Open-source harness
Free
Apache-2.0; inference/infrastructure separate
- Included scope
- CLI and libfx; configurable models/tools
fx by Vercel pricing
● Identity checkedEmbeddable native coding agent · Official-source review 2026-10-09
fx is a small Zig coding-agent harness and CLI with shell-like output. Apache-2.0 source, libfx embedding and WebAssembly support let developers supply models, tools, skills and MCP connections in local or browser environments.
- Category
- Embeddable native coding agent
- Free access
- Apache-2.0 open-source harness; inference, subscriptions and infrastructure may have separate costs.
- API access
- libfx SDK embedding, configurable tools, MCP and a command-line ask interface are advertised.
Understand the total cost
fx by Vercel pricing & plans
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Official product information
Current official product source read individually; product artwork inspected visually.
Read original source ↗Pricing review
Official product page reviewed for disclosed costs; unverified prices and allowances are identified in the listing.
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