03 / Scorecard / Project & Task Management

Linear

Name: Linear Agent Readiness Scorecard
Item: Linear
Rating: 62
Author: Headless Index pipeline (auto)

Headless Index

62/100

denominator 60

JAIRF

N/A

Verified

MAY 21, 2026

Methodology v1 · JAIRF v1.0.0

Editorial verdict

Linear is solidly built for programmatic consumption. The Headless Index thesis-fit score of 62/100 lands it in the upper-middle of the index, and JAIRF is recorded as N/A for this vendor because no public OpenAPI specification was reachable for the open-source scorer. In practice, vendors at this tier ship most of the primitives agents need, with one or two surfaces still leaning on documentation rather than discovery, and the rest of this verdict explains where Linear lands inside that pattern. On the API surface, the question is whether the API is the product or a layer beneath the dashboard. Linear is developer-focused issue tracking with GraphQL API as the canonical surface. SDKs in JavaScript and others auto-generated from the schema. The product is API-first and the documentation explicitly addresses programmatic operability.^[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? GraphQL introspection enabled. The schema is the canonical contract. Schema discoverability is reference-class for issue tracking.^[2] An agent can drive this product across most practical workflows, with a handful of edges where documentation reading still beats schema discovery. On headless operability: On headless operability, the docs crawl did not produce topic coverage sufficient to score programmatic setup, billing, teams, schema, or CLI workflows. A targeted AI review pass should visit the vendor's docs index and confirm what programmatic surfaces actually exist.^[3] On the MCP and agent-integration axis, which is the fastest-moving criterion in the index: Linear has been publicly active on MCP integration. The linear/mcp project plus broader agent-aware features make Linear among the more agent-friendly issue trackers.^[4] Event posture closes the loop: an agent that cannot react to state changes is reduced to polling. On webhooks and events, the docs crawler did not locate a webhooks reference page or events catalog. Editorial review should confirm whether the vendor publishes events at all, and if so whether signing and replay are documented. Net assessment: Linear can be operated by agents for the majority of practical workflows. The closest thing to a gap is MCP posture^[5], which integrators should sanity-check against their own use case before committing. Strong fit for agent-driven use cases.

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

Linear is developer-focused issue tracking with GraphQL API as the canonical surface. SDKs in JavaScript and others auto-generated from the schema. The product is API-first and the documentation explicitly addresses programmatic operability.

signals (6)

+AI review appliedReviewer: Editorial review on 2026-05-20
−OpenAPI specNot found across 34 probe paths
+GraphQL endpointDiscovered, introspection enabled at https://api.linear.app/graphql
·SDKs maintained1 (typescript); top by stars: linear/linear (1393 stars)
+SDK recency1 of 1 SDK repos pushed within 30 days (most recent SDK commit: 2026-05-19)
+npm weekly downloads1.4M across published packages; top: @linear/sdk @ 1.4M/week

cite (5)

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

Headless operationUnknown

Unknown

Issues, projects, cycles, teams, workflow states, labels, attachments, and comments are all programmable. The linear CLI is in beta; the API surface is the canonical control plane. Linear's developer-friendly architecture is a category benchmark.

signals (9)

+AI review appliedReviewer: Editorial review on 2026-05-20
−API operations exposedNo OpenAPI spec; operations count unknown
·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 (8)

openapi.operations_count@2026-05-19
docs.pages_crawled@2026-05-19
docs.pages_crawled@2026-05-19
docs.topics_found.setup@2026-05-19
docs.topics_found.billing@2026-05-19
docs.topics_found.teams@2026-05-19
docs.topics_found.cli@2026-05-19
docs.topics_found.schema@2026-05-19

MCP & agent posture8/20

scored

Linear has been publicly active on MCP integration. The linear/mcp project plus broader agent-aware features make Linear among the more agent-friendly issue trackers.

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 SDKs1 TS/JS SDKs available; top: @linear/sdk (1.4M/week downloads)

cite (1)

ai_review_browser.mcp@2026-05-20

Schema observability14/20

scored

GraphQL introspection enabled. The schema is the canonical contract. Schema discoverability is reference-class for issue tracking.

signals (3)

+AI review appliedReviewer: Editorial review on 2026-05-20
−OpenAPINot discovered across 34 standard probe paths
+GraphQL introspectionEnabled at https://api.linear.app/graphql; types discoverable at runtime

cite (1)

ai_review_browser.schema@2026-05-20

Webhooks & eventsUnknown

Unknown

Linear webhooks deliver issue, project, cycle, and comment events with HMAC signing. Catalog is comprehensive for the developer issue-tracking use case.

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)

docs.pages_crawled@2026-05-19

JAIRF · 6 dimensions

JAIRF · N/A

This vendor does not publish a public OpenAPI specification. JAIRF cannot be computed. The Headless Index score and editorial verdict carry the readiness assessment.

No public OpenAPI specification discovered during collection

Band rationale:B band: JAIRF=N/A HeadlessIndex=62

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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	76 · Good	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	n a	JAIRF-based scorecard requiring a public OpenAPI specification	—

THI 62 vs external median 76, delta -14

THI display 62 vs external median 76 (delta -14). Within calibration band.

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