Is Statsig agent-ready?

Statsig scores Band C on The Headless Index and rates AI-Aware on JAIRF (70.8/100). Its strongest area for agent use is API-first design intent; its weakest is MCP and agent posture.

Does Statsig publish an OpenAPI spec?

Yes. Statsig 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 Statsig's Headless Index score?

Statsig scores 43/100 on the Headless Index thesis-fit rubric and sits in Band C in the Feature Flags & Config category. The score weighs API-first design, headless operation, MCP and agent posture, schema observability, and webhooks.

03 / Scorecard / Feature Flags & Config

Statsig

Headless Index

43/100

JAIRF

70.8/100

AI-Aware

Verified

AUG 20, 2026

Methodology v1 · JAIRF v1.0.0

Statsig earns Band C in the Feature Flags & Config category of The Headless Index, with a thesis-fit score of 43/100 and a JAIRF rating of 70.8/100 (AI-Aware). Its strongest dimension is API-first design intent (15/20); its weakest scored dimension is MCP and agent posture (4/20). Statsig publishes a machine-readable OpenAPI specification, which is what lets an agent discover and operate it without human glue code.

Editorial verdict

Statsig is partially headless and partly UI-led. The Headless Index thesis-fit score of 43/100 puts it mid-table on the index, and JAIRF v1.0.0 puts it at 70.8/100 (Level 2, AI-Aware). In practice, vendors at this tier are partly machine-consumable: the core flows are reachable through code but several adjacent surfaces still expect a human at a dashboard, and the rest of this verdict explains where Statsig lands inside that pattern. On the API surface, the question is whether the API is the product or a layer beneath the dashboard. Statsig is feature flags plus experimentation plus product analytics with strong statistical rigour. REST API plus SDKs in JavaScript, iOS, Android, Node, Python, Java, Go, Ruby, PHP, .NET, Rust, and others. The product is AI-aware and has invested in experiment-driven AI features.^[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? REST documented at docs.statsig.com. SDKs are well-maintained. Schema discoverability is solid.^[2] An agent can drive parts of this product, but not all of it: integrators should plan for human-in-the-loop checkpoints where the headless surface stops short. On headless operability: Gates, experiments, dynamic configs, autotunes, segments, and metrics are all programmable. The statsig CLI plus a Terraform provider give shell and IaC paths.^[3] On the MCP and agent-integration axis, which is the fastest-moving criterion in the index: Statsig has been publicly active on AI integration through Statsig Heatwave. A first-party MCP server is in development based on public discussions.^[4] Event posture closes the loop: an agent that cannot react to state changes is reduced to polling. Statsig webhooks deliver feature-gate and experiment-decision events with signing. Catalog is comprehensive. Net assessment: integrators can build agent flows against Statsig, but the rough edge to plan around is MCP posture^[5]. Expect to wrap missing pieces in bespoke glue or accept human-in-the-loop checkpoints. Workable but requires scaffolding.

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 intent15/20

scored

Statsig is feature flags plus experimentation plus product analytics with strong statistical rigour. REST API plus SDKs in JavaScript, iOS, Android, Node, Python, Java, Go, Ruby, PHP, .NET, Rust, and others. The product is AI-aware and has invested in experiment-driven AI features.

signals (5)

+AI review appliedReviewer: Editorial review on 2026-05-20
+OpenAPI specPublished, 241 operations
−GraphQL endpointNot discovered (5 probes; project-scoped endpoints require a real project ID)
+SDKs maintained27 (dotnet, go, java, javascript, kotlin, php, python, ruby, rust, swift, typescript); top by stars: statsig-io/statsig-kit (35 stars)
+npm weekly downloads9.6M across published packages; top: react-native @ 7.0M/week

cite (5)

openapi.url@2026-05-19
graphql.probes_tried@2026-05-19
github.sdks@2026-05-19
freshness.most_recent_sdk_commit@2026-05-19
github.sdks@2026-05-19

Headless operation8/20

scored

Gates, experiments, dynamic configs, autotunes, segments, and metrics are all programmable. The statsig CLI plus a Terraform provider give shell and IaC paths.

signals (9)

+AI review appliedReviewer: Editorial review on 2026-05-20
+API operations exposed241 operations in OpenAPI spec
·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)

ai_review_browser.topics_found@2026-05-20

MCP & agent posture4/20

scored

Statsig has been publicly active on AI integration through Statsig Heatwave. A first-party MCP server is in development based on public discussions.

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 SDKs16 TS/JS SDKs available; top: statsig-node (465.7k/week downloads)

cite (1)

ai_review_browser.pages_fetched@2026-05-20

Schema observability12/20

scored

REST documented at docs.statsig.com. SDKs are well-maintained. Schema discoverability is solid.

signals (3)

+AI review appliedReviewer: Editorial review on 2026-05-20
+OpenAPIPublished at https://docs.statsig.com/openapi.json (OpenAPI 3.0.0, 241 operations)
−GraphQL introspectionNo GraphQL endpoint discovered (5 probes; some vendors use project-scoped endpoints that require a real project handle)

cite (1)

ai_review_browser.schema@2026-05-20

Webhooks & events4/20

scored

Statsig webhooks deliver feature-gate and experiment-decision events with signing. Catalog is comprehensive.

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.pages_fetched@2026-05-20

JAIRF · 6 dimensions

FCFoundational Compliance

100/100

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

DXJDeveloper Experience & Tooling Compatibility

66.6/100

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

ARAXAI-Readiness & Agent Experience

61.8/100

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

AUAgent Usability

50/100

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

SECSecurity

80/100

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

AIDAI Discoverability

65/100

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

Band rationale:C band: scores 40-75 range

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Calibration

How THI compares to external scorers

Source	Score	Measures	Last checked
Fern Agent Score	not found	Documentation completeness and SDK shape (~22 checks)	—
CLIRank Agent Friendliness	not found	CLI readiness, docs quality, and overall agent affordances	—
Cloudflare Is It Agent Ready?	blocked	Cloudflare's manual agent-readiness heuristic per vendor URL	—
Jentic Scorecard	—	JAIRF-based scorecard requiring a public OpenAPI specification	—

THI 43 vs external median 0

No external scores available to calibrate against.

Peers in Feature Flags & Config

EppoC

Headless Index 40/100

SplitC

Headless Index 48/100

PostHog Feature FlagsC

Headless Index 50/100

See full Feature Flags & Config ranking →

FAQ

Statsig and agent readiness

Is Statsig agent-ready?: Statsig scores Band C on The Headless Index and rates AI-Aware on JAIRF (70.8/100). Its strongest area for agent use is API-first design intent; its weakest is MCP and agent posture.
Does Statsig publish an OpenAPI spec?: Yes. Statsig 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 Statsig's Headless Index score?: Statsig scores 43/100 on the Headless Index thesis-fit rubric and sits in Band C in the Feature Flags & Config category. The score weighs API-first design, headless operation, MCP and agent posture, schema observability, and webhooks.