{"slug":"darrylyeo-blockhead","name":"Blockhead","description":"An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞","tagline":"An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞","category":"web3-analytics","tags":["blockchain","web3","analytics","block-explorer","cryptocurrency-portfolio","data-agnostic","decentralized","defi","ens","ethereum"],"author":{"name":"darrylyeo","verified":false,"url":"https://github.com/darrylyeo"},"attribution":{"status":"community_indexed","statusLabel":"Community indexed","shortLabel":"COMMUNITY INDEXED","sourceLabel":"GitHub star discovery","sourceDetail":"darrylyeo/blockhead","creatorName":"darrylyeo","creatorUrl":"https://github.com/darrylyeo","sourceUrl":"https://github.com/darrylyeo/blockhead","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/darrylyeo-blockhead#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":132,"forks":49,"downloads":0,"rating":0,"review_count":0,"quality_score":41.57},"quality":{"score":63,"tier":"promising","label":"Promising","summary":"Useful candidate, but compare it with alternatives before adopting.","signals":[{"label":"GitHub stars","value":"132","tone":"neutral"},{"label":"Freshness","value":"4mo ago","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"Unknown","tone":"neutral"}],"warnings":[]},"trust":{"version":"trust-score-v4","score":75,"tier":"strong","label":"Strong shortlist","summary":"Good trust signals with a few areas worth checking before rollout.","recommendedAction":"Test in a sandbox workflow and compare its install path with close alternatives.","dimensions":[{"id":"github_adoption","label":"GitHub adoption","score":62,"weight":0.13,"status":"info","detail":"132 GitHub stars"},{"id":"repo_activity","label":"Stars/forks activity","score":57,"weight":0.08,"status":"warn","detail":"132 stars, 49 forks; issue activity unavailable in current metadata"},{"id":"maintenance","label":"Recent maintenance","score":76,"weight":0.14,"status":"info","detail":"4mo since push"},{"id":"license","label":"License clarity","score":42,"weight":0.09,"status":"warn","detail":"Unknown"},{"id":"documentation","label":"README/SKILL.md completeness","score":90,"weight":0.14,"status":"pass","detail":"Metadata includes enough usage and workflow context"},{"id":"dependency_risk","label":"Dependency/runtime risk","score":90,"weight":0.12,"status":"pass","detail":"no major dependency risk hints in public metadata"},{"id":"installability","label":"Install availability","score":92,"weight":0.1,"status":"pass","detail":"npx skills add darrylyeo/blockhead"},{"id":"install_safety","label":"Install command safety","score":92,"weight":0.1,"status":"pass","detail":"standard package or runtime install path"},{"id":"permission_surface","label":"Permission surface","score":86,"weight":0.07,"status":"pass","detail":"filesystem or document access"},{"id":"repository","label":"Repository evidence","score":86,"weight":0.04,"status":"pass","detail":"https://github.com/darrylyeo/blockhead"},{"id":"review_status","label":"Review status","score":88,"weight":0.05,"status":"pass","detail":"AI review data available"},{"id":"agent_outcomes","label":"Agent Proven outcomes","score":54,"weight":0.13,"status":"info","detail":"No agent outcome data yet"}],"checks":[{"status":"info","label":"GitHub adoption","detail":"132 GitHub stars"},{"status":"warn","label":"Stars/forks activity","detail":"132 stars, 49 forks; issue activity unavailable in current metadata"},{"status":"info","label":"Recent maintenance","detail":"4mo since push"},{"status":"warn","label":"License clarity","detail":"Unknown"},{"status":"pass","label":"README/SKILL.md completeness","detail":"Metadata includes enough usage and workflow context"},{"status":"pass","label":"Dependency/runtime risk","detail":"no major dependency risk hints in public metadata"},{"status":"pass","label":"Install availability","detail":"npx skills add darrylyeo/blockhead"},{"status":"pass","label":"Install command safety","detail":"standard package or runtime install path"},{"status":"pass","label":"Permission surface","detail":"filesystem or document access"},{"status":"pass","label":"Repository evidence","detail":"https://github.com/darrylyeo/blockhead"},{"status":"pass","label":"Review status","detail":"AI review data available"},{"status":"info","label":"Agent Proven outcomes","detail":"No agent outcome data yet"},{"status":"warn","label":"Ownership","detail":"No approved owner claim yet"},{"status":"info","label":"OpenAgentSkill usage","detail":"No local usage activity yet"},{"status":"info","label":"Agent outcomes","detail":"No agent outcome data yet"}],"strengths":["AI review approved","Install path is available","Repository evidence is available","Install command has no obvious high-risk pattern"],"warnings":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown"],"evidence":{"stars":"132 GitHub stars","repoActivity":"132 stars, 49 forks","lastPushed":"4mo since push","license":"Unknown","repository":"https://github.com/darrylyeo/blockhead","install":"npx skills add