by Magma1321
Finish-First Autonomous Agent Loop for Claude Opus 4.7 – 2026 Edition
# Add to your Claude Code skills
git clone https://github.com/Magma1321/mythos-agent-pipeGuides for using ai agents skills like mythos-agent-pipe.
mythos-agent-pipe is an open-source ai agents skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by Magma1321. Finish-First Autonomous Agent Loop for Claude Opus 4.7 – 2026 Edition. It has 74 GitHub stars.
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Clone the repository with "git clone https://github.com/Magma1321/mythos-agent-pipe" and add it to your Claude Code skills directory (see the Installation section above).
mythos-agent-pipe is primarily written in HTML. It is open-source under Magma1321 on GitHub, so you can review or fork the full source.
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The Mythos-Harness is not just another CI/CD pipeline or agent orchestration tool. It is a philosophical shift in how code gets from concept to production. Imagine a master craftsman who plans the work, shapes the materials, tests the integrity of every joint, and personally delivers the finished piece to the client. That is precisely what Mythos-Harness does for Claude Opus 4.7—it transforms the AI from a passive suggestion engine into an autonomous architect and executor.
In a world of fragmented toolchains, endless handoffs, and broken integrations, Mythos-Harness stands alone as a "finish-first" assembly line. It starts with a blueprint, moves through execution with surgical precision, validates every output against known constraints, and finally ships the artifact to its destination. No waiting. No babysitting. No manual intervention.
Mythos-Harness is an agent loop design optimized for Claude Opus 4.7's unique reasoning capabilities. It treats each project as a living mythos—a narrative that unfolds from idea to deployment. The harness provides structure without rigidity, allowing the model to explore creative solutions while maintaining strict quality gates.
Core Philosophy: Plan before you cut. Verify before you ship. Finish before you celebrate.
Built for teams that value shipping velocity over feature creep, Mythos-Harness reduces cognitive load on developers by letting Claude Opus 4.7 handle the execution minutiae. You describe the desired outcome once; the harness decomposes the problem, executes the steps, runs validations, and presents a shippable artifact.
| Feature | Description |
|---|---|
| Plan Phase | Automatic decomposition of high-level goals into actionable sub-tasks |
| Execute Phase | Claude Opus 4.7 runs each sub-task with full context retention |
| Verify Phase | Automated validation against pre-defined success criteria |
| Ship Phase | Artifact packaging and delivery to configurable endpoints |
| Responsive UI | Real-time status dashboard with WebSocket updates |
| Multilingual Support | Full Unicode compatibility, including RTL scripts |
| 24/7 Customer Support | AI-powered ticket triage with human escalation fallback |
Mythos-Harness follows a four-phase loop, repeated until a complete shippable artifact is produced:
The harness receives a high-level objective (e.g., "Build a REST API for invoice management"). Claude Opus 4.7 generates a structured plan consisting of modular tasks. Each task includes:
Tasks are executed in dependency order. The harness maintains a session context that accumulates results. Claude Opus 4.7 can request filesystem operations, API calls, or code generation. All actions are logged with timestamps and execution metrics.
Each completed task undergoes automated verification:
If any verification fails, the harness enters a remediation loop: Claude Opus 4.7 receives the failure details, proposes a fix, and the task is re-executed. The loop repeats until verification passes or a retry limit is reached.
Once all tasks pass verification, the harness bundles the output into a shippable artifact. This can be:
Mythos-Harness uses a modular plugin architecture. Core components:
Orchestrator – Central loop manager that coordinates phases, tracks state, and handles error recovery.
Context Engine – Maintains a persistent working memory across sessions, allowing Claude Opus 4.7 to resume interrupted workflows.
Verification Grid – Configurable test harness for task output validation. Supports custom plugins.
Pipeline Adapter – Transforms artifact output into delivery formats (Git, S3, Slack, email, etc.).
The system is stateless by design—state is stored externally in a configurable backend (local filesystem, Redis, or PostgreSQL). This enables horizontal scaling and fault tolerance.
Define the tool's behavior as a natural language specification. Mythos-Harness generates source code, writes unit tests, creates documentation, and pushes a release to PyPI or npm.
Describe endpoints, data models, and business logic. The harness produces Dockerfiles, Kubernetes manifests, CI configuration, and API documentation.
Supply source data and expected output schema. The harness writes transformation scripts, validates outputs, and deploys to a scheduled job runner.
Provide query templates and visualization preferences. Mythos-Harness executes queries, creates charts, assembles PDF exports, and emails reports on a schedule.
Configuration is handled via a single YAML file placed in the project root. Key sections include:
orin:
model: claude-opus-4.7
max_turns: 100
verification_strictness: high
retry_limit: 3
artifact_format: zip
pipeline:
deliver_to:
- type: git
branch: main
commit_message: "Auto-ship by Mythos-Harness"
- type: webhook
url: https://example.com/shipments
context_store:
backend: local
path: ./harness_state
(Note: The YAML example above uses standard indentation—backtick formatting included for clarity.)
Built-in verification modules come pre-configured. Custom rules can be added as Python classes inheriting from VerificationModule.
| Rule | Description |
|---|---|
| Structure Check | Ensures output matches expected file/folder layout |
| Syntax Lint | Language-specific syntax validation (Python, JS, Go, etc.) |
| Type Coherence | Checks variable types and function signatures match declarations |
| Test Execution | Runs provided unit tests and reports pass/fail |
| Performance Threshold | Measures execution time or memory usage and flags outliers |
Mythos-Harness is designed for throughput, not latency. Each phase introduces overhead proportional to the complexity of the task. For trivial tasks (single file copy, one-line edits), the harness may feel slower than a direct execution. The value emerges when the task requires multi-step reasoning, dependency resolution, and quality gates.
Benchmarking on typical software projects (REST API, CLI tool, data pipeline) shows:
The plugin architecture allows extensive customization without forking:
We provide 24/7 customer support through a two-tier system:
All support requests are logged and tracked through the included ticketing system, which syncs with GitHub Issues and Slack.
This project is distributed under the MIT License. You are free to use, modify, and distribute the software for any purpose, provided that the original copyright notice and permission notice are included in all copies or substantial portions of the software.
Mythos-Harness operates by executing code and commands as directed b