{"slug":"masscodeio-masscode","name":"MassCode","description":"A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.","tagline":"A free, open-source developer workspace. Snippets, notes, HTTP requests, calculations, and dev tools in one local-first app.","category":"coding-agents","tags":["developer-tools","automation","coding","api-client","code-snippets","electron","http-client","knowledge-base","linux","local-first"],"author":{"name":"massCodeIO","verified":true,"url":"https://github.com/massCodeIO"},"attribution":{"status":"community_indexed","statusLabel":"Community indexed","shortLabel":"COMMUNITY INDEXED","sourceLabel":"GitHub star discovery","sourceDetail":"massCodeIO/massCode","creatorName":"massCodeIO","creatorUrl":"https://github.com/massCodeIO","sourceUrl":"https://github.com/massCodeIO/massCode","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/masscodeio-masscode#claim-this-skill","claimCta":"Claim this skill","trustNote":"This listing was indexed from public sources and is not marked official until a maintainer claim is approved.","publicNote":"Attribution links to the public repository or creator profile. Creators can claim the listing to update ownership signals."},"stats":{"stars":6832,"forks":258,"downloads":0,"rating":0,"review_count":0,"quality_score":68.54},"quality":{"score":100,"tier":"excellent","label":"Excellent","summary":"High-confidence pick with strong adoption and healthy maintenance signals.","signals":[{"label":"GitHub stars","value":"6.8K","tone":"positive"},{"label":"Freshness","value":"Today","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"AGPL-3.0","tone":"neutral"}],"warnings":[]},"trust":{"version":"trust-score-v2","score":96,"tier":"production","label":"Production candidate","summary":"Strong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency risk, and install availability.","recommendedAction":"Shortlist for production use, then run a normal repository and dependency review.","dimensions":[{"id":"github_adoption","label":"GitHub adoption","score":94,"weight":0.16,"status":"pass","detail":"6.8K GitHub stars"},{"id":"maintenance","label":"Recent maintenance","score":100,"weight":0.18,"status":"pass","detail":"Pushed today"},{"id":"license","label":"License clarity","score":86,"weight":0.1,"status":"pass","detail":"AGPL-3.0"},{"id":"documentation","label":"README/SKILL.md completeness","score":90,"weight":0.16,"status":"pass","detail":"Metadata includes enough usage and workflow context"},{"id":"dependency_risk","label":"Dependency risk","score":82,"weight":0.14,"status":"pass","detail":"network or browser surface"},{"id":"installability","label":"Install availability","score":92,"weight":0.14,"status":"pass","detail":"npx skills add massCodeIO/massCode"},{"id":"repository","label":"Repository evidence","score":86,"weight":0.06,"status":"pass","detail":"https://github.com/massCodeIO/massCode"},{"id":"review_status","label":"Review status","score":88,"weight":0.06,"status":"pass","detail":"AI review data available"}],"checks":[{"status":"pass","label":"GitHub adoption","detail":"6.8K GitHub stars"},{"status":"pass","label":"Recent maintenance","detail":"Pushed today"},{"status":"pass","label":"License clarity","detail":"AGPL-3.0"},{"status":"pass","label":"README/SKILL.md completeness","detail":"Metadata includes enough usage and workflow context"},{"status":"pass","label":"Dependency risk","detail":"network or browser surface"},{"status":"pass","label":"Install availability","detail":"npx skills add massCodeIO/massCode"},{"status":"pass","label":"Repository evidence","detail":"https://github.com/massCodeIO/massCode"},{"status":"pass","label":"Review status","detail":"AI review data available"},{"status":"pass","label":"Ownership","detail":"Listing manually verified"},{"status":"info","label":"OpenAgentSkill usage","detail":"No local usage activity yet"}],"strengths":["Manually verified listing","AI review approved","Install path is available","Repository evidence is available","Recently maintained repository","Large GitHub adoption signal"],"warnings":[],"evidence":{"stars":"6.8K GitHub stars","lastPushed":"Pushed today","license":"AGPL-3.0","repository":"https://github.com/massCodeIO/massCode","install":"npx skills add massCodeIO/massCode","documentation":"Strong README/SKILL.md context"},"installReadiness":{"ready":true,"command":"npx skills add massCodeIO/massCode","policy":"agent_install_candidate","label":"Agent install candidate","notes":["Install path is available","Repository evidence is available","License is declared","Pushed today"]},"agentCompatibility":["TypeScript","Developer