darrylyeo/blockhead","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"installReadiness":{"ready":true,"command":"npx skills add darrylyeo/blockhead","policy":"human_review_before_install","label":"Human review before install","notes":["Install path is available","Repository evidence is available","License is unclear","No Agent Proven outcome evidence yet","4mo since push"]},"agentCompatibility":["TypeScript","Blockchain","Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"riskSummary":{"level":"medium","label":"Review before production","notes":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"outcomeEvidence":{"total":0,"successes":0,"failures":0,"notRelevant":0,"successRate":null,"installAttempts":0,"riskBlocked":0,"setupRequired":0,"installSuccessRate":null,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"recentSuccessRate":null,"recentFailureRate":null,"uniqueAgents":0,"agentProvenScore":0,"agentProvenLabel":"Needs first agent run","lastOutcomeAt":null,"label":"No agent outcome data yet"},"autoInstall":{"allowed":false,"sandboxRequired":true,"policy":"human_review_before_install","reason":"Human review or sandbox validation is required before automatic installation."},"bestFor":["web3-analytics","blockchain","web3","analytics","block-explorer","cryptocurrency-portfolio"],"doNotUseFor":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace","Commercial reuse before clarifying license terms"],"knownRisks":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"safety":{"score":59,"level":"review_before_install","label":"Review before install","safety_tier":{"tier":"reviewed","label":"Reviewed with permission notes","badge":"REVIEWED","summary":"Usable candidate, but the agent should surface permission and audit notes before installation.","recommended_action":"Require human approval before installing into a real workspace.","auto_install_policy":"review","reasons":["License is unclear","59/100 agent safety score"]},"auto_install_allowed":false,"human_review_required":true,"blocked":false,"audit_risk":"needs_review","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":["License is unclear"],"constraints_applied":{"max_risk":"medium","needs_install_command":true,"min_stars":0}},"safety_gate":{"tier":"reviewed","label":"Reviewed with permission notes","badge":"REVIEWED","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Require human approval before installing into a real workspace.","reasons":["License is unclear","59/100 agent safety score"]},"supply_profile":{"track":{"slug":"finance","label":"Finance and quant workflows","shortLabel":"Finance","description":"Market data, SEC filings, portfolio analysis, quant research, backtesting, and risk workflows."},"scenario":{"label":"Finance and quant","description":"I need my agent to analyze markets, financial data, filings, portfolios, and quant strategies.","useCases":[{"slug":"github-automation","title":"GitHub automation"},{"slug":"finance-quant","title":"Finance and quant"},{"slug":"coding-agents","title":"Coding agents"}]},"applicableAgents":["Claude Code","CLI","Codex","Cursor","TypeScript"],"install":{"ready":true,"command":"npx skills add darrylyeo/blockhead","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":132,"starsLabel":"132","forks":49,"license":"Unknown","qualityScore":63,"trustScore":75,"auditScore":75},"maintenance":{"status":"active","label":"4mo since push","daysSincePush":106,"lastPushedAt":"2026-03-19T04:32:30+00:00"},"risk":{"level":"needs_review","label":"Needs review","requiresReview":true,"notes":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown","Needs review"]},"coverageTags":["Finance","Finance and quant","web3-analytics","blockchain","web3","analytics","block-explorer","cryptocurrency-portfolio"]},"audit":{"audit_score":75,"risk_level":"needs_review","risk_label":"Needs review","warnings":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"decision":{"readiness_score":62,"readiness_label":"Prototype first","headline":"Fallback candidate for GitHub automation","role":"Fallback candidate","primary_fit":"GitHub automation","best_for":["GitHub automation workflows","Claude Code teams","builders willing to evaluate younger projects"],"risks":["No OpenAgentSkill engagement data yet"],"next_steps":["Install it in a sandbox agent and run one GitHub automation 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."]},"agent_readable_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"darrylyeo-blockhead","name":"Blockhead","description":"An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞","category":"web3-analytics","url":"https://www.openagentskill.com/skills/darrylyeo-blockhead","repository":"https://github.com/darrylyeo/blockhead","github_repo":"darrylyeo/blockhead"},"suited_tasks":["GitHub automation workflows","Claude Code teams","builders willing to evaluate younger projects","Inspect repository metadata","Compare code changes","Write concise engineering summaries","Retrieve market data","Compare financial signals"],"suited_agents":["TypeScript","Blockchain","Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add darrylyeo/blockhead","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx skills add darrylyeo/blockhead"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"Blockhead\" agent skill from https://github.com/darrylyeo/blockhead. