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Hermes Pipeline 1da16b4e22 Add Skill: text-concatenation-workflow
Extracted from: https://github.com/temiroff/Blacknode.git
Score: 1.0
2026-08-08 23:06:53 +00:00
9 changed files with 107 additions and 159 deletions
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---
name: graph-based-node-orchestration
version: 1.0.0
description: Build a typed node graph that processes data through a sequence of operations
and produces a final result
inputs:
- NIM_MODEL constant (e.g., 'nim:meta/llama-3.1-8b-instruct') for the LLM model
- blacknode package with Graph, Node, and cook functionality
- Python script defining node types with inputs/outputs and connecting them via edges
steps:
- Import required modules (blacknode as bn, NIM_MODEL) and ensure API keys are available
via require_nim_api_key()
- Create a bn.Graph() instance to hold all nodes and their connections
- Define individual nodes with specific input/output parameters (e.g., Text node with
'value' input, LLMAgent node with model parameter, Output node with 'value' output)
- Connect nodes together using edge definitions (from_port -> to_port) to establish
data flow
- Execute the graph using g.cook() to run the pipeline and process data through the
node chain
- Extract the final result from the output node to complete the workflow
outputs:
- A fully constructed graph with typed nodes and defined connections
- Executed result (e.g., processed text, summary, or other output) from the final
node
- A reusable pattern that can be adapted to different models, hardware, or task types
tags: []
metadata:
source_repo: https://github.com/temiroff/Blacknode.git
extracted_at: ''
confidence: 0.95
---
# graph-based-node-orchestration
Build a typed node graph that processes data through a sequence of operations and produces a final result
## Setup
**Dependencies:**
```text
pip install blacknode >= 0.3.0 Python >= 3.11 NVIDIA NIM API key (optional but recommended) Anthropic, OpenAI, or other LLM models
```
**Setup steps:**
1. Clone the repository and install dependencies: pip install -e .
1. Set NVIDIA_API_KEY or other required API keys in .env
1. Run the example script: python examples/hello_agent.py
1. For production, configure hardware pairing and deploy via the blacknode CLI
## Key Files
- `examples/converted_nvidia_nim.py - Full graph with Model, Text, LLMAgent, Output nodes`
- `examples/hello_agent.py - Minimal agent example connecting Literal → LLMAgent → Print`
- `blacknode/core - Graph and node implementation (internal)`
## Steps
1. Import required modules (blacknode as bn, NIM_MODEL) and ensure API keys are available via require_nim_api_key()
2. Create a bn.Graph() instance to hold all nodes and their connections
3. Define individual nodes with specific input/output parameters (e.g., Text node with 'value' input, LLMAgent node with model parameter, Output node with 'value' output)
4. Connect nodes together using edge definitions (from_port -> to_port) to establish data flow
5. Execute the graph using g.cook() to run the pipeline and process data through the node chain
6. Extract the final result from the output node to complete the workflow
## Implementation Details
```python
g = bn.Graph()
```
```python
model = g.node('Model', **{'value': 'nim:meta/llama-3.1-8b-instruct'})
```
```python
agent = g.node('LLMAgent', **{model})
```
```python
result = g.cook(output, 'value')
```
## Inputs
- NIM_MODEL constant (e.g., 'nim:meta/llama-3.1-8b-instruct') for the LLM model
- blacknode package with Graph, Node, and cook functionality
- Python script defining node types with inputs/outputs and connecting them via edges
## Outputs
- A fully constructed graph with typed nodes and defined connections
- Executed result (e.g., processed text, summary, or other output) from the final node
- A reusable pattern that can be adapted to different models, hardware, or task types
## Failure Modes
- Missing or invalid API key (NIM_API_KEY, OPENAI_API_KEY) causing require_nim_api_key() to fail
- Type mismatch in node connections (e.g., expecting 'value' but receiving 'text') breaking the data flow
- Model not available or unreachable (NIM_MODEL not found) causing the LLMAgent node to fail
- Graph execution error due to incorrect edge configuration or circular dependencies
- Resource exhaustion (e.g., GPU memory) when processing large inputs in the pipeline
## Source
Extracted from: [https://github.com/temiroff/Blacknode.git](https://github.com/temiroff/Blacknode.git)
Confidence: 0.95
@@ -1,6 +0,0 @@
# Commands: graph-based-node-orchestration
## Available Commands
- `/skill graph-based-node-orchestration` — Load this skill
- `/run graph-based-node-orchestration` — Execute workflow
@@ -1,10 +0,0 @@
# Examples: graph-based-node-orchestration
## Usage Example
```python
# How to use this skill
# Inputs: NIM_MODEL constant (e.g., 'nim:meta/llama-3.1-8b-instruct') for the LLM model, blacknode package with Graph, Node, and cook functionality, Python script defining node types with inputs/outputs and connecting them via edges
# Process: Import required modules (blacknode as bn, NIM_MODEL) and ensure API keys are available via require_nim_api_key() → Create a bn.Graph() instance to hold all nodes and their connections → Define individual nodes with specific input/output parameters (e.g., Text node with 'value' input, LLMAgent node with model parameter, Output node with 'value' output)
# Outputs: A fully constructed graph with typed nodes and defined connections, Executed result (e.g., processed text, summary, or other output) from the final node, A reusable pattern that can be adapted to different models, hardware, or task types
```
@@ -1,34 +0,0 @@
{
"name": "graph-based-node-orchestration",
"version": "1.0.0",
"goal": "Build a typed node graph that processes data through a sequence of operations and produces a final result",