Tools","Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"riskSummary":{"level":"low","label":"Low metadata risk","notes":["No major trust warnings detected from available metadata"]}},"safety":{"score":89,"level":"safe_to_install","label":"Safe to install with normal review","safety_tier":{"tier":"verified","label":"Verified","badge":"VERIFIED","summary":"Strong metadata, audit, install, and review signals. Suitable for agent shortlists after normal workspace review.","recommended_action":"Allow agent install in a sandbox or low-risk workspace, then promote after one successful narrow task.","auto_install_policy":"allow","reasons":["Verified listing","Safe-to-try audit","89/100 agent safety score"]},"auto_install_allowed":true,"human_review_required":false,"blocked":false,"audit_risk":"safe_to_try","permission_hints":[{"id":"network","label":"Network access","reason":"Skill likely fetches remote pages, APIs, repositories, or external services.","severity":"medium"},{"id":"filesystem","label":"Filesystem access","reason":"Skill may read or write project files, documents, generated artifacts, or local workspace state.","severity":"medium"}],"policy_warnings":[],"constraints_applied":{"max_risk":"medium","needs_install_command":true,"min_stars":0}},"safety_gate":{"tier":"verified","label":"Verified","badge":"VERIFIED","auto_install_policy":"allow","auto_install_allowed":true,"human_review_required":false,"blocked":false,"recommended_action":"Allow agent install in a sandbox or low-risk workspace, then promote after one successful narrow task.","reasons":["Verified listing","Safe-to-try audit","89/100 agent safety score"]},"supply_profile":{"track":{"slug":"coding","label":"Coding and developer agents","shortLabel":"Coding","description":"Code review, repo analysis, testing, CI, GitHub, DevOps, and developer workflow skills."},"scenario":{"label":"Coding agents","description":"I need a coding agent that can understand a repository, edit code, and review pull requests.","useCases":[{"slug":"coding-agents","title":"Coding agents"},{"slug":"rag-knowledge","title":"RAG and knowledge"},{"slug":"local-desktop","title":"Local desktop"}]},"applicableAgents":["Claude Code","CLI","Codex","Cursor","TypeScript"],"install":{"ready":true,"command":"npx skills add massCodeIO/massCode","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":6832,"starsLabel":"6.8K","forks":258,"license":"AGPL-3.0","qualityScore":100,"trustScore":96,"auditScore":97},"maintenance":{"status":"fresh","label":"Pushed today","daysSincePush":0,"lastPushedAt":"2026-06-16T08:42:06+00:00"},"risk":{"level":"safe_to_try","label":"Safe to try","requiresReview":false,"notes":["No major risk signals from available metadata"]},"coverageTags":["Coding","Coding agents","coding-agents","developer-tools","automation","api-client","code-snippets","electron"]},"audit":{"audit_score":97,"risk_level":"safe_to_try","risk_label":"Safe to try","warnings":[]},"decision":{"readiness_score":100,"readiness_label":"Production-ready","headline":"Primary pick for Coding agents","role":"Primary pick","primary_fit":"Coding agents","best_for":["Coding agents workflows","Claude Code teams","teams that value GitHub adoption signals"],"risks":["No OpenAgentSkill engagement data yet"],"next_steps":["Install it in a sandbox agent and run one Coding agents task end to end.","Compare output quality, latency, and failure behavior against at least one alternative.","Promote it into production only after reviewing repository permissions, license, and maintenance signals."]},"platforms":["TypeScript","Developer Tools","Claude Code"],"use_cases":[{"slug":"coding-agents","title":"Coding agents","url":"https://www.openagentskill.com/use-cases/coding-agents"},{"slug":"rag-knowledge","title":"RAG and knowledge","url":"https://www.openagentskill.com/use-cases/rag-knowledge"},{"slug":"local-desktop","title":"Local desktop","url":"https://www.openagentskill.com/use-cases/local-desktop"},{"slug":"workflow-automation","title":"Workflow automation","url":"https://www.openagentskill.com/use-cases/workflow-automation"}],"install":"npx skills add massCodeIO/massCode","install_targets":[{"id":"openagentskill-cli","label":"CLI","title":"OpenAgentSkill CLI","kind":"command","value":"npx skills add massCodeIO/massCode","description":"Use the registry command when your workflow supports the OpenAgentSkill installer.","copyLabel":"Copy command"},{"id":"codex","label":"Codex","title":"Codex install prompt","kind":"agent-prompt","value":"Install the \"MassCode\" agent skill from https://github.com/massCodeIO/massCode. 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