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞"},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"Blockhead\" as a Claude Code skill from https://github.com/darrylyeo/blockhead. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞"},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"Blockhead\" from https://github.com/darrylyeo/blockhead into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞"}],"handoff_url":"https://www.openagentskill.com/api/skills/darrylyeo-blockhead/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/darrylyeo-blockhead"},"trust":{"score":75,"label":"Strong shortlist","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"132 GitHub stars","repoActivity":"132 stars, 49 forks","lastPushed":"4mo since push","license":"Unknown","repository":"https://github.com/darrylyeo/blockhead","install":"npx skills add darrylyeo/blockhead","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["web3-analytics","blockchain","web3","analytics","block-explorer","cryptocurrency-portfolio"],"known_risks":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":75,"risk_level":"needs_review","risk_label":"Needs review","warnings":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"safety_gate":{"tier":"reviewed","label":"Reviewed with permission notes","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Require human approval before installing into a real workspace."},"quality":{"score":63,"label":"Promising"},"supply":{"track":"Finance and quant workflows","scenario":"Finance and quant","maintenance":"4mo since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","high-compliance environments without internal security review","No OpenAgentSkill engagement data yet","License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown","Production credentials, payments, or irreversible account changes without explicit human review"],"agent_contract":{"task_input":"Use Blockhead in an agent workflow","recommended_action":"Require human approval before installing into a real workspace.","install_policy":"review","minimum_review_before_use":["Trust: 75/100 Strong shortlist","Audit: 75/100 Needs review","Safety: 59/100 Review before install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"darrylyeo-blockhead (Blockhead)","install_command":"npx skills add darrylyeo/blockhead","risk_summary":"Needs review; Reviewed with permission notes; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"darrylyeo-blockhead","task":"Use Blockhead in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/darrylyeo-blockhead","api":"https://www.openagentskill.com/api/agent/skills/darrylyeo-blockhead","audit":"https://www.openagentskill.com/skills/darrylyeo-blockhead/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=darrylyeo-blockhead&task=Use%20Blockhead%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20Blockhead%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20Blockhead%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/darrylyeo-blockhead/install","manifest":"https://www.openagentskill.com/api/registry/manifest/darrylyeo-blockhead"}},"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"darrylyeo-blockhead","name":"Blockhead","description":"An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞","category":"web3-analytics","url":"https://www.openagentskill.com/skills/darrylyeo-blockhead","repository":"https://github.com/darrylyeo/blockhead","github_repo":"darrylyeo/blockhead"},"suited_tasks":["GitHub automation workflows","Claude Code teams","builders willing to evaluate younger projects","Inspect repository metadata","Compare code changes","Write concise engineering summaries","Retrieve market data","Compare financial signals"],"suited_agents":["TypeScript","Blockchain","Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add darrylyeo/blockhead","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx skills add darrylyeo/blockhead"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"Blockhead\" agent skill from https://github.com/darrylyeo/blockhead. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞"},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"Blockhead\" as a Claude Code skill from https://github.com/darrylyeo/blockhead. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞"},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"Blockhead\" from https://github.com/darrylyeo/blockhead into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞"}],"handoff_url":"https://www.openagentskill.com/api/skills/darrylyeo-blockhead/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/darrylyeo-blockhead"},"trust":{"score":75,"label":"Strong shortlist","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"132 GitHub stars","repoActivity":"132 stars, 49 forks","lastPushed":"4mo since push","license":"Unknown","repository":"https://github.com/darrylyeo/blockhead","install":"npx skills add darrylyeo/blockhead","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["web3-analytics","blockchain","web3","analytics","block-explorer","cryptocurrency-portfolio"],"known_risks":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":75,"risk_level":"needs_review","risk_label":"Needs review","warnings":["License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown"]},"safety_gate":{"tier":"reviewed","label":"Reviewed with permission notes","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Require human approval before installing into a real workspace."