{"slug":"listmonk","name":"listmonk","summary":"Free and open-source self-hosted app for newsletters, mailing lists, and templated transactional messages, with subscriber segmentation, campaign analytics, and delivery through email and other messenger interfaces.","publisher":"knadh","homepage":"https://listmonk.app","kind":"app","hasApi":true,"hasMcp":false,"costRange":"free","costNotes":"The page states that listmonk is free and open source and is self-hosted. Costs for hosting, SMTP, SMS, WhatsApp, or other delivery providers are not stated.","functions":["compose","memory","auth"],"slices":[{"functionId":"auth","label":"OIDC SSO and API tokens","note":"OIDC SSO with granular roles and permissions, plus granular API tokens.","cost":"free"},{"functionId":"compose","label":"compose","note":"Inferred from executor","cost":"Unknown"},{"functionId":"memory","label":"memory","note":"Inferred from executor","cost":"Unknown"}],"interfaces":[{"kind":"http"}],"composabilityRationale":"The page states a simple API for templated transactional messages, extensive API coverage, granular API tokens, multi-SMTP queues, messenger HTTP webhooks, and an S3-compatible media library. MCP support is not stated.","signals":[],"functionProbabilities":[{"functionId":"compose","value":0.8,"source":"https://listmonk.app","method":"lexical","observedAt":"2026-10-19T01:31:15.885Z"},{"functionId":"memory","value":0.8,"source":"https://listmonk.app","method":"lexical","observedAt":"2026-10-19T01:31:15.885Z"},{"functionId":"auth","value":0.72,"source":"https://listmonk.app","method":"lexical","observedAt":"2026-10-19T01:31:15.885Z"}],"claimVerification":[{"key":"mcp","status":"unverified","asserted":"false","evidenceSource":"https://listmonk.app","method":"fallback"},{"key":"api","status":"unverified","asserted":"true","evidenceSource":"https://listmonk.app","method":"fallback"},{"key":"cost","status":"unverified","asserted":"free","evidenceSource":"https://listmonk.app","method":"fallback"},{"key":"license","status":"unverified","asserted":"","evidenceSource":"https://listmonk.app","method":"fallback"}],"tweets":[],"notes":[],"origin":"intake","createdAt":"2026-10-19T01:31:16.680Z","updatedAt":"2026-10-19T01:31:16.680Z","sources":[{"kind":"web","label":"executor","url":"https://listmonk.app","excerpt":"The latest version is v6.2.0 released on 26 Jun 2026. See release notes.\n\nDownload and use the sample docker-compose.yml\n\n> # Download the compose file to the current directory. curl -LO https://github.com/knadh/listmonk/raw/master/docker-c","at":"2026-10-19T01:31:16.680Z"}],"recordId":"cmp_listmonk","claims":{"name":"listmonk","summary":"Free and open-source self-hosted app for newsletters, mailing lists, and templated transactional messages, with subscriber segmentation, campaign analytics, and delivery through email and other messenger interfaces.","kind":"app","publisher":"knadh","homepage":"https://listmonk.app","costRange":"free","costNotes":"The page states that listmonk is free and open source and is self-hosted. Costs for hosting, SMTP, SMS, WhatsApp, or other delivery providers are not stated.","functions":["compose","memory","auth"],"slices":[{"functionId":"auth","label":"OIDC SSO and API tokens","note":"OIDC SSO with granular roles and permissions, plus granular API tokens.","cost":"free"},{"functionId":"compose","label":"compose","note":"Inferred from executor","cost":"Unknown"},{"functionId":"memory","label":"memory","note":"Inferred from executor","cost":"Unknown"}],"interfaces":[{"kind":"http"}],"composabilityRationale":"The page states a simple API for templated transactional messages, extensive API coverage, granular API tokens, multi-SMTP queues, messenger HTTP webhooks, and an S3-compatible media library. MCP support is not stated."},"relations":[{"from":"listmonk","to":"vellum-assistant","kind":"fills-same-slot-as","note":"Shared functions auth, memory. Can fill the same function slot."},{"from":"listmonk","to":"ai-agent-sandbox-comparison-2026-seven-platforms","kind":"fills-same-slot-as","note":"Shared functions auth, compose, memory. Can fill the same function slot."},{"from":"listmonk","to":"how-hopx-achieves-100ms-cold-starts","kind":"fills-same-slot-as","note":"Shared functions auth, memory. Can fill the same function slot."},{"from":"listmonk","to":"e2b-vs-modal-vs-daytona-ai-sandbox-pricing-2026","kind":"fills-same-slot-as","note":"Shared functions compose, memory. Can fill the same function slot."},{"from":"listmonk","to":"best-code-execution-sandbox-for-ai-agents-in-2026","kind":"fills-same-slot-as","note":"Shared functions compose, memory. Can fill the same function slot."},{"from":"listmonk","to":"daytona-alternatives-4-ai-agent-sandbox-platforms-compared-2026","kind":"fills-same-slot-as","note":"Shared functions compose, memory. Can fill the same function slot."},{"from":"listmonk","to":"freestyle-vms","kind":"fills-same-slot-as","note":"Shared functions auth, memory. Can fill the same function slot."}],"explain":{"score":9,"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,"why":"insufficient evidence","sources":[],"evidence":"insufficient"},{"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":"No MCP surface is declared. An API is declared. Cost is free. 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 2026-10-19. Freshness is omitted unless observed as a signal.","sources":[{"kind":"web","label":"executor","url":"https://listmonk.app","excerpt":"The latest version is v6.2.0 released on 26 Jun 2026. See release notes.\n\nDownload and use the sample docker-compose.yml\n\n> # Download the compose file to the current directory. curl -LO https://github.com/knadh/listmonk/raw/master/docker-c","at":"2026-10-19T01:31:16.680Z"}],"evidence":"observed"},{"id":"benchmark","label":"Benchmarks","weight":0.12,"why":"insufficient evidence","sources":[],"evidence":"insufficient"}],"missing":["GitHub health: insufficient evidence","Agent use: insufficient evidence","Human notes: insufficient evidence","Composability: insufficient evidence","Benchmarks: insufficient evidence"]},"score":9}