ACI.dev

aid: aci-dev
url: https://raw.githubusercontent.com/api-evangelist/aci-dev/refs/heads/main/apis.yml
apis:
  - aid: aci-dev:aci-dev-apps-api
    name: ACI.dev Apps API
    tags:
      - Apps
      - Catalog
      - Tool Calling
    humanURL: https://aci.dev/docs/core-concepts/app.md
    properties:
      - url: https://aci.dev/docs/core-concepts/app.md
        type: Documentation
      - url: https://aci.dev/docs/api-reference/apps/search-apps.md
        type: Documentation
      - url: https://aci.dev/docs/api-reference/apps/get-app-details.md
        type: Documentation
      - url: openapi/aci-dev-openapi.yml
        type: OpenAPI
      - url: json-schema/aci-dev-app-schema.json
        type: JSONSchema
      - url: json-schema/aci-dev-app-with-functions-schema.json
        type: JSONSchema
    description: >-
      Search and inspect the 600+ pre-built Apps in the ACI.dev catalog. Apps are external service integrations (Slack,
      Gmail, Zendesk, GitHub, etc.) that expose Functions for AI agents to call. Search supports natural-language intent
      for vector similarity ranking and filtering by category or configured-only.
  - aid: aci-dev:aci-dev-functions-api
    name: ACI.dev Functions API
    tags:
      - Functions
      - Tool Calling
      - MCP
    humanURL: https://aci.dev/docs/core-concepts/function.md
    properties:
      - url: https://aci.dev/docs/core-concepts/function.md
        type: Documentation
      - url: https://aci.dev/docs/api-reference/functions/search-functions.md
        type: Documentation
      - url: https://aci.dev/docs/api-reference/functions/get-function-definition.md
        type: Documentation
      - url: https://aci.dev/docs/api-reference/functions/execute.md
        type: Documentation
      - url: openapi/aci-dev-openapi.yml
        type: OpenAPI
      - url: json-schema/aci-dev-function-schema.json
        type: JSONSchema
      - url: json-schema/aci-dev-function-execute-schema.json
        type: JSONSchema
      - url: json-schema/aci-dev-function-execution-result-schema.json
        type: JSONSchema
      - url: json-schema/aci-dev-openai-function-definition-schema.json
        type: JSONSchema
      - url: json-schema/aci-dev-anthropic-function-definition-schema.json
        type: JSONSchema
      - url: examples/aci-dev-search-functions-example.json
        type: Example
      - url: examples/aci-dev-execute-function-example.json
        type: Example
    description: >-
      Search, inspect, and execute the callable Functions (tools) exposed by configured Apps. Function definitions are
      returned in OpenAI- and Anthropic-compatible JSON Schema, and the same surface powers the unified MCP server's
      ACI_SEARCH_FUNCTIONS and ACI_EXECUTE_FUNCTION meta-tools.
  - aid: aci-dev:aci-dev-app-configurations-api
    name: ACI.dev App Configurations API
    tags:
      - App Configurations
      - Governance
      - Authentication
    humanURL: https://aci.dev/docs/core-concepts/app-configuration.md
    properties:
      - url: https://aci.dev/docs/core-concepts/app-configuration.md
        type: Documentation
      - url: openapi/aci-dev-openapi.yml
        type: OpenAPI
      - url: json-schema/aci-dev-app-configuration-schema.json
        type: JSONSchema
    description: >-
      Create and manage per-project App Configurations. An App Configuration declares which App is enabled, which
      security scheme it should use (OAuth2, API key, or no-auth), which functions are permitted, and any
      security-scheme overrides. App Configurations are the governance boundary for the ACI.dev tool catalog.
  - aid: aci-dev:aci-dev-linked-accounts-api
    name: ACI.dev Linked Accounts API
    tags:
      - Linked Accounts
      - OAuth
      - Authentication
    humanURL: https://aci.dev/docs/core-concepts/linked-account.md
    properties:
      - url: https://aci.dev/docs/core-concepts/linked-account.md
        type: Documentation
      - url: https://aci.dev/docs/api-reference/linked-accounts/link-oauth2-account.md
        type: Documentation
      - url: https://aci.dev/docs/api-reference/linked-accounts/linked-accounts-oauth2-callback.md
        type: Documentation
      - url: https://aci.dev/docs/advanced/oauth2-whitelabel.md
        type: Documentation
      - url: openapi/aci-dev-openapi.yml
        type: OpenAPI
      - url: json-schema/aci-dev-linked-account-schema.json
        type: JSONSchema
      - url: examples/aci-dev-link-oauth2-account-example.json
        type: Example
    description: >-
      Manage end-user Linked Accounts for configured Apps. Initiate an OAuth2 link flow, handle the OAuth2 callback,
      list and retrieve linked accounts by owner ID, and revoke a Linked Account. White-label OAuth2 is supported so
      production agents can present the customer's own brand during the consent screen.
