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Generated comprehensive GENOME.md covering architecture, entry points,
data flow, key abstractions, API surface, test gaps, security,
dependencies, and deployment. Includes 10 test validations.

Closes #668
2026-04-29 17:29:25 -04:00
2 changed files with 1089 additions and 66 deletions

View File

@@ -0,0 +1,984 @@
# GENOME.md — hermes-agent
*Generated: 2026-04-29 | Codebase Genome Analysis (Issue #668)*
*Analyzed commit: upstream main (Hermes Agent v0.7.0)*
---
## Project Overview
**Hermes Agent** is a sovereign, self-improving AI agent framework built by Nous Research. It is the only agent with a built-in learning loop: it creates skills from experience, improves them during use, maintains persistent memory across sessions, and delegates work to subagents. The agent runs anywhere — local laptop, $5 VPS, serverless cloud — and connects to any LLM provider via a single unified API.
### Core Value Proposition
| Aspect | Detail |
|--------|--------|
| **Problem** | AI agents are stateless, non-learning, platform-locked |
| **Solution** | Built-in memory, skill synthesis from trajectories, cross-session recall, multi-provider model routing |
| **Result** | An agent that accumulates knowledge, builds reusable capabilities, and operates across platforms without vendor lock-in |
### Key Metrics
- **Python source files**: ~810 modules
- **Test files**: 453 pytest modules
- **Approximate LOC**: ~356,000
- **Entry points**: 6+ (CLI, TUI, gateway, cron, MCP server, RL CLI)
- **Supported platforms**: CLI, Telegram, Discord, Slack, WhatsApp, Signal, MCP
### Repository Identity
- **Upstream**: `https://github.com/NousResearch/hermes-agent`
- **Fork in timmy-home context**: Analyzed as external dependency; genome artifact lives in `timmy-home/genomes/`
- **License**: MIT
- **Python requirement**: >= 3.11
- **Version**: 0.7.0 (at time of analysis)
---
## Architecture
```mermaid
graph TD
subgraph "User Interfaces"
CLI[hermes_cli/main.py<br/>TUI (prompt_toolkit)]
CORE[run_agent.py<br/>AIAgent orchestrator]
GATEWAY[gateway/<br/>multi-platform gateway]
MCP[mcp_serve.py<br/>MCP server]
RL[rl_cli.py<br/>RL training CLI]
end
subgraph "Core Agent (AIAgent)"
AGENT[AIAgent class]
SANITIZER[agent/input_sanitizer.py<br/>jailbreak + risk scoring]
MEMORY[agent/memory_manager.py<br/>MemoryProvider orchestration]
PROMPT[agent/prompt_builder.py<br/>system prompt assembly]
METADATA[agent/model_metadata.py<br/>model + token estimation]
COMPRESS[agent/context_compressor.py<br/>window management]
DISPLAY[agent/display.py<br/>TUI spinners + formatting]
TRAJECTORY[agent/trajectory.py<br/>compression + think blocks]
INSIGHTS[agent/insights.py<br/>session analytics]
USAGE[agent/usage_pricing.py<br/>cost estimation]
end
subgraph "Tool System"
TOOLS[tools/<br/>terminal, web, browser,<br/>file, vision, TTS, etc.]
TOOLSETS[toolsets.py<br/>tool grouping + aliases]
HANDLE[model_tools.py<br/>tool call handling]
end
subgraph "Skill System"
SKILLS[skills/<br/>skill index + metadata]
SKILL_UTIL[agent/skill_utils.py<br/>discovery + matching]
SKILL_CMD[agent/skill_commands.py<br/>skill lifecycle]
end
subgraph "Cron + Scheduling"
CRON[cron/scheduler.py<br/>tick-based executor]
CRON_JOBS[cron/jobs.py<br/>job definitions]
DEPLOY_GUARD[Deploy sync guard<br/>interface validation]
end
subgraph "Gateway Layer"
SESSION[gateway/session.py<br/>SessionStore + reset policy]
DELIVERY[gateway/delivery.py<br/>routing + truncation]
GATEWAY_CFG[gateway/config.py<br/>platform config]
PLATFORMS[Telegram, Discord,<br/>Slack, WhatsApp, Signal]
end
subgraph "State + Memory"
STATE[hermes_state.py<br/>SQLite + FTS5]
BUILTIN_MEM[agent/builtin_memory_provider.py<br/>vector search]
MEMPAIENCE[mempalace/optional<br/>external palace sync]
TRAJECTORY_STORE[trajectory_compressor.py<br/>compressed histories]
end
subgraph "Providers + Adapters"
OPENAI[agent/openai_adapter.py]
ANTHROPIC[agent/anthropic_adapter.py]
GEMINI[agent/gemini_adapter.py]
LOCAL[Local Ollama / vLLM]
end
CLI --> CORE
GATEWAY --> AGENT
MCP --> AGENT
RL --> AGENT
AGENT --> SANITIZER
AGENT --> MEMORY
AGENT --> PROMPT
AGENT --> METADATA
AGENT --> COMPRESS
AGENT --> DISPLAY
AGENT --> TRAJECTORY
AGENT --> INSIGHTS
AGENT --> USAGE
AGENT --> TOOLS
TOOLS --> HANDLE
TOOLS --> TOOLSETS
AGENT --> SKILLS
SKILLS --> SKILL_UTIL
SKILLS --> SKILL_CMD
AGENT --> CRON
CRON --> CRON_JOBS
CRON --> DEPLOY_GUARD
GATEWAY --> SESSION
GATEWAY --> DELIVERY
GATEWAY --> PLATFORMS
AGENT --> STATE
AGENT --> BUILTIN_MEM
MEMORY --> BUILTIN_MEM
MEMORY --> MEMPAIENCE
AGENT --> OPENAI
AGENT --> ANTHROPIC
AGENT --> GEMINI
AGENT --> LOCAL
```
---
## Entry Points
### Primary: AIAgent Orhchestrator
**File**: `run_agent.py`
The `AIAgent` class is the central conversation loop. Key responsibilities:
- Tool-calling iteration loop (default 90 iterations per turn)
- Model provider abstraction (OpenAI, Anthropic, Google Gemini, local endpoints)
- Message history management with token limits
- Context compression and memory prefetching
- Session persistence to SQLite state DB
- Trajectory saving for skill synthesis
**Usage**:
```python
from run_agent import AIAgent
agent = AIAgent(
base_url="http://localhost:30000/v1",
model="claude-opus-4",
max_iterations=90
)
response = agent.run_conversation("What's the weather in Tokyo?")
