks updates with auto-reload on change
• Composable: Skills can reference and call other skills
• Access-controlled: Agent requests user approval before executing sensitive skills

A Skills Hub design is in progress (docs/skills_hub_design.md) for discovering and sharing skills across the community, with security scanning for malicious content.

Messaging Gateways

The agent runs as a bot on four messaging platforms simultaneously via gateway/run.py:

Platform	Features
Telegram	Full tool access, inline keyboards, file/image sharing, per-chat sessions
Discord	Server + DM support, message threading, file uploads, reaction handling
WhatsApp	WhatsApp Business API integration, media support, per-chat sessions
Slack	Workspace bot, threaded conversations, Slack Block Kit formatting

Each adapter maintains per-chat session state via OracleSessionDB, enabling conversation continuity. Install as a systemd service:

./scripts/hermes-gateway install
./scripts/hermes-gateway start

Persistent Memory

OraHermes disables the legacy file-backed memory stores and external memory providers. Runtime persistence and recall use Oracle Database only.

Context Compression

When the conversation token count approaches the model's context limit, the agent automatically:

1. Summarizes older messages into a compressed history
2. Uses an auxiliary LLM (Llama 3.3 70B on OCI or Qwen on Ollama) for summarization
3. Replaces old messages with the summary, freeing context window for new turns
4. Maintains conversation continuity through the compression boundary

Subagent Delegation

The delegate_task tool spawns child agents with isolated context for parallel subtask execution. Child sessions are linked via parent_session_id in Oracle DB, enabling full conversation tree tracing. The parent agent receives a summary of each child's work.

Cron Scheduler

Schedule recurring tasks that the agent executes on a cron schedule. Jobs persist across agent restarts and are managed through the schedule_cronjob, list_cronjobs, and remove_cronjob tools.

Training Data Export

Conversations are exportable in ShareGPT format for fine-tuning:

{
  "conversations": [
    {"from": "system", "value": "..."},
    {"from": "human", "value": "..."},
    {"from": "gpt", "value": "<tool_call>\n{...}\n</tool_call>..."}
  ],
  "tools": "[...]",
  "source": "hermes-agent"
}

Supports <tool_call>, <tool_response>, and <think> XML tags for training tool-calling and reasoning models. RL training environments (Atropos) are also included for reinforcement learning from human feedback.

Live Dashboard

A real-time D3.js dashboard visualizes all data orahermes-agent produces in Oracle Database -- sessions, messages, tool usage, token counts, and content lengths. Auto-refreshes every 3 seconds.

ORACLE_DSN=localhost:1521/FREEPDB1 ORACLE_USER=hermes ORACLE_PASSWORD=<password> \
    python dashboard_server.py --port 8501

Charts included:

• KPI cards (sessions, messages, tool calls, estimated tokens) with animated counters and delta indicators
• Role distribution donut chart (user / assistant / tool)
• Tool usage horizontal bar chart
• Token usage by role donut chart
• Tokens per session stacked bar chart (input vs output)
• Messages per session timeline with tool call overlay
• Content length scatter plot colored by role
• Recent sessions table with model, message count, and status
• Live message feed with role-colored entries

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What's Different from Upstream

This fork makes three additions on top of the upstream hermes-agent codebase:

1. OpenRouter --> OCI GenAI + Ollama

	Upstream	orahermes-agent
Provider	OpenRouter	Ollama (default) / OCI GenAI / Custom
Auth	API key (OPENROUTER_API_KEY)	None (Ollama) or OCI config profile
Default model	anthropic/claude-opus-4.6	qwen3.5:4b (Ollama) or xai.grok-3-mini (OCI)
SDK	openai	openai (Ollama), oci-openai (OCI)

New files: oci_client.py, agent/auxiliary_client.py (multi-provider), agent/model_metadata.py (local catalogue).

2. Local File Storage --> Oracle 26ai Free

	Upstream	orahermes-agent
Database	Local file-backed store	Oracle 26ai Free (container)
Driver	Standard local driver	oracledb (python-oracledb)
Connection	File path	Connection pool (oracledb.create_pool)
Full-text search	Local text index	Oracle Text (CTXSYS.CONTEXT)

New files: oracle_state.py (drop-in OracleSessionDB), oracle_setup.sql (DDL).

3. Oracle AI Vector Search (Semantic Memory)

	Upstream	orahermes-agent
Long-term recall	Keyword search only	Keyword + vector similarity + hybrid
Embeddings	None	In-DB ONNX model (ALL_MINILM_L6_V2, 384d)
Vector index	None	HNSW with cosine distance, 95% target accuracy
Search tool	session_search (keyword)	session_search (keywords) + semantic_recall (vector/hybrid)

New files: oracle_setup_vector.sql (migration), tools/semantic_recall_tool.py. Extended: oracle_state.py (vector methods: embed_message, backfill_embeddings, semantic_search, hybrid_search, vector_search_enabled).

