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Does OpenClaw have Function Calling?
YES
The harness is tool/skill calling: inbox, calendar, flights, code, cron.
Does OpenClaw have Function Calling?
OpenClaw supports Function Calling. Developers can define custom tools/functions that the AI can choose to invoke, returning structured JSON arguments to execute actions. OpenClaw is an open-source personal agent (desktop apps for macOS, Windows, and Linux) that acts from WhatsApp, Telegram, Discord, and similar chats: inbox, calendar, skills, and local memory. The harness is tool/skill calling: inbox, calendar, flights, code, cron.
- Tool
- 🦞 OpenClaw by OpenClaw
- Feature
- Function Calling · Developer
- Status
- Yes, requires free plan
- Notes
- The harness is tool/skill calling: inbox, calendar, flights, code, cron.
- Pricing
- Requires free plan.
- Source
- openclaw.ai
- Last verified
- 2026-09-02