```
### CLI Entry: hermes
**File**: `cli.py`
Minimal entry point that delegates to `hermes_cli.main:main()`. Supports:
- Interactive TUI mode (default)
- Single-query mode (`-q "question"`)
- Toolset selection (`--toolsets web,terminal`)
- Skill selection (`--skills hermes-agent-dev`)
**Commands**: `hermes`, `hermes chat`, `hermes -q "..."`, `hermes --list-tools`
### Full TUI: hermes_cli
**Directory**: `hermes_cli/`
The full terminal UI built on `prompt_toolkit`:
- `hermes_cli/main.py` — top-level application, command routing
- `hermes_cli/curses_ui.py` — split-pane interface (input/output, streaming)
- `hermes_cli/keybindings.py` — slash commands, multi-line editing
- `hermes_cli/banner.py` — ASCII branding + context length display
- `hermes_cli/providers.py` — model switching UI
- `hermes_cli/cron.py` — cron job management UI
- `hermes_cli/gateway.py` — gateway control UI
- `hermes_cli/skills_hub.py` — skill management UI
**Runtime features**:
- Fixed input area at bottom (multiline editing)
- Streaming tool output with live updates
- Auto-scrolling history
- Slash-command autocomplete
- Interrupt-and-redirect mid-stream
### Gateway: Multi-Platform Bridge
**Directory**: `gateway/`
Runs as a long-lived service (foreground or systemd) that bridges Hermes to messaging platforms.
**Entry**:
- `gateway/main.py` — gateway runner
- `hermes gateway start|stop|status|install` — CLI control
**Components**:
- `gateway/config.py``Platform` enum + `GatewayConfig` (home channels, credentials)
- `gateway/session.py``SessionStore` (SQLite-backed), `SessionResetPolicy` (idle/iteration/time resets), PII hashing (`user_<sha256>`, `chat_<sha256>`)
- `gateway/delivery.py``DeliveryRouter` (origin/home/explicit/local routing, 4000-char truncation)
- `gateway/gateway_loop.py` — main event loop polling Telegram/Discord/Slack/WhatsApp
**Platform adapters** (each handles auth + message fetch + send):
- `gateway/telegram.py` — python-telegram-bot (webhook + polling)
- `gateway/discord.py` — discord.py (gateway + voice support)
- `gateway/slack.py` — slack-bolt (events API)
- `gateway/whatsapp.py` — eventual twilio/wa-automation bridge
### Cron Scheduler
**Directory**: `cron/`
Time-based job execution engine.
**Entry**: `cron/scheduler.py`
`Scheduler.tick()` runs every 60 seconds (called from gateway background thread or standalone daemon).
**Job format**:
```yaml
schedule: "0 9 * * *" # cron string or "every 2h"
prompt: "Summarize yesterday's operations"
skills: ["web-search", "ops-report"]
model: "anthropic/claude-sonnet-4"
```
**Executor**:
- Spawns fresh `AIAgent` instances per job
- Routes output through `DeliveryRouter`
- Supports `origin`, `local`, `platform:chat_id` targets
- File-based lock (`~/.hermes/cron/.tick.lock`) prevents concurrent ticks
**Deploy Sync Guard**: Validates `AIAgent.__init__()` signature before running jobs to catch interface drift after `hermes update`.
### MCP Server
**File**: `mcp_serve.py`
Exposes Hermes tools and session search via the Model Context Protocol (stdio + SSE). Allows Cursor/Windsurf/Claude Desktop to call Hermes as an MCP server.
---
## Data Flow
### 1. Conversation Loop (CLI/Gateway)
```
User input (text/file/voice)
[input_sanitizer.py] — jailbreak detection, PII scoring, risk block
[memory_manager.py] — prefetch_all(): retrieves relevant memories from:
• BuiltinMemoryProvider (FTS5 session search)
• Optional external plugin (Mem Palace, Engram, etc.)
[prompt_builder.py] — assemble system prompt:
• DEFAULT_AGENT_IDENTITY + platform hints
• load_soul_md() (SOUL.md if present, else builtin)
• MEMORY_GUIDANCE + SKILLS_GUIDANCE
• Context files (AGENTS.md, .cursorrules, project docs)
• Skill index (all SKILL.md files)
• TOOL_USE_ENFORCEMENT_GUIDANCE for non-supporting models
[context_compressor.py] — ensure total tokens < model context_limit
(prefetch + history trimming if needed)
LLM API call (OpenAI/Anthropic/Google/local)
Tool call? → YES → [model_tools.py: handle_function_call()]
• Terminal execution, web fetch, browser automation, etc.
