AgentIndex icon
AgentIndex
aci logo
aci
★ 4.9k
vs
grafbase logo
grafbase
★ 1.2k

aci vs grafbase

aci: ACI.dev is an open-source tool-calling platform designed to connect over 600 tools to any AI agent or agentic IDE. It provides intent-aware tool access with multi-tenant authentication, granular permissions, and dynamic discovery through a Unified MCP server or a lightweight SDK.; grafbase: Grafbase is a self-hosted, Rust-powered GraphQL Federation Gateway for high-scale, mission-critical applications. It unifies diverse data sources and microservices into a single, performant GraphQL API, offering enterprise-grade security and flexible deployment options.

01

TL;DR

aci logo
aciAPI Integration · ★ 4.9k
When to choose:
  • You want 600+ pre-built integrations with built-in OAuth and secrets management, so you do not write a client per service.
  • You want dynamic tool discovery so tool definitions stay out of the context window.
  • You want to use it as an MCP server or through Python and TypeScript SDKs, with no framework lock-in.
When to skip:
  • You want a single MCP server to install: the MCP server lives in a separate repository, and self-hosting runs a backend plus a portal.
  • You do not want user credentials and tool calls to pass through a third party: that is how the managed service works.
  • You need a very actively developed project: our data shows the last push on 2026-05-28.
Read aci full review →
grafbase logo
grafbaseAPI Integration · ★ 1.2k
When to choose:
  • You want a high-performance Rust Apollo Federation v2 GraphQL gateway that can expose your federated graph directly as an MCP server.
  • You want to unify GraphQL subgraphs, REST, gRPC, Postgres, and Kafka using WebAssembly extensions in a self-hosted gateway.
When to skip:
  • You do not use GraphQL and just want a proxy/gateway in front of existing MCP servers; use MCP Gateways like AgentGateway or MetaMCP.
  • You want to write custom MCP tools in Python; use FastMCP or the MCP Python SDK.
Read grafbase full review →
02

Side-by-Side Comparison

Field
aci logoaci
grafbase logografbase
Category
API Integration
API Integration
Stars
★ 4.9k
★ 1.2k
License
Apache-2.0
MPL-2.0
Install Command
git clone https://github.com/aipotheosis-labs/aci.git
curl -fsSL https://grafbase.com/downloads/gateway | bash
Updated
5d ago
3mo ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
AI Agents, Tool-calling, LLM Infrastructure
GraphQL Federation, API Gateway, Rust
03

Features

aci logoaci
01600+ Pre-built Integrations
02Flexible Access Methods (MCP server or SDK)
03Multi-tenant Authentication
04Enhanced Agent Reliability
05Framework & Model Agnostic
grafbase logografbase
01Native support for Apollo Federation v2 specification.
02Rust-powered gateway delivering ultra-low latency and memory efficiency.
03Extensible via WebAssembly for custom authentication, authorization, and data sources.
04Enterprise-grade security with advanced schema governance and fine-grained authorization.
05Universal data integration supporting GraphQL subgraphs, REST APIs, gRPC, and databases.
04

Use Cases

aci logoaci
↳VibeOps: Automate devOps by letting your agentic IDE access Vercel, Supabase, Cloudflare, Sentry and more to ship live products.
↳Personal Assistant Chatbots: Build chatbots that can search the web, manage calendars, send emails, interact with SaaS tools, etc.
↳Research Agent: Conducts research on specific topics and syncs results to other apps (e.g., Notion, Google Sheets).
grafbase logografbase
↳Unifying disparate microservices, legacy systems, and third-party APIs into a single federated GraphQL API.
↳Building high-performance, mission-critical APIs requiring enterprise-grade security and advanced schema governance.
↳Extending GraphQL capabilities with custom authentication, authorization, and arbitrary data source resolvers via WebAssembly.
05

Best For

aci logoaci
EssentialTrending
grafbase logografbase
Essential
FAQ

FAQ

What is the difference between aci and grafbase?
Both aci and grafbase are in the API Integration category. aci has 4.9k stars, while grafbase has 1.2k stars.
Which is better, aci or grafbase?
The best choice depends on your use case. Choose aci if VibeOps: Automate devOps by letting your agentic IDE access Vercel, Supabase, Cloudflare, Sentry and more to ship live products., and grafbase if Unifying disparate microservices, legacy systems, and third-party APIs into a single federated GraphQL API..
Is aci free or open source?
Yes, aci is open source on GitHub (Apache-2.0).
Is grafbase free or open source?
Yes, grafbase is open source on GitHub (MPL-2.0).
Cloud Infrastructure
Ad

Deploy on DigitalOcean

Host your MCP servers, Docker containers, and AI agents with $200 free credit over 60 days.

Claim $200 Free Credit
→

Related

Alternatives to aci →Alternatives to grafbase →aci details →grafbase details →