aia is a command-line utility that facilitates interaction with AI models. It automates the management of pre-compositional prompts and executes generative AI (Gen-AI) commands on those prompts taking advantage of modern LLMs increased context window size.
It leverages the prompt_manager gem to manage prompts for the mods and sgpt CLI utilities. It utilizes "ripgrep" for searching for prompt files. It uses fzf for prompt selection based on a search term and fuzzy matching.
Most Recent Change: Refer to the Changelog
Just an FYI ... I am working in the
developbranch to drop the dependency on backend LLM processors like mods and llm. I'm refactor aia to use my own universal client gem called ai_client which gives access to all models and all providers.
Install the gem by executing:
gem install aia
Install the command-line utilities by executing:
brew install mods fzf ripgrep
You will also need to establish a directory in your file system where your prompt text files, last used parameters and usage log files are kept.
Setup a system environment variable (envar) named "AIA_PROMPTS_DIR" that points to your prompts directory. The default is in your HOME directory named ".prompts". The envar "AIA_ROLES_DIR" points to your role directory where you have prompts that define the different roles you want the LLM to assume when it is doing its work. The default roles directory is inside the prompts directory. Its name is "roles".
You may also want to install the completion script for your shell. To get a copy of the completion script do:
aia --completion bash
fish and zsh are also available.
The usage report obtained using either -h or --help is implemented as a standard man page. You can use both --help --verbose of -h -v together to get not only the aia man page but also the usage report from the backend LLM processing tool.
$ aia --help
The aia configuration defaults can be over-ridden by system environment variables (envars) with the prefix "AIA_" followed by the config item name also in uppercase. All configuration items can be over-ridden in this way by an envar. The following table show a few examples.
| Config Item | Default Value | envar key |
|---|---|---|
| backend | mods | AIA_BACKEND |
| config_file | nil | AIA_CONFIG_FILE |
| debug | false | AIA_DEBUG |
| edit | false | AIA_EDIT |
| extra | '' | AIA_EXTRA |
| fuzzy | false | AIA_FUZZY |
| log_file | ~/.prompts/_prompts.log | AIA_LOG_FILE |
| markdown | true | AIA_MARKDOWN |
| model | gpt-4-1106-preview | AIA_MODEL |
| out_file | STDOUT | AIA_OUT_FILE |
| prompts_dir | ~/.prompts | AIA_PROMPTS_DIR |
| speech_model. | tts-1 | AIA_SPEECH_MODEL |
| verbose | FALSE | AIA_VERBOSE |
| voice | alloy | AIA_VOICE |
See the @options hash in the cli.rb file for a complete list. There are some config items that do not necessarily make sense for use as an envar over-ride. For example if you set export AIA_DUMP_FILE=config.yaml then aia would dump the current configuration config.yaml and exit every time it is ran until you finally unset AIA_DUMP_FILE
In addition to these config items for aia the optional command line parameters for the backend prompt processing utilities (mods and sgpt) can also be set using envars with the "AIA_" prefix. For example "export AIA_TOPP=1.0" will set the "--topp 1.0" command line option for the mods utility when its used as the backend processor.
Using the option --shell enables aia to access your terminal's shell environment from inside the prompt text.
aia can replace any system environment variable (envar) references in the prompt text with the value of the envar. Patterns like $USER and ${USER} in the prompt will be replaced with that envar's value - the name of the user's account. Any envar can be used.
Dynamic content can be inserted into the prompt using the pattern $(shell command) where the output of the shell command will replace the $(...) pattern.
Consider the power to tailoring a prompt to your specific operating system:
As a system administration on a $(uname -v) platform what is the best way to [DO_SOMETHING]
or insert content from a file in your home directory:
Given the following constraints $(cat ~/3_laws_of_robotics.txt) determine the best way to instruct my roomba to clean my kids room.
When you use the --shell option to start a chat session, shell integration is available in your follow up prompts. Suppose you started up a chat session using a roll of "Ruby Expert" expecting to chat about changes that could be made to a specific class BUT you forgot to include the class source file as part of the context when you got started. You could enter this as your follow up prompt to this to keep going:
The class I want to chat about refactoring is this one: $(cat my_class.rb)
That inserts the entire class source file into your follow up prompt. You can continue chatting with you AI Assistant avout changes to the class.
The inclusion of dynamic content through the shell integration provided by the --shell option is significant. aia also provides the full power of embedded Ruby code processing within the prompt text.
The --erb option turns the prompt text file into a fully functioning ERB template. The Embedded Ruby (ERB) template syntax (2024) provides a good overview of the syntax and power of ERB.