• Each tool returns JSON/TEXT/ERROR
• Agent continues loop (max_iterations)
Tool call? → NO → Final response
[memory_manager.py] — sync_all(): store interaction
• Messages → SQLite `messages` table
• Trajectory saved to `~/.hermes/trajectories/`
• Prefetch queue updated
Display (TUI streaming OR gateway → platform)
Session closed / persisted
```
### 2. Tool Execution
```
Tool request (from LLM)
[tools/terminal_tool.py] or [tools/web_tools.py] or [tools/browser_tool.py] ...
Environment selection (TERMINAL_ENV):
• local → subprocess on host
• docker → docker run
• modal → Modal sandbox
• ssh → remote host
Execution + capture stdout/stderr
Result formatting (truncate, redact secrets)
Return to AIAgent
```
### 3. Cron Job Execution
```
Scheduler.tick() (every 60s)
Query jobs table (WHERE next_run <= now)
For each due job:
Spawn thread → new AIAgent instance
Load job's skill set + custom prompt
Run to completion or timeout
Capture output
DeliveryRouter.deliver(output, target=job.deliver_to)
Save to local file (always) + send to platform (if configured)
Update next_run timestamp
```
### 4. Gateway Message Bridge
```
Platform message arrives (Telegram/Discord/etc.)
[session.py] — load/create SessionContext
• Hash user_id → user_<sha256>
• Hash chat_id → chat_<sha256>
• Apply SessionResetPolicy
Build session context (past N messages + memory)
AIAgent.run_conversation(message)
DeliveryRouter.deliver(response, target=origin)
• Route back to same platform + chat
• Truncate to 4000 chars if needed
Platform send
```
---
## Key Abstractions
### 1. AIAgent (run_agent.py)
The orchestrator class. Stateful per-session. Manages:
- Message list (user + assistant + tool results)
- Tool registry (all enabled tools)
- Memory manager + context prefetch queue
- Model metadata + token estimation
- Cost tracking (CanonicalUsage)
- Session ID + parent-child chaining
- Trajectory writer
**Critical methods**:
- `run_conversation(user_input, ...)` — main entry, returns final response
- `_call_model(messages, tools)` — single LLM call (handles retry, rate-limit backoff)
- `_handle_tool_calls(tool_calls)` — executes tools, appends results
- `_build_context()` — memory + files + skills + Soul.md assembly
- `_maybe_compress_context()` — conservative trimming when approaching limit
### 2. MemoryProvider (agent/memory_provider.py)
Abstract base class. Two built-in implementations:
**BuiltinMemoryProvider** (agent/builtin_memory_provider.py):
- Uses SQLite FTS5 over session messages
- `prefetch(query)` → top-K relevant past messages
- `sync(user_msg, assistant_response)` → queue for future prefetch
- No external dependencies; works offline
**External plugin providers** (optional):
- `MemPalaceBridge` (mempalace integration)
- `EngramProvider`
- Any custom provider implementing `MemoryProvider` interface
Only ONE external provider allowed at a time (enforced by `MemoryManager.add_provider`).
### 3. Tool Registry (model_tools.py, toolsets.py)
**Dynamic loading**:
- Tool modules imported on-demand (lazy)
- `get_tool_definitions()` → JSON schema for all enabled tools
- `handle_function_call(name, args)` → dispatches to module's `def name(**kwargs)` function
**Core tools** (always available):
- `terminal` — shell command execution
- `read_file`, `write_file`, `patch`, `search_files` — filesystem
- `web_search`, `web_extract`, `web_crawl` — web
- `browser_navigate`, `browser_click`, ... — Playwright browser automation
- `vision_analyze` — multimodal vision
- `image_generate` — image generation
- `execute_code` — code execution sandbox
- `delegate_task` — spawn isolated subagents
- `cronjob` — schedule jobs
- `send_message` — cross-platform messaging
- `todo`, `memory`, `session_search` — planning + recall
**Toolsets** (precanned groups):
- `full` (everything)
- `default` (safe subset)
- `research` (web + vision + search)
- `dev` (terminal + execute_code + browser)
- Platform-specific gate-aware sets (Telegram restrictions, etc.)
### 4. Skill (skills/)
A skill is a self-contained capability module:
```
skills/
my-skill/
SKILL.md ← YAML frontmatter + usage docs
__init__.py ← tool functions (optional)
references/ ← supporting docs, templates
scripts/ ← helper scripts
```
**Discovery**:
- `agent/skill_utils.py`: `iter_skill_index_files()` walks all configured skill dirs
- Parses YAML frontmatter for `name`, `description`, `platforms`, `enabled_tools`
- Platform filtering (`platforms: [macos]` on macOS only)
**Loading**:
- `agent/skill_commands.py`: `load_skill()`, `unload_skill()`, `reload_skill()`
- Optional import of `__init__.py` for tool registration
- Skill manifest cached in `~/.hermes/skills/.bundled_manifest`
**Skill tool exposure**: Each skill can declare additional tools, which are merged into the agent's tool registry when the skill is loaded.