"inputs": [
"NIM_MODEL constant (e.g., 'nim:meta/llama-3.1-8b-instruct') for the LLM model",
"blacknode package with Graph, Node, and cook functionality",
"Python script defining node types with inputs/outputs and connecting them via edges"
],
"steps": [
"Import required modules (blacknode as bn, NIM_MODEL) and ensure API keys are available via require_nim_api_key()",
"Create a bn.Graph() instance to hold all nodes and their connections",
"Define individual nodes with specific input/output parameters (e.g., Text node with 'value' input, LLMAgent node with model parameter, Output node with 'value' output)",
"Connect nodes together using edge definitions (from_port -> to_port) to establish data flow",
"Execute the graph using g.cook() to run the pipeline and process data through the node chain",
"Extract the final result from the output node to complete the workflow"
],
"outputs": [
"A fully constructed graph with typed nodes and defined connections",
"Executed result (e.g., processed text, summary, or other output) from the final node",
"A reusable pattern that can be adapted to different models, hardware, or task types"
],
"failure_modes": [
"Missing or invalid API key (NIM_API_KEY, OPENAI_API_KEY) causing require_nim_api_key() to fail",
"Type mismatch in node connections (e.g., expecting 'value' but receiving 'text') breaking the data flow",
"Model not available or unreachable (NIM_MODEL not found) causing the LLMAgent node to fail",
"Graph execution error due to incorrect edge configuration or circular dependencies",
"Resource exhaustion (e.g., GPU memory) when processing large inputs in the pipeline"
],
"confidence": 0.95,
"explanation": "This workflow demonstrates a declarative graph-based orchestration pattern where nodes are connected via explicit ports and data flows through the graph. The pattern is highly reusable across different domains (robotics, research, data processing) because it separates graph structure from execution logic. The same graph construction and cook pattern can be adapted to different models (NIM, Anthropic, OpenAI), hardware targets (CPU, GPU, Jetson), and task types (LLM reasoning, file I/O, sensor processing).",
"source_repo": "https://github.com/temiroff/Blacknode.git",
"score": 1.0
}
@@ -0,0 +1,59 @@
---
name: text-concatenation-workflow
version: 1.0.0
description: Concatenate two text strings and produce the combined output.
inputs:
- text_a (string)
- text_b (string)
steps:
- Create a Text node with value set to input text_a.
- Create a second Text node with value set to input text_b.
- Create a Concat node with inputs a and b.
- Create an Output node.
- Connect Text node a 'value' port to Concat node 'a' port.
- Connect Text node b 'value' port to Concat node 'b' port.
- Connect Concat node 'value' port to Output node 'value' port.
- Execute/cook the graph from the Output node to obtain the result.
outputs:
- concatenated_text (string)
tags: []
metadata:
source_repo: https://github.com/temiroff/Blacknode.git
extracted_at: ''
confidence: 0.95
---
# text-concatenation-workflow
Concatenate two text strings and produce the combined output.
## Steps
1. Create a Text node with value set to input text_a.
2. Create a second Text node with value set to input text_b.
3. Create a Concat node with inputs a and b.
4. Create an Output node.
5. Connect Text node a 'value' port to Concat node 'a' port.
6. Connect Text node b 'value' port to Concat node 'b' port.
7. Connect Concat node 'value' port to Output node 'value' port.
8. Execute/cook the graph from the Output node to obtain the result.
## Inputs
- text_a (string)
- text_b (string)
## Outputs
- concatenated_text (string)
## Failure Modes
- Missing or invalid text inputs.
- Graph execution error if nodes are not properly connected.
- Concat node may not handle non-string types.
## Source
Extracted from: [https://github.com/temiroff/Blacknode.git](https://github.com/temiroff/Blacknode.git)
Confidence: 0.95
@@ -0,0 +1,6 @@
# Commands: text-concatenation-workflow
## Available Commands
- `/skill text-concatenation-workflow` — Load this skill
- `/run text-concatenation-workflow` — Execute workflow
@@ -0,0 +1,10 @@
# Examples: text-concatenation-workflow
## Usage Example
```python
# How to use this skill
# Inputs: text_a (string), text_b (string)
# Process: Create a Text node with value set to input text_a. → Create a second Text node with value set to input text_b. → Create a Concat node with inputs a and b.
# Outputs: concatenated_text (string)
```
@@ -0,0 +1,31 @@
{
"name": "text-concatenation-workflow",
"version": "1.0.0",
"goal": "Concatenate two text strings and produce the combined output.",
"inputs": [
"text_a (string)",
"text_b (string)"
],
"steps": [
"Create a Text node with value set to input text_a.",
"Create a second Text node with value set to input text_b.",
"Create a Concat node with inputs a and b.",
"Create an Output node.",
"Connect Text node a 'value' port to Concat node 'a' port.",
"Connect Text node b 'value' port to Concat node 'b' port.",
"Connect Concat node 'value' port to Output node 'value' port.",
"Execute/cook the graph from the Output node to obtain the result."
],
"outputs": [
"concatenated_text (string)"
],
"failure_modes": [
"Missing or invalid text inputs.",
"Graph execution error if nodes are not properly connected.",
"Concat node may not handle non-string types."
],
"confidence": 0.95,
"explanation": "Extracted from examples/converted_text_pipeline.py which demonstrates a simple Blacknode graph workflow: two Text nodes feed a Concat node that outputs via an Output node. This pattern is reusable for any text combination task.",
"source_repo": "https://github.com/temiroff/Blacknode.git",
"score": 1.0
}
@@ -1,4 +1,4 @@
# Tests: graph-based-node-orchestration # Tests: text-concatenation-workflow
## Test Checklist ## Test Checklist