},"quality":{"score":63,"label":"Promising"},"supply":{"track":"Finance and quant workflows","scenario":"Finance and quant","maintenance":"4mo since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","high-compliance environments without internal security review","No OpenAgentSkill engagement data yet","License is unclear","Quality score needs review","Stars/forks activity: 132 stars, 49 forks; issue activity unavailable in current metadata","License clarity: Unknown","Production credentials, payments, or irreversible account changes without explicit human review"],"agent_contract":{"task_input":"Use Blockhead in an agent workflow","recommended_action":"Require human approval before installing into a real workspace.","install_policy":"review","minimum_review_before_use":["Trust: 75/100 Strong shortlist","Audit: 75/100 Needs review","Safety: 59/100 Review before install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"darrylyeo-blockhead (Blockhead)","install_command":"npx skills add darrylyeo/blockhead","risk_summary":"Needs review; Reviewed with permission notes; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"darrylyeo-blockhead","task":"Use Blockhead in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/darrylyeo-blockhead","api":"https://www.openagentskill.com/api/agent/skills/darrylyeo-blockhead","audit":"https://www.openagentskill.com/skills/darrylyeo-blockhead/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=darrylyeo-blockhead&task=Use%20Blockhead%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20Blockhead%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20Blockhead%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/darrylyeo-blockhead/install","manifest":"https://www.openagentskill.com/api/registry/manifest/darrylyeo-blockhead"}},"platforms":["TypeScript","Blockchain","Claude Code"],"use_cases":[{"slug":"github-automation","title":"GitHub automation","url":"https://www.openagentskill.com/use-cases/github-automation"},{"slug":"finance-quant","title":"Finance and quant","url":"https://www.openagentskill.com/use-cases/finance-quant"},{"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"}],"install":"npx skills add darrylyeo/blockhead","install_targets":[{"id":"openagentskill-cli","label":"CLI","title":"OpenAgentSkill CLI","kind":"command","value":"npx skills add darrylyeo/blockhead","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 \"Blockhead\" agent skill from https://github.com/darrylyeo/blockhead. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞","description":"Give Codex a repo-aware install prompt when the skill is not available through a local CLI.","copyLabel":"Copy prompt"},{"id":"claude-code","label":"Claude Code","title":"Claude Code skill prompt","kind":"agent-prompt","value":"Add \"Blockhead\" as a Claude Code skill from https://github.com/darrylyeo/blockhead. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞","description":"Use this prompt to ask Claude Code to add the skill and explain the local activation steps.","copyLabel":"Copy prompt"},{"id":"cursor","label":"Cursor","title":"Cursor rule prompt","kind":"agent-prompt","value":"Turn \"Blockhead\" from https://github.com/darrylyeo/blockhead into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: An open-source interface for the decentralized web. Track, visualize and explore EVM-based blockchains, onchain accounts, smart contracts, transactions, DeFi apps and web3 protocols in one place – YOU decide which data sources to use! B⃞","description":"Use this when installing as Cursor project rules or reusable agent instructions.","copyLabel":"Copy prompt"}],"repository":"https://github.com/darrylyeo/blockhead","github_repo":"darrylyeo/blockhead","version":"1.0.0","license":"Unknown","updated_at":"2026-06-21T02:57:06.917808+00:00","canonical_key":"darrylyeo/blockhead","recommendation_reasons":["Install handoff is available","Repository freshness signal is available"],"urls":{"web":"https://www.openagentskill.com/skills/darrylyeo-blockhead","api":"https://www.openagentskill.com/api/agent/skills/darrylyeo-blockhead","install_api":"https://www.openagentskill.com/api/skills/darrylyeo-blockhead/install","audit":"https://www.openagentskill.com/skills/darrylyeo-blockhead/audit","repository":"https://github.com/darrylyeo/blockhead"},"meta":{"endpoint":"/api/registry/manifest/{slug}","canonical_agent_endpoint":"/api/agent/skills/darrylyeo-blockhead","agent_friendly":true,"api_version":"1.0","generated_at":"2026-07-03T22:44:27.679Z"}}