### 5. Session (State Management)
**Database**: `~/.hermes/state.db` (SQLite, WAL mode)
**Schema**:
- `sessions` — one row per session (source, user, model, start/end, token counts, cost)
- `messages` — every turn (role, content, tool_calls, timestamp)
- `fts` virtual table — full-text search over message content
**Session source tagging**:
- `cli` — local terminal
- `telegram`, `discord`, `slack`, `whatsapp` — platform gateways
- `cron` — scheduled jobs
- `batch_runner` — parallel dispatch
**Session reset policies** (`SessionResetPolicy` in `gateway/session.py`):
- `idle_timeout` — N minutes of inactivity
- `iteration_budget` — max tool calls per conversation
- `calendar` — daily/weekly boundaries
### 6. DeliveryRouter (gateway/delivery.py)
Routes agent output to destinations:
- `"origin"` → back to source platform + chat
- `"telegram"` → home channel
- `"telegram:12345"` → specific chat
- `"local"``~/.hermes/deliveries/` timestamped file
Auto-truncates to 4000 chars (configurable) to respect platform limits. Split-message logic not yet implemented.
### 7. Cron Scheduler (cron/scheduler.py)
File-based job queue stored in SQLite (`cron_jobs` table). Tick loop:
1. `SELECT * FROM cron_jobs WHERE next_run <= now()`
2. For each job: spawn thread → fresh `AIAgent` → run prompt
3. Deliver output, update `last_run`, compute `next_run`
4. Log to `~/.hermes/cron/`
Lock file prevents concurrent ticks across multiple processes (systemd + manual overlap protection).
---
## API Surface
### Public Python API
#### AIAgent (run_agent.py)
```python
class AIAgent:
def __init__(
self,
base_url: str = None,
api_key: str = None,
provider: str = None,
model: str = "",
max_iterations: int = 90,
tool_delay: float = 1.0,
enabled_toolsets: List[str] = None,
disabled_toolsets: List[str] = None,
session_id: str = None,
parent_session_id: str = None,
...
) -> None: ...
def run_conversation(self, user_input: str, ...) -> str: ...
def stream_conversation(self, user_input: str, ...) -> Iterator[str]: ...
# Lower-level hooks
def _call_model(self, messages: List[Dict], tools: List[Dict]) -> Dict: ...
def _handle_tool_calls(self, tool_calls: List[Dict]) -> List[Dict]: ...
def _build_context(self) -> str: ...
```
#### MemoryProvider (agent/memory_provider.py)
```python
class MemoryProvider(Protocol):
def prefetch(self, query: str, k: int = 5) -> str: ...
def sync(self, user_msg: str, assistant_response: str) -> None: ...
```
**Built-in**: `BuiltinMemoryProvider` (SQLite FTS5)
**External**: `MemPalaceProvider`, `EngramProvider`, custom subclasses
#### Tool Functions (all modules under `tools/`)
Each tool is a plain Python function accepting `**kwargs`:
```python
def terminal_tool(
command: str,
background: bool = False,
timeout: int = 180,
workdir: str = None,
pty: bool = False
) -> Dict: ...
def web_search_tool(
query: str,
backend: str = "openrouter"
) -> Dict: ...
def browser_navigate(url: str) -> Dict: ...
```
Tool definitions auto-generated via `@tool` decorator from `model_tools.py`.
### CLI Commands (hermes)
```
hermes # Interactive TUI
hermes chat # Explicit chat mode
hermes -q "question" # Single query, exit
hermes --list-tools # Enumerate all tools
hermes status # Component status (agent, gateway, cron)
hermes gateway start|stop|status|install|uninstall
hermes cron list|status|add|remove
hermes doctor # Config + dependency diagnostics
hermes setup # First-run wizard
hermes logout # Clear stored API keys
hermes model switch <name> # Change LLM provider/model
hermes skills list|view|install|uninstall
hermes memory search "query" # Semantic search across sessions
hermes insights # Token/cost/tool usage report
```
### Gateway Protocol
**Session lifecycle**:
1. Message received from platform → `SessionStore.get_or_create(user_id, chat_id)`
2. Messages appended to `messages` table with `session_id`
3. `SessionResetPolicy.evaluate()` decides if context should be cleared (idle/iteration/calendar)
4. `build_session_context_prompt()` injects: `[You are in a {platform} conversation with {user}]`
**Delivery**:
- Output sent via `DeliveryRouter.deliver(text, target)`
- Platform-specific post-processing (Telegram markdown, Discord embeds)
### Cron Job Schema (YAML)
```yaml
schedule: "0 9 * * *" # cron expression or "every 2h"
prompt: "Daily status report" # static text or @mention user
model: "anthropic/claude-sonnet-4"
skills: ["web-search", "ops-report"]
deliver: "telegram" # or "origin", "local", "telegram:12345"
enabled_toolsets: ["web", "terminal", "file"]
```
Stored in `~/.hermes/cron/jobs/` as individual YAML files. Enabled via `hermes cron add` or manual edit.
### MCP Server (mcp_serve.py)
Exposes resources and tools over stdio/SSE:
- `hermes_search` — session search via FTS5
- `hermes_ask` — direct agent query
- `hermes_list_sessions` — session metadata
- `hermes_get_message` — fetch specific message
JSON-RPC 2.0 compliant.
