$HEADLESS SYSTEMS
03 / Scorecard / Workflow & Automation

Hatchet

F
Headless Index
74/100
JAIRF
29/100
Not Ready
Verified
AUG 20, 2026
Methodology v1 · JAIRF v1.0.0

Powered by JAIRF v1.0.0 by Jentic · open methodology at /the-headless-index/methodology

Hatchet earns Band F in the Workflow & Automation category of The Headless Index, with a thesis-fit score of 74/100 and a JAIRF rating of 29/100 (Not Ready). Its strongest dimension is schema observability (20/20); its weakest scored dimension is MCP and agent posture (6/20). Hatchet publishes a machine-readable OpenAPI specification, which is what lets an agent discover and operate it without human glue code.

Editorial verdict
Hatchet is not built for machine consumption today. The Headless Index thesis-fit score of 74/100 fails the floor checks of the index, and JAIRF v1.0.0 puts it at 29/100 (Level 0, Not Ready). In practice, vendors at this tier are not built for machine consumption today: agents can poke at them, but the dashboard remains the source of truth, and the rest of this verdict explains where Hatchet lands inside that pattern. On the API surface, the question is whether the API is the product or a layer beneath the dashboard. Hatchet is Postgres-backed durable execution as a developer product. SDKs in TypeScript, Python, and Go. OpenAPI specifications live in the api-contracts/ directory of hatchet-dev/hatchet. The product is OpenAPI-first and the developer experience reflects that.[1] Schema observability is the related test: can an agent introspect the contract from cold, or does it have to read prose documentation to do so? Public OpenAPI URL on GitHub raw provides full schema by direct fetch. Schema discoverability is reference-class for durable-execution.[2] Driving this product through an agent is not realistic with the current surface: the API exists, but it is not the contract the vendor optimises for. On headless operability: Workflows, workers, events, and tenants are all API-driven. The hatchet CLI covers local development. docker-compose plus Kubernetes deployment stories are complete. Self-host is the default; Hatchet Cloud is the managed option.[3] On the MCP and agent-integration axis, which is the fastest-moving criterion in the index: No first-party Hatchet MCP server. The product is durable-execution infrastructure; MCP integration would naturally come through agent frameworks using Hatchet as the backbone.[4] Event posture closes the loop: an agent that cannot react to state changes is reduced to polling. Events and triggers are central to durable execution. Webhook delivery exists but is less prescriptive than full webhook-first platforms; Hatchet's strength is workflow execution. Net assessment: Hatchet fails the floor checks of the methodology, with MCP posture[5] as the most acute gap. Any agent integration here will be brittle and short-lived until the vendor invests in machine-readable surfaces. Not currently suitable for agent consumption.
Verdict by Headless Index pipeline (auto)
// AI-drafted from the evidence layer. Editorial review pending.
Scores

Scorecard detail

Headless Index · 5 sub-criteria
API-first design intent18/20
scored

Hatchet is Postgres-backed durable execution as a developer product. SDKs in TypeScript, Python, and Go. OpenAPI specifications live in the api-contracts/ directory of hatchet-dev/hatchet. The product is OpenAPI-first and the developer experience reflects that.

signals (4)
  • +AI review appliedReviewer: Editorial review on 2026-05-20
  • +OpenAPI specPublished, 0 operations
  • −GraphQL endpointNot discovered (5 probes; project-scoped endpoints require a real project ID)
  • ·SDKs maintained2 (go, python); top by stars: hatchet-dev/hatchet-python-quickstart (44 stars)
cite (2)
  • github.sdks@2026-05-20
  • openapi.url@2026-05-20
Headless operation18/20
scored

Workflows, workers, events, and tenants are all API-driven. The hatchet CLI covers local development. docker-compose plus Kubernetes deployment stories are complete. Self-host is the default; Hatchet Cloud is the managed option.