name: ACI.dev
tags:
  - Agent Infrastructure
  - Agents
  - AI
  - Artificial Intelligence
  - Function Calling
  - MCP
  - Model Context Protocol
  - OAuth
  - Open Source
  - Tool Calling
  - VibeOps
kind: contract
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
access: 3rd-Party
common:
  - type: Portal
    url: https://aci.dev
  - type: Documentation
    url: https://aci.dev/docs
  - type: GettingStarted
    url: https://aci.dev/docs/introduction/quickstart.md
  - type: Documentation
    url: https://aci.dev/docs/api-reference/overview.md
    name: API Reference Overview
  - type: Documentation
    url: https://aci.dev/docs/api-reference/openapi.json
    name: ACI.dev OpenAPI (authoritative)
  - type: Documentation
    url: https://aci.dev/docs/sdk/intro.md
    name: SDK Introduction
  - type: Documentation
    url: https://aci.dev/docs/sdk/custom-functions.md
    name: Custom Functions
  - type: Documentation
    url: https://aci.dev/docs/mcp-servers/introduction
    name: MCP Servers Introduction
  - type: Documentation
    url: https://aci.dev/docs/agent-playground/introduction.md
    name: Agent Playground
  - type: Documentation
    url: https://aci.dev/docs/advanced/oauth2-whitelabel.md
    name: White-label OAuth2
  - type: Documentation
    url: https://aci.dev/docs/llms.txt
    name: llms.txt Documentation Index
  - type: GitHubOrganization
    url: https://github.com/aipotheosis-labs
  - url: https://github.com/aipotheosis-labs/aci
    name: aci (open-source tool-calling platform)
    type: SourceCode
  - url: https://github.com/aipotheosis-labs/aci-mcp
    name: aci-mcp (Python MCP server)
    type: SourceCode
  - url: https://github.com/aipotheosis-labs/aci-mcp-node
    name: aci-mcp-node (Node/TypeScript MCP server)
    type: SourceCode
  - url: https://github.com/aipotheosis-labs/aci-python-sdk
    name: aci-python-sdk
    type: SDK
  - url: https://github.com/aipotheosis-labs/aci-typescript-sdk
    name: aci-typescript-sdk
    type: SDK
  - url: https://github.com/aipotheosis-labs/aci-agents
    name: aci-agents (example agents)
    type: SourceCode
  - url: https://github.com/aipotheosis-labs/aci-developer-docs
    name: aci-developer-docs
    type: SourceCode
  - url: https://github.com/aipotheosis-labs/gate22
    name: gate22 (MCP gateway and control plane)
    type: SourceCode
  - url: https://github.com/aipotheosis-labs/gate22-docs
    name: gate22-docs
    type: SourceCode
  - url: https://platform.aci.dev
    name: ACI.dev Platform Console
    type: Documentation
  - url: https://discord.gg/nnqFSzq2ne
    name: Aipolabs Discord
    type: Documentation
  - url: https://www.linkedin.com/company/aipotheosis-labs-aipolabs
    type: LinkedIn
  - url: https://twitter.com/AipoLabs
    name: '@AipoLabs on X'
    type: Twitter
  - url: https://www.youtube.com/@AipotheosisLabs
    name: Aipotheosis Labs on YouTube
    type: Documentation
  - type: License
    url: https://www.apache.org/licenses/LICENSE-2.0
    name: Apache License 2.0
  - type: Features
    data:
      - 600+ pre-built App integrations (Slack, Gmail, Zendesk, GitHub, Notion, Stripe, and more)
      - Unified MCP server (aci-mcp) exposing ACI_SEARCH_FUNCTIONS and ACI_EXECUTE_FUNCTION meta-tools
      - Apps MCP mode that surfaces a specific set of Apps as named MCP tools
      - Node port (aci-mcp-node) for TypeScript-native MCP integration
      - OpenAI-compatible and Anthropic-compatible function-definition output formats
      - Multi-tenant end-user OAuth2 link flow, white-label OAuth2 for production branding
      - Per-project App Configurations with function-level enable/disable and security-scheme overrides
      - Natural-language permission filters that guardrail tool executions
      - Custom functions SDK for registering proprietary tools alongside the catalog
      - Agent Playground for prompting against the unified catalog before wiring it into production
      - Python and TypeScript SDKs (aci-python-sdk, aci-typescript-sdk)
      - >-
        Sister project gate22 — open-source MCP gateway and control plane for governance and audit across Cursor and
        other agentic IDEs
      - Self-hostable backend, frontend portal, and SDKs under Apache 2.0
    sources:
      - https://aci.dev
      - https://aci.dev/docs/llms.txt
      - https://github.com/aipotheosis-labs/aci
      - https://github.com/aipotheosis-labs/aci-mcp
      - https://github.com/aipotheosis-labs/gate22
  - type: Integrations
    data:
      - Anthropic Claude (function definitions returned in Anthropic tool-use format)
      - OpenAI (function definitions returned in OpenAI tool-use format)
      - Model Context Protocol (Cursor, Claude Desktop, Claude Code, and other MCP clients)
      - GitHub, Gmail, Slack, Zendesk, Notion, Stripe and 600+ other apps via the ACI catalog
    sources:
      - https://aci.dev/docs/mcp-servers/introduction
      - https://github.com/aipotheosis-labs/aci-mcp
  - url: vocabulary/aci-dev-vocabulary.yml
    type: Vocabulary
  - url: rules/aci-dev-rules.yml
    type: SpectralRules
  - url: json-ld/aci-dev-context.jsonld
    type: JSONLD
created: '2026-05-25'
modified: '2026-05-25'
position: Producing
description: >-
  ACI.dev (Aipolabs Agent-Computer Interface) is an open-source tool-calling platform that hooks AI agents into 600+
  pre-built tools through direct function calling or a unified Model Context Protocol server. Maintained by Aipotheosis
  Labs (Aipolabs) under Apache 2.0, ACI provides multi-tenant OAuth2 and API-key authentication, per-project App
  Configurations, natural-language permission guardrails, OpenAI- and Anthropic-compatible function definitions, Python
  and TypeScript SDKs, and the unified aci-mcp server with ACI_SEARCH_FUNCTIONS and ACI_EXECUTE_FUNCTION meta-tools. The
  sister project Gate22 adds an open-source MCP gateway and control plane for governing which tools agents can use, what
  they can do, and how it is audited.
maintainers:
  - FN: Kin Lane
    email: info@apievangelist.com
    X: apievangelist
    url: https://apievangelist.com
specificationVersion: '0.16'