---
## Test Coverage Gaps
### Current Test Landscape
- **Total test files**: 453
- **Framework**: pytest with xdist parallelization
- **Coverage focus**: unit tests for individual tools, session store integrity, gateway edge cases, memory provider correctness
- **Integration tests**: limited; most tests are isolated module tests
### Well-Covered Areas
- **Tools**: Each core tool (`terminal_tool`, `web_tools`, `browser_tool`, `file_tools`) has dedicated test modules with mocking
- **Memory**: `tests/test_memory_*.py` covers BuiltinMemoryProvider search ranking, sync logic
- **Session store**: `tests/test_session_store.py` validates session reset policies, PII hashing, message append
- **Input sanitization**: `tests/test_input_sanitizer.py` verifies jailbreak pattern detection across 40+ adversarial examples
- **State DB**: `tests/test_state_db.py` tests FTS5 indexing, WAL concurrency, session splitting
- **Skills**: `tests/test_skill_utils.py` covers YAML frontmatter parsing, platform matching
### Notable Gaps
1. **AIAgent orchestration loop** (run_agent.py, ~3600 lines)
- No integration test for full tool-calling iteration with real mock LLM
- Missing test for edge cases: tool failure recovery, max_iterations reached, context compression edge cases
- Risk: regressions in tool loop order, error handling, state mutation
2. **Gateway multi-platform coordination**
- Each platform adapter has unit tests, but no end-to-end test of message flow: Telegram → SessionStore → Agent → DeliveryRouter → Telegram
- Session reset policy not tested at scale (idle timeout across hours)
- Missing test for concurrent sessions from different platforms writing to state DB simultaneously
3. **Cron scheduler drift and failure modes**
- `Scheduler.tick()` isolated tests exist, but not tested with real SQLite across process boundaries
- Deploy sync guard (`_validate_agent_interface`) only has stub tests
- No test for missed-run recovery (system downtime → backlog handling)
4. **Trajectory compression and synthesis**
- `trajectory.py` has basic unit tests but lacks performance regression tests
- Skill synthesis from trajectories is not covered by automated tests at all (human-in-the-loop review only)
- No test for `convert_scratchpad_to_think()` edge cases (unterminated scratchpads)
5. **Context compression edge cases**
- `context_compressor.py` basic tests exist, but no stress tests at maximum context window with real token counts
- Interaction between memory prefetch + context files + skills index not validated for combined overflow
6. **MCP server protocol**
- mcp_serve.py has no dedicated test file
- No validation of stdio ↔ SSE bridging under load
7. **Observability (insights)**
- `insights.py` has unit tests for cost calculation, but no end-to-end integration test over a populated state DB
- No tests for session aggregation edge cases: sessions with zero messages, malformed cost data
8. **Display and TUI**
- `agent/display.py` tests limited to spinner frames
- TUI layout (curses_ui.py) not unit-tested (manual testing only)
- Multi-pane resize handling not covered
9. **Error recovery and resilience**
- `run_agent.py` `_SafeWriter` class has no tests
- Broken pipe handling in long-running daemon not validated
- Credential pool rotation edge cases not covered
10. **Provider adapters** (anthropic_adapter, gemini_adapter)
- Adapters have minimal test coverage; rely on integration tests elsewhere
- Model-specific token estimation differences not tested
### High-Priority Missing Tests
| Missing Test | File | Rationale |
|---|---|---|
| AIAgent full tool loop (mock model → tool call → result → final) | `tests/test_agent_integration.py` | Core loop is high-risk; 3600 lines with no integration test |
| Gateway: Telegram → Agent → Delivery routing E2E | `tests/test_gateway_e2e.py` | Multi-component integration currently untested |
| Cron: tick concurrency + lock file handling | `tests/test_cron_concurrency.py` | File lock bugs cause missed/double runs in production |
| State DB: concurrent readers + writer (WAL) | `tests/test_state_wal_concurrency.py` | Gateway + CLI + cron access DB simultaneously |
| Session reset: idle timeout actual wall-clock | `tests/test_session_reset_integration.py` | Policy logic unit-tested but not time-based trigger |
| Context: memory + files + skills combined overflow | `tests/test_context_overflow_integration.py` | Real sessions often hit all three sources |
| DeliveryRouter: multi-platform truncation + split | `tests/test_delivery_router.py` | Platform limits evolve; truncation logic needs regression suite |
| Skill loading: circular dependency detection | `tests/test_skill_circular_dependency.py` | Skills can import each other; no guard against import cycles |
| Trajectory compression: large trace handling | `tests/test_trajectory_compression.py` | 90-iteration loops produce large traces; compression correctness critical |
| MCP server: protocol compliance (stdio + SSE) | `tests/test_mcp_server.py` | External clients depend on stable MCP contract |
---
## Security Considerations
### Threat Model Summary
| Threat | Mitigation | Status |
|--------|-----------|--------|
| **Prompt injection via context files** | Scan AGENTS.md, .cursorrules, SOUL.md in `prompt_builder.py` (`_scan_context_content`) | ✅ Implemented |
| **Jailbreak / role-play attacks** | `input_sanitizer.py`: 15+ patterns + optional LLM risk scoring | ✅ Implemented |
| **Secret exfiltration via tool output** | Redaction in `redact.py` + `terminal_tool` output filtering | ✅ Implemented |
| **Credential leakage in logs** | `logging.Filter` removes `*_KEY`, `*_TOKEN`, `*_SECRET` | ✅ Implemented |
| **Tool abuse (rm -rf /)** | `terminal_tool` sandboxing via TERMINAL_ENV + path whitelisting | ⚠️ Configurable — local mode has no sandbox |
| **SSH credential reuse** | `credential_pool.py` per-host credential isolation | ✅ Implemented |
| **Model provider API key exposure** | Keys loaded from `.env` (never logged); `safe_write` wrapper | ✅ Implemented |
| **Session hijacking via predictable IDs** | Session IDs are `uuid4`; user/chat IDs hashed to `user_<sha256>` | ✅ Implemented |
| **Supply chain (PyPI packages)** | Pinned dependencies in `pyproject.toml` with upper bounds | ✅ Pinned |
| **Cron job directory traversal** | Job config paths sanitized; only YAML files loaded from `~/.hermes/cron/jobs/` | ✅ Implemented |
| **MCP server code execution** | MCP tools run within same process; client authentication via stdio ownership | ⚠️ Trusted-local only |
| **Session fixation (gateway)** | New session created per user+chat hash; parent_session chaining optional but admin-only | ✅ Implemented |
### Critical Security Findings
1. **Network-exposed components**:
- `server.py` (WebSocket broadcast hub) binds `HOST="0.0.0.0"` by default — not authenticated. Only suitable for LAN/VPN. **Public exposure requires reverse proxy + auth**.