Most websites that have information about ERB will give examples of how to use ERB to generate dynamice HTML content for web-based applications. That is a common use case for ERB. aia on the other hand uses ERB to generate dynamic prompt text.
In a chat session whether started by the --chat option or its equivalent with a directive within a prompt text file behaves a little differently w/r/t its binding and local variable assignments. Since a chat session by definition has multiple prompts, setting a local variable in one prompt and expecting it to be available in a subsequent prompt does not work. You need to use instance variables to accomplish this prompt to prompt carry over of information.
Also since follow up prompts are expected to be a single thing - sentence or paragraph - terminated by a single return, its likely that ERB enhance will be of benefit; but, you may find a use for it.
Downstream processing directives were added to the prompt_manager gem used by au at version 0.4.1. These directives are lines in the prompt text file that begin with "//" having this pattern:
//command parameters
There is no space between the "//" and the command.
When you combine prompt directives with prompt parameters and shell envar substitutions you can get some powerful compositional prompts.
Here is an example of a pure generic directive.
//[DIRECTIVE_NAME] [DIRECTIVE_PARAMS]
When the prompt runs, you will be asked to provide a value for each of the parameters. You could answer "shell" for the directive name and "calc 22/7" if you wanted a bad approximation of PI.
Try this prompt file:
//shell calc [FORMULA]
What does that number mean to you?
aia Specific Directive CommandsAt this time aia only has a few directives which are detailed below.
The //config directive within a prompt text file is used to tailor the specific configuration environment for the prompt. All configuration items are available to have their values changed. The order of value assignment for a configuration item starts with the default value which is replaced by the envar value which is replaced by the command line option value which is replaced by the value from the config file.
The //config is the last and final way of changing the value for a configuration item for a specific prompt.
The switch options are treated like booleans. They are either true or false. Their name within the context of a //config directive always ends with a "?" character - question mark.
To set the value of a switch using ``//configfor example--terseor--chat` to this:
//config chat? = true
//config terse? = true
A configuration item such as --out_file or --model has an associated value on the command line. To set that value with the //config directive do it like this:
//config model = gpt-3.5-turbo
//config out_file = temp.md
//config backend = mods
BTW: the "=" is completely options. Its actuall ignored as is ":=" if you were to choose that as your assignment operator. Also the number of spaces between the item and the value is complete arbitrary. I like to line things up so this syntax is just as valie:
//config model gpt-3.5-turbo
//config out_file temp.md
//config backend mods
//config chat? true
//config terse? true
//config model gpt-4
NOTE: if you specify the same config item name more than once within the prompt file, its the last one which will be set when the prompt is finally process through the LLM. For example in the example above gpt-4 will be the model used. Being first does not count in this case.
Example:
//include path_to_file
The path_to_file can be either absolute or relative. If it is relative, it is achored at the PWD. If the path_to_file includes envars, the --shell CLI option must be used to replace the envar in the directive with its actual value.
The file that is included will have any comments or directives excluded. It is expected that the file will be a text file so that its content can be pre-pended to the existing prompt; however, if the file is a source code file (ex: file.rb) the source code will be included HOWEVER any comment line or line that starts with "//" will be excluded.
TODO: Consider adding a command line option --include_dir to specify the place from which relative files are to come.
Example:
//ruby any_code_that_returns_an_instance_of_String
This directive is in addition to ERB. At this point the //ruby directive is limited by the current binding which is within the AIA::Directives#ruby method. As such it is not likely to see much use.
However, sinces it implemented as a simple eval(code) then there is a potential for use like this:
//ruby load(some_ruby_file); execute_some_method
Each execution of a //ruby directive will be a fresh execution of the AIA::Directives#ruby method so you cannot carry local variables from one invocation to another; however, you could do something with instance variables or global variables. You might even add something to the AIA.config object to be pasted on to the next invocation of the directive within the context of the same prompt.
Example:
//shell some_shell_command
It is expected that the shell command will return some text to STDOUT which will be pre-pending to the existing prompt text within the prompt file.
There are no limitations on what the shell command can be. For example if you wanted to bypass the stripping of comments and directives from a file you could do something like this:
//shell cat path_to_file
Which does basically the same thing as the //include directive, except it uses the entire content of the file. For relative file paths the same thing applies. The file's path will be relative to the PWD.
See the source code for the directives supported by the backends which at this time are configuration-based as well.
For example mods has a configuration item topp which can be set by a directive in a prompt text file directly.