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Configuration Reference

Environment Variables (.env)

# Oracle Database
ORACLE_DSN=localhost:1521/FREEPDB1
ORACLE_USER=hermes
ORACLE_PASSWORD=<password>

# LLM Provider (pick one)
HERMES_PROVIDER=ollama              # or: oci, custom
OLLAMA_BASE_URL=http://localhost:11434/v1

# OCI GenAI (if using oci provider)
OCI_PROFILE=DEFAULT
OCI_REGION=us-chicago-1
OCI_COMPARTMENT_ID=<compartment-ocid>
LLM_MODEL=xai.grok-3-mini

# Custom endpoint (if using custom provider)
OPENAI_API_KEY=<key>
OPENAI_BASE_URL=<url>

# Tool API Keys (optional -- tools degrade gracefully without them)
FIRECRAWL_API_KEY=<key>             # web_extract, web_crawl
FAL_KEY=<key>                       # image_generate
NOUS_API_KEY=<key>                  # vision_analyze
BROWSERBASE_API_KEY=<key>           # browser tools
BROWSERBASE_PROJECT_ID=<id>         # browser tools

# Messaging Gateways (optional)
TELEGRAM_BOT_TOKEN=<token>
DISCORD_BOT_TOKEN=<token>
SLACK_BOT_TOKEN=<token>
WHATSAPP_CREDENTIALS=<credentials>

Config File (~/.hermes/config.yaml)

Generated by orahermes setup. Key sections:

• model: Provider, default model, base URL
• terminal: Backend (local/docker/ssh/modal/singularity)
• tools: Enabled/disabled toolsets
• gateway: Platform tokens and settings
• memory: User profile, persistent notes
• compression: Token thresholds for context compression

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Testing

# All unit tests, using the same hermetic runner as CI
scripts/run_tests.sh

# All tests with a local Oracle Free container/schema, no cloud DSN needed
scripts/run_oracle_free_tests.sh

# Oracle state tests with a local Oracle Free container/schema
scripts/run_oracle_free_tests.sh tests/test_oracle_state.py -q

# Semantic recall tests specifically
scripts/run_tests.sh tests/test_semantic_recall.py -v

# Single test
scripts/run_tests.sh tests/tools/test_file_tools.py -k "test_read"

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Project Structure

orahermes-agent/
├── run_agent.py                 # Main agent loop (AIAgent class)
├── cli.py                       # Interactive CLI entry point
├── model_tools.py               # Tool discovery & dispatch orchestration
├── oracle_state.py              # OracleSessionDB: sessions, messages, vector search
├── oracle_setup.sql             # Base schema DDL (sessions + messages + Oracle Text)
├── oracle_setup_vector.sql      # Vector migration DDL (embedding column + HNSW index)
├── hermes_state.py              # Oracle-only SessionDB compatibility facade
├── oci_client.py                # OCI GenAI client factory
├── hermes_constants.py          # Models, endpoints, defaults
├── toolsets.py                  # Toolset definitions & resolution
├── dashboard_server.py          # Live D3.js dashboard
├── agent/                       # Agent internals
│   ├── prompt_builder.py        #   System prompt assembly
│   ├── context_compressor.py    #   Automatic conversation summarization
│   ├── auxiliary_client.py      #   Multi-provider auxiliary LLM client
│   ├── model_metadata.py        #   Local model catalogue
│   ├── trajectory.py            #   ShareGPT export
│   └── prompt_caching.py        #   Anthropic prompt caching support
├── tools/                       # 30+ self-registering tool modules
│   ├── registry.py              #   Central tool registry (singleton)
│   ├── semantic_recall_tool.py  #   Vector similarity search tool
│   ├── session_search_tool.py   #   Keyword search + summarization tool
│   ├── memory_tool.py           #   Persistent memory tool
│   ├── web_tools.py             #   Web search & extraction
│   ├── terminal_tool.py         #   Shell execution
│   ├── file_tools.py            #   File operations
│   ├── browser_tool.py          #   Browser automation
│   └── ...                      #   Vision, TTS, skills, delegation, etc.
├── gateway/                     # Multi-platform messaging adapter
│   ├── run.py                   #   Gateway entry point
│   └── platforms/               #   Telegram, Discord, WhatsApp, Slack
├── hermes_cli/                  # CLI subsystem
│   ├── main.py                  #   REPL with Rich formatting
│   ├── auth.py                  #   Provider resolution
│   ├── config.py                #   Config management
│   └── setup.py                 #   Setup wizard
├── tests/                       # Unit & integration tests (7300+)
├── skills/                      # Built-in skill documents
├── cron/                        # Cron scheduler
├── environments/                # Atropos RL training environments
└── docs/                        # Architecture docs & design plans

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License

MIT -- same as upstream. See LICENSE.

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Credit

Based on NousResearch/hermes-agent by Nous Research.

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