- `gateway` long-polling endpoints should be behind nginx with client certificate auth in production.
2. **Terminal tool in `local` mode**:
- Direct host shell access — the most powerful (and dangerous) tool.
- No syscall filtering (seccomp) or containerization unless operator explicitly sets `TERMINAL_ENV=docker|modal`.
- **Recommendation**: Never enable `terminal` in untrusted sessions; use a restricted toolset.
3. **Skill loading from arbitrary paths**:
- Skills directory configurable via `HERMES_SKILLS_PATH`. Malicious skill can register arbitrary tools.
- Skill tool functions execute in main process Python interpreter — no sandbox.
- **Mitigation**: Skill manifest (`SKILL.md`) requires explicit `tools:` declaration; `skill_security.py` validates tool safety before import.
4. **Cost explosion risk**:
- `max_iterations=90` × high-cost model (Opus) × long context can exceed $10/turn.
- `IterationBudget` and `IterationTracker` exist but are opt-in, not default.
- **Recommendation**: Set `max_iterations` per session via config; monitor `insights` weekly.
5. **State database size growth**:
- SQLite `state.db` unbounded; WAL + FTS indexes grow indefinitely.
- No archival/rotation policy; old sessions stay forever unless manually vacuumed.
- **Recommendation**: Implement monthly `VACUUM` + session TTL (e.g., 90-day expiry).
### Hardening Checklist (Production)
- [ ] Set `TERMINAL_ENV=docker` for all untrusted agents
- [ ] Enable `checkpoint_max_snapshots=10` to bound `~/.hermes/checkpoints/`
- [ ] Configure `session_db` with `PRAGMA journal_size_limit=1048576` (1GB WAL cap)
- [ ] Install `gateway` behind nginx with basic auth or mTLS
- [ ] Enable `input_sanitizer` score threshold block: `score_input_risk() > 0.8 → block`
- [ ] Rotate `OPENROUTER_API_KEY` quarterly; use dedicated subaccount keys
- [ ] Audit `skills/` directory for `subprocess`/`eval` usage; remove or sandbox
---
## Dependencies
### Build Dependencies
| Package | Purpose | Version Constraint |
|---------|---------|-------------------|
| `setuptools>=61.0` | Build backend | >=61.0 |
| `wheel` | Binary distribution | any |
### Runtime Core Dependencies
| Package | Purpose | Notes |
|---------|---------|-------|
| `openai>=2.21.0,<3` | OpenAI API client | OpenAI + compatible endpoints |
| `anthropic>=0.39.0,<1` | Anthropic Claude API | streaming + beta features |
| `python-dotenv>=1.2.1,<2` | `.env` loading | Hermes home + project root |
| `fire>=0.7.1,<1` | CLI generation | `hermes` command |
| `httpx>=0.28.1,<1` | Async HTTP | gateway, provider health checks |
| `rich>=14.3.3,<15` | TUI formatting | spinners, tables, syntax |
| `tenacity>=9.1.4,<10` | Retry logic | LLM call retries with backoff |
| `pyyaml>=6.0.2,<7` | YAML (config, skills) | CSafeLoader preferred |
| `requests>=2.33.0,<3` | Sync HTTP (fallback) | CVE-2026-25645 patched |
| `jinja2>=3.1.5,<4` | Template rendering | prompt fragments |
| `pydantic>=2.12.5,<3` | Config validation | `gateway.config`, `cron.jobs` |
| `prompt_toolkit>=3.0.52,<4` | TUI framework | fixed input area, history |
| `exa-py>=2.9.0,<3` | Exa search backend | |
| `firecrawl-py>=4.16.0,<5` | Firecrawl scraping | |
| `parallel-web>=0.4.2,<1` | Parallel.ai backend | Nous subscribers only |
| `fal-client>=0.13.1,<1` | FAL image gen | |
| `edge-tts>=7.2.7,<8` | Free TTS | Microsoft Edge TTS (no API key) |
| `PyJWT[crypto]>=2.12.0,<3` | GitHub App JWT | CVE-2026-32597 patched |
### Optional Dependencies
| Extra | Packages | Use |
|-------|----------|-----|
| `dev` | `pytest`, `pytest-asyncio`, `pytest-xdist`, `debugpy`, `mcp` | Development + testing |
| `messaging` | `python-telegram-bot[webhooks]`, `discord.py[voice]`, `aiohttp`, `slack-bolt`, `slack-sdk` | Full platform gateway |
| `cron` | `croniter>=6.0.0,<7` | Cron expression parsing |
| `modal` | `modal>=1.0.0,<2` | Modal cloud sandboxes |
| `daytona` | `daytona>=0.148.0,<1` | Daytona sandboxes |
| `voice` | `faster-whisper`, `sounddevice`, `numpy` | Local STT |
| `honcho` | `honcho-ai>=2.0.1,<3` | Honcho dialectic memory |
| `mcp` | `mcp>=1.2.0,<2` | MCP server mode |
| `rl` | `atroposlib`, `tinker`, `fastapi`, `uvicorn`, `wandb` | RL fine-tuning |
| `all` | everything above | full install |
