Mastra

Mastra is an open-source TypeScript AI agent framework from the team that built Gatsby. It enables developers to prototype and productionize AI features using a modern JavaScript stack with tools for agents, workflows, RAG, and integrations.

Mastra publishes 10 APIs on the APIs.io network, including Agents API, Conversations API, Logs API, and 7 more. Tagged areas include Agents, Artificial Intelligence, JavaScript, RAG, and TypeScript.

Mastra’s developer surface includes authentication, documentation, engineering blog, GitHub presence, changelog, pricing, code examples, and 18 more developer resources.

🌐 Visit website 📡 Source on GitHub

33.2/100 thin ▬ flat Agent 21/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

11 APIs

Agents Artificial Intelligence JavaScript RAG TypeScript Workflows

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 33.2/100 · thin

Contract Quality 12.1 / 25

Developer Ergonomics 5.2 / 20

Access Clarity 5.3 / 20

Operational Transparency 3.4 / 13

Contract Governance 0.0 / 12

Discoverability 7.2 / 10

Agent readiness — 21/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/mastra: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 11

Individual APIs this provider publishes, each with its own machine-readable definition.

Open Collections 12

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Rate Limits 1

Documented rate limits and quota policies.

Mastra Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Build 5

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHub

GitHubOrg

PackageManager

Examples

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Learn 2

Tutorials, courses, talks, and written guidance

YouTube

YouTube

Course

Course

Operate 2

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

Community

Community

Commercial 2

Pricing, plans, and the legal terms of use

Pricing

Pricing

License

License

Company 5

The organization behind the API

LinkedIn

Website

Blog

XTwitter

Crunchbase

Other 4

Properties that don't map to a standard resource type

Templates

Book

Podcast

YCombinator

Source (apis.yml)

