{"slug":"cursor","name":"Cursor","summary":"Agentic editor harness. A day-one Leyline install target: scour skill via MCP or rule file.","kind":"runtime","homepage":"https://cursor.com","publisher":"Anysphere","license":"proprietary","hasMcp":true,"hasApi":false,"costRange":"seat","composabilityRationale":"MCP and rules files make catalogue skills installable. Closed editor means the slice is 'harness', not 'library'.","functions":["code","reason","tool-call","connect","retrieve"],"slices":[{"functionId":"code","label":"Inline agent","note":"Edit in the repo","cost":"seat"},{"functionId":"connect","label":"MCP hosts","note":"Attach Leyline or other servers","cost":"included on seat"},{"functionId":"reason","label":"Reason","note":"Agentic editor harness. A day-one Leyline install target: scour skill via MCP or rule file.","cost":"seat"},{"functionId":"tool-call","label":"Tool-call","note":"Agentic editor harness. A day-one Leyline install target: scour skill via MCP or rule file.","cost":"seat"},{"functionId":"retrieve","label":"Retrieve","note":"Agentic editor harness. A day-one Leyline install target: scour skill via MCP or rule file.","cost":"seat"}],"tweets":[{"url":"https://x.com/cursor_ai/status/2085464617694777762","author":"x.com","text":"Cursor now supports Agent Plugins, an open standard for bundling skills and MCP servers for use across agents."},{"url":"https://x.com/cursor_ai/status/2084317547608911986","author":"x.com","text":"Cursor Cloud agents are now 20-30% more token efficient, and 80% more efficient on runs with computer use. We've improved how they handle MCPs, skills, and ..."},{"url":"https://x.com/devagrawal09/article/2089089101010239926","author":"x.com","text":"Cursor's agent could migrate Solid to React because that direction asks for nothing. The direction that asks for something is the one that needs a codemod, not ..."}],"sources":[{"kind":"web","label":"Cursor","url":"https://cursor.com","at":"2026-09-12T00:00:00Z"}],"origin":"seed","sector":"dev-harness","notes":[],"score":12,"explain":{"score":12,"formula":"100 × sum(weight × value) over observed factors only. Unobserved factors are omitted, not zeroed.","factors":[{"id":"github_health","label":"GitHub health","weight":0.18,"value":0.15,"contribution":0.027,"why":"A licence is declared.","sources":[],"evidence":"observed"},{"id":"agent_use","label":"Agent use","weight":0.16,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"human_notes","label":"Human notes","weight":0.14,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"composability","label":"Composability","weight":0.16,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"id":"checklist","label":"Checklist","weight":0.1,"value":0.6666666666666666,"contribution":0.06666666666666667,"why":"An MCP surface is declared. No API is declared. Cost is seat. 2 of 3 checklist fields are complete.","sources":[],"evidence":"observed"},{"id":"evidence_quality","label":"Evidence quality","weight":0.14,"value":0.18107144632819594,"contribution":0.025350002485947435,"why":"1 sources cover 1 evidence types. The latest dated evidence is 2026-09-12. Freshness is omitted unless observed as a signal.","sources":[{"kind":"web","label":"Cursor","url":"https://cursor.com","at":"2026-09-12T00:00:00Z"}],"evidence":"observed"},{"id":"benchmark","label":"Benchmarks","weight":0.12,"why":"insufficient evidence","sources":[],"evidence":"insufficient"}],"missing":["Agent use: insufficient evidence","Human notes: insufficient evidence","Composability: insufficient evidence","Benchmarks: insufficient evidence"]},"createdAt":"2026-09-11T16:33:47.438Z","updatedAt":"2026-09-13T08:56:02.860Z","recordId":"cmp_cursor","claims":{"name":"Cursor","summary":"Agentic editor harness. A day-one Leyline install target: scour skill via MCP or rule file.","kind":"runtime","publisher":"Anysphere","homepage":"https://cursor.com","license":"proprietary","costRange":"seat","functions":["code","reason","tool-call","connect","retrieve"],"slices":[{"functionId":"code","label":"Inline agent","note":"Edit in the repo","cost":"seat"},{"functionId":"connect","label":"MCP hosts","note":"Attach Leyline or other servers","cost":"included on seat"},{"functionId":"reason","label":"Reason","note":"Agentic editor harness. A day-one Leyline install target: scour skill via MCP or rule file.","cost":"seat"},{"functionId":"tool-call","label":"Tool-call","note":"Agentic editor harness. A day-one Leyline install target: scour skill via MCP or rule file.","cost":"seat"},{"functionId":"retrieve","label":"Retrieve","note":"Agentic editor harness. A day-one Leyline install target: scour skill via MCP or rule file.","cost":"seat"}],"interfaces":[{"kind":"mcp"}],"composabilityRationale":"MCP and rules files make catalogue skills installable. Closed editor means the slice is 'harness', not 'library'."},"interfaces":[{"kind":"mcp"}],"relations":[{"from":"cursor","to":"openai-codex","kind":"alternative-to","note":"Shared functions code, connect, reason, tool-call. Same kind and overlapping capability."},{"from":"cursor","to":"claude-code","kind":"alternative-to","note":"Shared functions code, connect, reason, tool-call. Same kind and overlapping capability."},{"from":"cursor","to":"grok-xai","kind":"alternative-to","note":"Shared functions code, connect, reason, tool-call. Same kind and overlapping capability."},{"from":"cursor","to":"build-software-better-together","kind":"fills-same-slot-as","note":"Shared functions code, connect, retrieve, tool-call. Can fill the same function slot."},{"from":"cursor","to":"cognee","kind":"fills-same-slot-as","note":"Shared functions code, connect, retrieve. Can fill the same function slot."},{"from":"cursor","to":"executor","kind":"fills-same-slot-as","note":"Shared functions code, connect. Can fill the same function slot."},{"from":"cursor","to":"zillow-data-apis","kind":"fills-same-slot-as","note":"Shared functions connect, retrieve. Can fill the same function slot."},{"from":"cursor","to":"exa","kind":"fills-same-slot-as","note":"Shared functions connect, retrieve, tool-call. Can fill the same function slot."}],"signals":[{"key":"has_license","value":1,"source":"component-record","method":"declared-license","observedAt":"2026-09-13T08:56:02.860Z"}],"functionProbabilities":[],"claimVerification":[]}