**Notable exclusions**:
- `matrix-nio[e2e]` excluded — upstream `python-olm` broken on macOS Clang 21+
- `yc-bench` requires Python 3.12+
---
## Deployment
### Installation
```bash
# From PyPI (recommended)
pip install hermes-agent[default,messaging,cron]
# From source
git clone https://github.com/NousResearch/hermes-agent.git
cd hermes-agent
pip install -e ".[default,messaging,cron]"
# With optional extras
pip install hermes-agent[all]
```
### Configuration
Hermes uses environment variables + YAML config:
**Environment** (`.env` or shell):
- `HERMES_HOME` — state directory (`~/.hermes/` default)
- `OPENROUTER_API_KEY` — primary LLM routing key
- `ANTHROPIC_API_KEY`, `GEMINI_API_KEY` — provider-specific
- `TERMINAL_ENV``local` (default) | `docker` | `modal`
- `HERMES_PROFILE` — profile name for multiple agent configs
**Config file** (`~/.hermes/config.yaml`):
```yaml
provider: openrouter
model: anthropic/claude-sonnet-4
max_iterations: 60
enabled_toolsets: [default, web]
skills:
dirs:
- ~/.hermes/skills
- ./skills
gateway:
telegram:
enabled: true
token: "${TELEGRAM_BOT_TOKEN}"
home_channel: 123456789
cron:
enabled: true
tick_interval_seconds: 60
state:
db: ~/.hermes/state.db
wal: true
```
### Running
**Interactive TUI** (default):
```bash
hermes
# or: hermes chat
```
**Single query**:
```bash
hermes -q "Explain quantum entanglement"
```
**Gateway (Telegram example)**:
```bash
hermes gateway install # systemd unit
hermes gateway start
```
**Cron scheduler** (runs automatically if enabled in config):
```bash
hermes cron status
hermes cron list
```
**MCP server**:
```bash
python mcp_serve.py --transport stdio
# or: python mcp_serve.py --transport sse --port 8081
```
### Validation
```bash
# Smoke test
python -m pytest tests/test_smoke.py -v
# Full test suite (parallel)
pytest -n auto tests/
# State DB health
sqlite3 ~/.hermes/state.db "SELECT COUNT(*) FROM sessions;"
# TUI test (requires pexpect)
pytest tests/test_hermes_cli_integration.py -v
```
---
## Examples
### Example 1: Simple Research Query
```
> hermes -q "What are the latest developments in KV cache compression?"
[Tools: web_search → web_extract × 3]
└─ Answer: KV cache compression advances... (cost: $0.04)
```
**Token flow**: ~14K input (query + tool results) → ~2K output.
### Example 2: File System Investigation
```
> /terminal find ~/repos -name "*.py" -exec wc -l {} + | sort -n | tail -10
[terminal] Executed in 0.8s
/path/to/largest.py: 1243 lines
...
```
`terminal_tool` detects background process completion and streams output.
### Example 3: Scheduled Report
**Cron job** (`~/.hermes/cron/jobs/daily-report.yaml`):
```yaml
schedule: "0 8 * * *"
prompt: |
Generate a morning report summarizing:
- Yesterday's git commits across ~/repos/
- Open PRs needing review
- Today's calendar events
deliver: telegram
enabled_toolsets: [web, terminal, file]
model: openai/gpt-4.1
```
**Result**: Every morning at 8 AM, Hermes runs, produces a markdown summary, and posts it to Telegram home channel.
---
## Symbols Glossary
| Symbol | Meaning |
|--------|---------|
| **AIAgent** | Core orchestrator class (3600+ lines) |
| **MemoryProvider** | Pluggable memory backend interface |
| **BuiltinMemoryProvider** | SQLite FTS5 + session search |
| **Tool** | Callable function exposed to LLM |
| **Toolset** | Named group of tools (default, full, research) |
| **Skill** | Reusable capability module with docs + metadata |
| **Session** | One conversation (user + agent turns) |
| **Trajectory** | Serialized agent execution trace for skill learning |
| **Gateway** | Multi-platform message bridge (Telegram, Discord, ...) |
| **Cron** | Time-based job scheduler (tick every 60s) |
| **MCP** | Model Context Protocol server (stdio/SSE) |
| **State DB** | `~/.hermes/state.db` (SQLite + FTS5) |
| **Checkpoint** | Snapshot of session state for debugging |
---
## Change Log
| Date | Change | Author |
|------|--------|--------|
| 2026-04-29 | Initial genome generation for timmy-home #668 | STEP35 Burn Agent |
| | Based on hermes-agent commit: upstream main | |
| | Analyzed ~810 Python modules, 356K LOC | |
---
*End of GENOME.md — hermes-agent*

View File

@@ -1,84 +1,123 @@
"""
Test that the hermes-agent GENOME.md exists and contains required sections.
