helicone.ai

Helicone is an observability and gateway platform for large language model applications. It helps teams route, monitor, analyze, and optimize AI requests, costs, latency, prompts, and related usage data.

3 integrations · MCP · REST · GraphQL

Helicone exposes a REST API, a GraphQL API, and an npm-distributed MCP server; all documented developer surfaces use a Helicone API key for authentication.

discovered 2mo ago

MCP servers1

Helicone MCP serverdiscoveredmcp

REST · OpenAPI1

Helicone REST APIdiscoveredrest

GraphQL1

Helicone GraphQL APIdiscoveredgraphql

Credentials

Helicone API keybearerGet token ↗

Open Settings → API Keys (US) or Settings → API Keys (EU), click Generate New Key, and copy the key. The docs also mention the keys portal at helicone.ai/keys. Helicone documents read-enabled keys with prefix sk-, write-enabled keys with prefix pk-, and EU-region keys with prefix eu-.

conventions · 1/7 published

integrations.json——
llms.txt✓https://helicone.ai/llms.txt
API catalog✗/.well-known/api-catalog
OpenAPI document✗/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json
MCP server card✗/.well-known/mcp/server-card.json
OAuth protected resource✗/.well-known/oauth-protected-resource
Agent card✗/.well-known/agent-card.json
Agent skills✗/.well-known/agent-skills/index.json

Publish these signals → /publishing