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Openrouter Function Calling

Category: General  ·  Sub-category: general-misc  ·  Last updated:
Implement function/tool calling with OpenRouter models. Use when building agents, structured output, or tool-augmented LLM workflows. Triggers: 'openrouter function calling', 'openrouter tools', 'openrouter agent tools', 'tool use openrouter'.
Security AStatic scan found no risk patternsHow grading works ›

About this skill (catalog notes)

Openrouter Function Calling includes worked examples; at least one code block. The SKILL.md runs to about 823 words, in the catalog's typical mid-range.

License
MIT
Original author
Jeremy Longshore <[email protected]>
Indexed lastmod
Catalog position
General · general-misc
Indexed related skills
10

How Openrouter Function Calling fits the catalog

Openrouter Function Calling sits in the General category under the general-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

What this skill does

Openrouter Function Calling is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/openrouter-function-calling/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when building agents, structured output, or tool-augmented LLM workflows. Triggers: 'openrouter function calling', 'openrouter tools', 'openrouter agent tools', 'tool use openrouter'.

Who uses this skill

The Openrouter Function Calling Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 146,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/openrouter-function-calling
curl -L https://claudskills.com/skills/openrouter-function-calling/SKILL.md \
  -o ~/.claude/skills/openrouter-function-calling/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/openrouter-function-calling/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/openrouter-function-calling/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\openrouter-function-calling\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

Frequently asked questions

How do I install the Openrouter Function Calling Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/openrouter-function-calling/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Openrouter Function Calling skill do?
Implement function/tool calling with OpenRouter models. Use when building agents, structured output, or tool-augmented LLM workflows. Triggers: 'openrouter function calling', 'openrouter tools', 'openrouter agent tools', 'tool use openrouter'.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Openrouter Function Calling skill?
Use Openrouter Function Calling when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Openrouter Function Calling" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Openrouter Function Calling skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Openrouter Function Calling is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
Jeremy Longshore <[email protected]>. (2026). Openrouter Function Calling [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/openrouter-function-calling/
BibTeX
@misc{openrouter-function-calling-2026,
  author    = {Jeremy Longshore <[email protected]>},
  title     = {Openrouter Function Calling [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/openrouter-function-calling/}
}

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Security scan

Grade A · scanned 2026-07-06 — free static scan against the OWASP Agentic Skills Top 10.

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