workflowstacks
ai-agent

Trueforge

The open-source agent harness - the runtime layer that turns an LLM into a working agent.
5,276 stars382 forksTypeScriptUpdated 9/7/2026100% free · open source
What it does

Turns a Large Language Model into a programmable autonomous agent that can run code, call APIs, and maintain state.

When to use it
  • •You need an LLM that can execute multi‑step workflows (e.g., fetch data, run a script, then summarize).
  • •You want to prototype a custom AI‑assistant without building the orchestration layer from scratch.
  • •You have existing TypeScript code or APIs you want the LLM to call directly.
Ready-to-paste prompt
echo "Create a launch checklist for a SaaS product targeting fintech, including legal, security, and marketing tasks" | npx trueforge run --config forge.yaml
Heads up: TrueForge requires a valid LLM API key (e.g., OPENAI_API_KEY) in the environment **and** Node.js ≥ 18; the agent will fail at start‑up if the key is missing or the Node version is older.
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🔑 Needs an API key

Works after you add credentials — the setup agent will ask you for them.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/trueforge && curl -fsSL https://workflowstacks.com/api/skills/trueforge/claude-skill -o ~/.claude/skills/trueforge/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How Trueforge works
Codeflow
Free to inspect

Trueforge is a very large TypeScript project (~106k lines across 1470 code files, plus 418 test files). Setup is light: installs like a normal app. Reading the code is optional. Last commit this month, MIT license, has a test suite.

Size
Very large codebase
~106k lines · 1470 code files · days to read — use, don't read
Setup
One-command install
Installs like a normal app. Reading the code is optional.
Runs on
Node.js · Docker
No API keys detected
TypeScript 97%Python 1%JavaScript 1%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
  2. 2
    AGENTS.md
    The instructions the AI actually follows
  3. 3
    package.json
    Dependencies and the commands it exposes
  4. 4
    packages/trueforge/README.md
    Inside packages/trueforge/ — the main logic begins here
What's in each folder
packages/trueforge/Core code — the actual logic378 files
packages/frontend/Frontend / UI25 files
docs/Documentation109 files
packages/trueforge-sdk/Package877 files
packages/trueforge-ui/Package512 files
packages/trueforge-core/Package177 files
charts/Folder15 files
benchmark/Evaluations & benchmarks12 files
READMEHas testsDocumentedCI checksDocker readyMIT licenseUpdated this month
Quick Actions
Details
Creator
truefoundry
Language
TypeScript
Category
ai-agent
Published
7/23/2026

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