//topp 1.5
If mods is not the backend the //topp direcive is ignored.
Whe you are in a chat session, you may use a directive as a follow up prompt. For example if you started the chat session with the option --terse expecting to get short answers from the backend; but, then you decide that you want more comprehensive answers you may do this:
//config terse? false
The directive is executed and a new follow up prompt can be entered with a more lengthy response generated from the backend.
Why would you need/want to use a sequence of prompts in a batch situation. Maybe you have a complex prompt which exceeds the token limitations of your model for input so you need to break it up into multiple parts. Or suppose its a simple prompt but the number of tokens on the output is limited and you do not get exactly the kind of full response for which you were looking.
Sometimes it takes a series of prompts to get the kind of response that you want. The reponse from one prompt becomes a context for the next prompt. This is easy to do within a chat session were you are manually entering and adjusting your prompts until you get the kind of response that you want.
If you need to do this on a regular basis or within a batch you can use aia and the --next and --pipeline command line options.
These two options specify the sequence of prompt IDs to be processed. Both options are available to be used within a prompt file using the //config directive. Like all embedded directives you can take advantage of parameterization shell integration and Ruby. I'm start to feel like TIm Tool man - more power!
Consider the condition in which you have 4 prompt IDs that need to be processed in sequence. The IDs and associated prompt file names are:
| Promt ID | Prompt File |
|---|---|
| one. | one.txt |
| two. | two.txt |
| three. | three.txt |
| four. | four.txt |
export AIA_OUT_FILE=temp.md
aia one --next two
aia three --next four temp.md
or within each of the prompt files you use the config directive:
one.txt contains //config next two
two.txt contains //config next three
three.txt contains //config next four
BUT if you have more than two prompts in your sequence then consider using the --pipeline option.
The directive //next is short for //config next
aia one --pipeline two,three,four
or inside of the one.txt prompt file use this directive:
//config pipeline two,three,four
The directive //pipeline is short for //config pipeline
Since the response of one prompt is fed into the next prompt within the sequence instead of having all prompts write their response to the same out file, use these directives inside the associated prompt files:
| Prompt File | Directive |
|---|---|
| one.txt | //config out_file one.md |
| two.txt | //config out_file two.md |
| three.txt | //config out_file three.md |
| four.txt | //config out_file four.md |
This way you can see the response that was generated for each prompt in the sequence.
TODO: the audio-to-text is still under development.
Suppose you have an audio file of a meeting. You what to get a transcription of what was said in that meeting. Sometimes raw transcriptions hide the real value of the recording so you have crafted a pompt that takes the raw transcriptions and does a technical summary with a list of action items.
Create two prompts named transcribe.txt and tech_summary.txt
# transcribe.txt
# Desc: takes one audio file
# note that there is no "prompt" text only the directive
//config backend client
//config model whisper-1
//next tech_summary
and
# tech_summary.txt
//config model gpt-4-turbo
//config out_file meeting_summary.md
Review the raw transcript of a technical meeting,
summarize the discussion and
note any action items that were generated.
Format your response in markdown.
Now you can do this:
aia transcribe my_tech_meeting.m4a
You summary of the meeting is in the file meeting_summary.md
There are two kinds of prompts
That second kind of prompt is called a role. Sometimes the role is incorporated into the instruction. For example "As a magician make a rabbit appear out of a hat." To reuse the same role in multiple prompts aia encourages you to designate a special roles_dir into which you put prompts that are specific to personification - roles.
The default roles_dir is a sub-directory of the prompts_dir named roles. You can, however, put your roles_dir anywhere that makes sense to you.
The --role option is used to identify a personification prompt within your roles directory which defines the context within which the LLM is to provide its response. The text of the role ID is pre-pended to the text of the primary prompt to form a complete prompt to be processed by the backend.
For example consider:
aia -r ruby refactor my_class.rb
Within the roles directory the contents of the text file ruby.txt will be pre-pre-pended to the contents of the refactor.txt file from the prompts directory to produce a complete prompt. That complete prompt will have any parameters followed by directives processed before sending the combined prompt text to the backend.
