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OpenTools API
An OpenAI-compatible completions API enabling access to the open ecosystem of MCP tools with any LLM using a single endpoint.
What is OpenTools API?
An OpenAI-compatible completions API enabling access to the open ecosystem of MCP tools with any LLM using a single endpoint. Users pay only for tool execution; LLM tokens are charged at-cost through a unified billing portal. No personal API keys needed for tools.
Product typeModel APIs & Gateways
PricingYou only pay for tool execution because we charge tokens at-cost, all in one unified billing portal. · Usage Based
Deployment
APIAvailable
What teams use OpenTools API for
Accessing MCP tools via a unified completions API
Augmenting LLMs with capabilities like web search, real-time location data, and web scraping
Switching between LLMs without changing application code
Integrations and access
Platforms, integrations, and language support vary by plan and region. Confirm final requirements with the vendor.
Platforms
IntegrationsAPI and webhooks
Languages
Support
What reviewers say
Community reviewsReviews are owned and editable by their authors.
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Enterprise readiness
Compliance claims are normalized from current vendor documentation and independently reviewed by SOTA2.
Data retention:
Benchmarks and comparisons
Independent benchmarksStructured task results are being verified.
Side-by-side comparisonsComparison workspaces will be available in a later release.