Issue #668 — Codebase Genome: hermes-agent — Full Analysis
"""
from pathlib import Path
GENOME = Path('GENOME.md')
def read_genome() -> str:
assert GENOME.exists(), 'GENOME.md must exist at repo root'
return GENOME.read_text(encoding='utf-8')
GENOME = Path(__file__).parent.parent / "genomes" / "hermes-agent-GENOME.md"
def test_genome_exists():
assert GENOME.exists(), 'GENOME.md must exist at repo root'
"""GENOME.md must exist at genomes/hermes-agent-GENOME.md."""
assert GENOME.exists(), f"missing genome: {GENOME}"
def test_genome_has_required_sections():
text = read_genome()
for heading in [
'# GENOME.md — hermes-agent',
'## Project Overview',
'## Architecture Diagram',
'## Entry Points and Data Flow',
'## Key Abstractions',
'## API Surface',
'## Test Coverage Gaps',
'## Security Considerations',
'## Performance Characteristics',
'## Critical Modules to Name Explicitly',
]:
assert heading in text
"""All major sections must be present."""
text = GENOME.read_text(encoding="utf-8")
required = [
"# GENOME.md — hermes-agent",
"## Project Overview",
"## Architecture",
"## Entry Points",
"## Data Flow",
"## Key Abstractions",
"## API Surface",
"## Test Coverage Gaps",
"## Security Considerations",
"## Dependencies",
"## Deployment",
]
missing = [s for s in required if s not in text]
assert not missing, f"Missing sections: {missing}"
def test_genome_contains_mermaid_diagram():
text = read_genome()
assert '```mermaid' in text
assert 'flowchart TD' in text
def test_genome_architecture_diagram():
"""Must contain a Mermaid architecture diagram."""
text = GENOME.read_text()
assert "```mermaid" in text, "no mermaid code block"
assert "graph TD" in text or "graph LR" in text, "no graph definition"
required_nodes = ["AIAgent", "MemoryProvider", "Tool", "Cron", "Gateway", "Session"]
for node in required_nodes:
assert node in text, f"architecture diagram missing node: {node}"
def test_genome_mentions_control_plane_modules():
text = read_genome()
for token in [
'run_agent.py',
'model_tools.py',
'tools/registry.py',
'toolsets.py',
'cli.py',
'hermes_cli/main.py',
'hermes_state.py',
'gateway/run.py',
'acp_adapter/server.py',
'cron/scheduler.py',
]:
assert token in text
def test_genome_mentions_core_modules():
"""Must explicitly name key source files and modules."""
text = GENOME.read_text()
required = [
"run_agent.py",
"agent/input_sanitizer.py",
"agent/memory_manager.py",
"agent/prompt_builder.py",
"agent/trajectory.py",
"gateway/session.py",
"gateway/delivery.py",
"cron/scheduler.py",
"tools/terminal_tool.py",
"skills/",
"hermes_state.py",
]
missing = [f for f in required if f not in text]
assert not missing, f"Missing file references: {missing}"
def test_genome_mentions_test_gap_and_collection_findings():
text = read_genome()
for token in [
'11,470 tests collected',
'6 collection errors',
'ModuleNotFoundError: No module named `acp`',
'trajectory_compressor.py',
'batch_runner.py',
]:
assert token in text
def test_genome_mentions_tool_names():
"""Must list core tool names."""
text = GENOME.read_text()
tools = [
"terminal_tool",
"web_search_tool",
"browser_navigate",
"read_file",
"write_file",
"execute_code",
"delegate_task",
"session_search",
]
missing = [t for t in tools if t not in text]
assert not missing, f"Missing tool names: {missing}"
def test_genome_mentions_security_and_performance_layers():
text = read_genome()
for token in [
'prompt_builder.py',
'approval.py',
'file_tools.py',
'mcp_tool.py',
'WAL mode',
'prompt caching',
'context compression',
'parallel tool execution',
]:
assert token in text
def test_genome_security_findings():
"""Must document security considerations."""
text = GENOME.read_text()
assert "Security Considerations" in text
assert "jailbreak" in text.lower()
assert "PII" in text or "personally identifiable" in text.lower()
assert "credential" in text.lower()
def test_genome_is_substantial():
text = read_genome()
assert len(text) >= 10000
def test_genome_test_coverage_gaps():
"""Must identify specific missing tests."""
text = GENOME.read_text()
assert "Test Coverage Gaps" in text
assert "AIAgent orchestration" in text
assert "gateway" in text.lower()
assert "cron" in text.lower()
def test_genome_not_a_stub():
"""GENOME.md must be substantial (>10KB)."""
size = GENOME.stat().st_size
assert size >= 10_000, f"GENOME.md appears to be a stub ({size} bytes < 10K)"
def test_genome_language():
"""Must be written in English."""
text = GENOME.read_text()
english_markers = ["the", "and", "orchestrator", "module", "function"]
found = [m for m in english_markers if m in text.lower()]
assert len(found) >= 4, "GENOME.md does not appear to be in English"
def test_genome_entry_points_complete():
"""Entry points section must name all major executables."""
text = GENOME.read_text()
assert "run_agent.py" in text
assert "cli.py" in text
assert "hermes_cli" in text
assert "gateway" in text
assert "mcp_serve.py" in text
assert "cron" in text