Note that --role is just a way of saying add this prompt text file to the front of this other prompt text file. The contents of the "role" prompt could be anything. It does not necessarily have be an actual role.
aia fully supports a directory tree within the prompts_dir as a way of organization or classification of your different prompt text files.
aia -r sw_eng doc_the_methods my_class.rb
In this example the prompt text file $AIA_ROLES_DIR/sw_eng.txt is prepended to the prompt text file $AIA_PROMPTS_DIR/doc_the_methods.txt
Since aia supports parameterized prompts you could make a keyword like "[ROLE]" be part of your prompt. For example consider this prompt:
As a [ROLE] tell me what you think about [SUBJECT]
When this prompt is processed, aia will ask you for a value for the keyword "ROLE" and the keyword "SUBJECT" to complete the prompt. Since aia maintains a history of your previous answers, you could just choose something that you used in the past or answer with a completely new value.
To install the external CLI programs used by aia:
brew install fzf mods rg glow
fzf Command-line fuzzy finder written in Go https://github.com/junegunn/fzf
mods AI on the command-line https://github.com/charmbracelet/mods
rg Search tool like grep and The Silver Searcher https://github.com/BurntSushi/ripgrep
glow Render markdown on the CLI https://github.com/charmbracelet/glow
A text editor whose executable is setup in the system environment variable 'EDITOR' like this:
export EDITOR="subl -w"
llmllm Access large language models from the command-line
| brew install llm
|__ https://llm.datasette.io/
As of aia v0.5.13 the llm backend processor is available in a limited integration. It is a very powerful python-based implementation that has its own prompt templating system. The reason that it is be included within the aia environment is for its ability to make use of local LLM models.
sgptshell-gpt aka sgpt is also a python implementation of a CLI-tool that processes prompts through OpenAI. It has less features than both mods and llm and is less flexible.
plzplz-cli aka plz is not integrated with aia however, it gets an honorable mention for its ability to except a prompt that tailored to doing something on the command line. Its response is a CLI command (sometimes a piped sequence) that accomplishes the task set forth in the prompt. It will return the commands to be executed agaist the data files you specified with a query to execute the command.
You can setup a completion function in your shell that will complete on the prompt_id saved in your prompts_dir - functions for bash, fish and zsh are available. To get a copy of these functions do this:
aia --completion bash
If you're not a fan of "born again" replace bash with one of the others.
Copy the function to a place where it can be installed in your shell's instance. This might be a .profile or .bashrc file, etc.
This is just between you and me so don't go blabbing this around to everyone. My most power prompt is in a file named ad_hoc.txt. It looks like this:
[WHAT NOW HUMAN]
Yep. Just a single parameter for which I can provide a value of anything that is on my mind at the time. Its advantage is that I do not pollute my shell's command history with lots of text.
Which do you think is better to have in your shell's history file?
mods "As a certified public accountant specializing in forensic audit and analysis of public company financial statements, what do you think of mine? What is the best way to hide the millions dracma that I've skimmed?" < financial_statement.txt
or
aia ad_hoc financial_statement.txt
Both do the same thing; however, aia does not put the text of the prompt into the shell's history file.... of course the keyword/parameter value is saved in the prompt's JSON file and the prompt with the response are logged unless --no-log is specified; but, its not messing up the shell history!
I use the bash shell. In my .bashrc file I source another file named .bashrc__aia which looks like this:
# ~/.bashic_aia
# AI Assistant
# These are the defaults:
export AIA_PROMPTS_DIR=~/.prompts
export AIA_OUT_FILE=./temp.md
export AIA_LOG_FILE=$AIA_PROMPTS_DIR/_prompts.log
export AIA_BACKEND=mods
export AIA_MODEL=gpt-4-1106-preview
# Not a default. Invokes spinner.
export AIA_VERBOSE=true
alias chat='aia chat --terse'
# rest of the file is the completion function
Here is what my chat prompt file looks like:
# ~/.prompts/chat.txt
# Desc: Start a chat session
//config chat? = true
[WHAT]
This CLI tool started life as a few lines of ruby in a file in my scripts repo. I just kep growing as I decided to add more capability and more backend tools. There was no real architecture to guide the design. What was left is a large code mess which is slowly being refactored into something more maintainable. That work is taking place in the develop branch. I welcome you help. Take a look at what is going on in that branch and send me a PR against it.
Of course if you see something in the main branch send me a PR against that one so that we can fix the problem for all.
Bug reports and pull requests are welcome on GitHub at https://github.com/MadBomber/aia.
When you find problems with aia please note them as an issue. This thing was written mostly by a human and you know how error prone humans are. There should be plenty of errors to find.
I'm not happy with the way where some command line options for external command are hard coded. I'm specific talking about the way in which the rg and fzf tools are used. There options decide the basic look and feel of the search capability on the command line. Maybe they should be part of the overall configuration so that users can tune their UI to the way they like.
The gem is available as open source under the terms of the MIT License.
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