signals (9)
  • +AI review appliedReviewer: Editorial review on 2026-05-20
  • −API operations exposedOpenAPI present but operations could not be counted
  • ·Docs pages crawled0 pages (crawler: none)
  • ·Auth schemes documentedAuth documentation page not reached by crawler
  • ·Setup / quickstart docsNot reached by crawler
  • ·Billing docsNot reached by crawler
  • ·Teams / org docsNot reached by crawler
  • ·CLI docsNot reached by crawler
  • ·Schema / data model docsNot reached by crawler
cite (1)
  • github.sdks@2026-05-20
MCP & agent posture6/20
scored

No first-party Hatchet MCP server. The product is durable-execution infrastructure; MCP integration would naturally come through agent frameworks using Hatchet as the backbone.

signals (4)
  • +AI review appliedReviewer: Editorial review on 2026-05-20
  • −Official MCP serverNone found in vendor's GitHub org or the official MCP registry
  • −Community MCP serversNone found
  • −Agent-friendly SDKsNo TypeScript/JavaScript SDK published (agents commonly run in TS/JS)
cite (1)
  • mcp.found@2026-05-20
Schema observability20/20
scored

Public OpenAPI URL on GitHub raw provides full schema by direct fetch. Schema discoverability is reference-class for durable-execution.

signals (3)
  • +AI review appliedReviewer: Editorial review on 2026-05-20
  • +OpenAPIPublished at https://raw.githubusercontent.com/hatchet-dev/hatchet/main/api-contracts/openapi/openapi.yaml (OpenAPI undefined, 0 operations)
  • −GraphQL introspectionNo GraphQL endpoint discovered (5 probes; some vendors use project-scoped endpoints that require a real project handle)
cite (2)
  • openapi.url@2026-05-20
  • ai_review_browser.schema@2026-05-20
Webhooks & events12/20
scored

Events and triggers are central to durable execution. Webhook delivery exists but is less prescriptive than full webhook-first platforms; Hatchet's strength is workflow execution.

signals (2)
  • +AI review appliedReviewer: Editorial review on 2026-05-20
  • ·Webhook docs pageNot reached by crawler within budget (0 pages crawled). Cannot confirm whether vendor offers webhooks.
cite (1)
  • ai_review_browser.webhooks@2026-05-20
JAIRF · 6 dimensions
FCFoundational Compliance
70/100

Structural validity, standards conformance, and parsability of the OpenAPI specification.

DXJDeveloper Experience & Tooling Compatibility
0/100

Documentation clarity, example coverage, response completeness, and ingestion health.

ARAXAI-Readiness & Agent Experience
0/100

Semantic clarity, intent expression, datatype specificity, and error standardization.

AUAgent Usability
0/100

Operational composability, complexity comfort, navigation affordances, and safety patterns.

SECSecurity
100/100

Authentication strength, transport security, secret hygiene, and OWASP risk posture.

AIDAI Discoverability
0/100

Descriptive richness, intent phrasing, workflow context, and registry signals.

Band rationale:F band triggered: JAIRF=29

04 / Embed

Show Hatchet's score on your site.

Drop a live badge into your README, footer, or marketing page. It updates automatically when we re-score, and every embed is a dofollow link back here.

Hatchet mini badge preview
Get embed code
Peers in Workflow & Automation
TinesB
Headless Index 74/100
InngestB
Headless Index 74/100
Apache AirflowB
Headless Index 74/100
See full Workflow & Automation ranking →
FAQ

Hatchet and agent readiness

Is Hatchet agent-ready?
Hatchet scores Band F on The Headless Index and rates Not Ready on JAIRF (29/100). Its strongest area for agent use is schema observability; its weakest is MCP and agent posture.
Does Hatchet publish an OpenAPI spec?
Yes. Hatchet publishes an OpenAPI specification, scored under JAIRF v1.0.0. A published spec is what makes an API discoverable and callable by agents rather than only by developers reading docs.
What is Hatchet's Headless Index score?
Hatchet scores 74/100 on the Headless Index thesis-fit rubric and sits in Band F in the Workflow & Automation category. The score weighs API-first design, headless operation, MCP and agent posture, schema observability, and webhooks.