aid: mastra
name: Mastra
description: Mastra is an open-source TypeScript AI agent framework from the team that built Gatsby. It enables developers
  to prototype and productionize AI features using a modern JavaScript stack with tools for agents, workflows, RAG, and integrations.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/mastra.png
tags:
- Agents
- Artificial Intelligence
- JavaScript
- RAG
- TypeScript
- Workflows
tags_raw:
- Agents
- AI
- JavaScript
- RAG
- TypeScript
- Workflows
url: https://raw.githubusercontent.com/api-evangelist/mastra/refs/heads/main/apis.yml
created: '2026-01-02'
modified: '2026-08-08'
specificationVersion: '0.23'
apis:
- aid: mastra:mastra
  name: Mastra
  description: Mastra is an open-source TypeScript AI agent framework that enables developers to build and deploy AI-powered
    applications with agents, workflows, RAG pipelines, and third-party integrations.
  humanURL: https://mastra.ai/
  tags:
  - Agents
  - Artificial Intelligence
  - TypeScript
  tags_raw:
  - Agents
  - AI
  - TypeScript
  properties:
  - type: Documentation
    url: https://mastra.ai/docs
  - type: GettingStarted
    url: https://mastra.ai/docs/getting-started/installation
- aid: mastra:mastra-agents-api
  name: Mastra Agents API
  description: The Agents API from Mastra — 6 operation(s) for agents.
  humanURL: https://mastra.ai/
  tags:
  - Agents
  properties:
  - type: OpenAPI
    url: openapi/mastra-agents-api-openapi.yml
- aid: mastra:mastra-conversations-api
  name: Mastra Conversations API
  description: The Conversations API from Mastra — 3 operation(s) for conversations.
  humanURL: https://mastra.ai/
  tags:
  - Conversations
  properties:
  - type: OpenAPI
    url: openapi/mastra-conversations-api-openapi.yml
- aid: mastra:mastra-logs-api
  name: Mastra Logs API
  description: The Logs API from Mastra — 1 operation(s) for logs.
  humanURL: https://mastra.ai/
  tags:
  - Logs
  properties:
  - type: OpenAPI
    url: openapi/mastra-logs-api-openapi.yml
- aid: mastra:mastra-mcp-api
  name: Mastra Mcp API
  description: The Mcp API from Mastra — 2 operation(s) for mcp.
  humanURL: https://mastra.ai/
  tags:
  - MCP
  tags_raw:
  - Mcp
  properties:
  - type: OpenAPI
    url: openapi/mastra-mcp-api-openapi.yml
- aid: mastra:mastra-memory-api
  name: Mastra Memory API
  description: The Memory API from Mastra — 3 operation(s) for memory.
  humanURL: https://mastra.ai/
  tags:
  - Memory
  properties:
  - type: OpenAPI
    url: openapi/mastra-memory-api-openapi.yml
- aid: mastra:mastra-responses-api
  name: Mastra Responses API
  description: The Responses API from Mastra — 2 operation(s) for responses.
  humanURL: https://mastra.ai/
  tags:
  - Responses
  properties:
  - type: OpenAPI
    url: openapi/mastra-responses-api-openapi.yml
- aid: mastra:mastra-telemetry-api
  name: Mastra Telemetry API
  description: The Telemetry API from Mastra — 2 operation(s) for telemetry.
  humanURL: https://mastra.ai/
  tags:
  - Telemetry
  properties:
  - type: OpenAPI
    url: openapi/mastra-telemetry-api-openapi.yml
- aid: mastra:mastra-tools-api
  name: Mastra Tools API
  description: The Tools API from Mastra — 3 operation(s) for tools.
  humanURL: https://mastra.ai/
  tags:
  - Tools
  properties:
  - type: OpenAPI
    url: openapi/mastra-tools-api-openapi.yml
- aid: mastra:mastra-vectors-api
  name: Mastra Vectors API
  description: The Vectors API from Mastra — 3 operation(s) for vectors.
  humanURL: https://mastra.ai/
  tags:
  - Vectors
  properties:
  - type: OpenAPI
    url: openapi/mastra-vectors-api-openapi.yml
- aid: mastra:mastra-workflows-api
  name: Mastra Workflows API
  description: The Workflows API from Mastra — 8 operation(s) for workflows.
  humanURL: https://mastra.ai/
  tags:
  - Workflows
  properties:
  - type: OpenAPI
    url: openapi/mastra-workflows-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/mastra-agentic-access.yml
- type: DomainSecurity
  url: security/mastra-domain-security.yml
- type: Authentication
  url: authentication/mastra-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/mastra-ai
- type: Website
  url: https://mastra.ai/
- type: GitHubOrganization
  url: https://github.com/mastra-ai
- type: Documentation
  url: https://mastra.ai/docs
- type: LlmsText
  url: https://mastra.ai/llms.txt
- url: https://mastra.ai/blog
  type: Blog
- type: GitHub
  url: https://github.com/mastra-ai/mastra
- type: GitHubOrg
  url: https://github.com/mastra-ai
- type: ChangeLog
  url: https://github.com/mastra-ai/mastra/releases
  name: GitHub Releases
- type: Pricing
  url: https://mastra.ai/pricing
- type: PackageManager
  url: https://www.npmjs.com/org/mastra
  name: npm @mastra Org
- type: Examples
  url: https://github.com/mastra-ai/mastra/tree/main/examples
- type: Templates
  url: https://mastra.ai/templates
- type: Community
  url: https://discord.gg/BTYqqHKUrf
  name: Discord
- type: XTwitter
  url: https://x.com/mastra_ai
- type: YouTube
  url: https://www.youtube.com/@mastra-ai
- type: Course
  url: https://mastra.ai/course
  name: Mastra MCP Course
- type: Book
  url: https://mastra.ai/book
  name: Principles of Building AI Agents
- type: Podcast
  url: https://mastra.ai/agent-hour
  name: Agent Hour
- type: License
  url: https://github.com/mastra-ai/mastra/blob/main/LICENSE.md
  name: Apache 2.0 + Mastra Enterprise License
- type: YCombinator
  url: https://www.ycombinator.com/companies/mastra
- type: Crunchbase
  url: https://www.crunchbase.com/organization/mastra-44ba
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-merged-from:
- mastra-ai

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