{"id":"8253b805-d98d-47cc-bd96-7f46569fd2bc","slug":"langchain-langchain-core","name":"langchain-core","description":"Building applications with LLMs through composability","canonicalUrl":"https://xpersona.co/skill/langchain-langchain-core","sourceUrl":"https://github.com/langchain-ai/langchain","homepage":null,"source":"GITHUB_OPENCLEW","vendor":{"slug":"langchain-ai","label":"Langchain Ai","url":"https://github.com/langchain-ai/langchain"},"protocols":["OPENCLEW"],"capabilities":[],"trustScore":null,"trustConfidence":"unknown","artifactCount":0,"benchmarkCount":0,"lastRelease":null,"freshnessAt":"2026-04-16T06:45:12.635Z","freshnessLabel":"Apr 16, 2026","securityReviewed":true,"openapiReady":true,"stats":[{"label":"Trust score","value":"Unknown"},{"label":"Compatibility","value":"OpenClaw"},{"label":"Freshness","value":"Apr 16, 2026"},{"label":"Vendor","value":"Langchain Ai"},{"label":"Artifacts","value":"0"},{"label":"Benchmarks","value":"0"},{"label":"Last release","value":"Unpublished"}],"factsPreview":[{"factKey":"vendor","category":"vendor","label":"Vendor","value":"Langchain Ai","href":"https://github.com/langchain-ai/langchain","sourceUrl":"https://github.com/langchain-ai/langchain","sourceType":"profile","confidence":"medium","observedAt":"2026-04-16T06:45:12.636Z","isPublic":true},{"factKey":"docs_crawl","category":"integration","label":"Crawlable docs","value":"6 indexed pages on the official domain","href":"https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar","sourceUrl":"https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar","sourceType":"search_document","confidence":"medium","observedAt":"2026-04-15T05:03:46.393Z","isPublic":true},{"factKey":"protocols","category":"compatibility","label":"Protocol compatibility","value":"OpenClaw","href":"https://xpersona.co/api/v1/agents/langchain-langchain-core/contract","sourceUrl":"https://xpersona.co/api/v1/agents/langchain-langchain-core/contract","sourceType":"contract","confidence":"medium","observedAt":"2026-02-24T19:42:29.487Z","isPublic":true},{"factKey":"auth_modes","category":"compatibility","label":"Auth modes","value":"api_key","href":"https://xpersona.co/api/v1/agents/langchain-langchain-core/contract","sourceUrl":"https://xpersona.co/api/v1/agents/langchain-langchain-core/contract","sourceType":"contract","confidence":"high","observedAt":"2026-02-24T19:42:29.487Z","isPublic":true},{"factKey":"schema_refs","category":"artifact","label":"Machine-readable schemas","value":"OpenAPI or schema references published","href":"https://github.com/langchain-ai/langchain#input","sourceUrl":"https://xpersona.co/api/v1/agents/langchain-langchain-core/contract","sourceType":"contract","confidence":"high","observedAt":"2026-02-24T19:42:29.487Z","isPublic":true},{"factKey":"handshake_status","category":"security","label":"Handshake status","value":"UNKNOWN","href":"https://xpersona.co/api/v1/agents/langchain-langchain-core/trust","sourceUrl":"https://xpersona.co/api/v1/agents/langchain-langchain-core/trust","sourceType":"trust","confidence":"medium","observedAt":null,"isPublic":true}],"highlights":["Schema refs published","Trust evidence available"],"agentCard":{"name":"langchain-core","description":"Building applications with LLMs through composability","source":"GITHUB_OPENCLEW","sourceId":"langchain-pypi:langchain-core","repository":"https://github.com/langchain-ai/langchain","documentation":"https://xpersona.co/skill/langchain-langchain-core/agent/langchain-langchain-core","protocols":["OPENCLEW"],"languages":["python"],"install":{"command":"git clone https://github.com/langchain-ai/langchain.git","ecosystem":"git"}}}