{"id":"skill-library-crystallization","slug":"skill-library-crystallization","name":"Executable Skill & Tool Library Crystallization (Voyager-Style Verified Code Reuse)","shortName":"Skill library crystallization","problemStatement":"Turn multi-step trajectories that succeeded in an isolated sandbox into parameterized, unit-tested, reusable skills (`SKILL.md` + deterministic scripts) so future agent runs invoke a verified tool instead of re-deriving brittle multi-turn plans.","whenNotTopPick":"Need stateful, persistent agent memory blocks attached to an agent runtime — Letta; need the evaluation harness to grade candidate skills across 100+ test inputs before promotion — Braintrust; need full git-workspace container persistence across days — Daytona.","categoryIds":["cat-sandboxes-browsers","cat-observability"],"depotPickProviderId":"e2b","depotPickRationale":"E2B boots isolated Firecracker microVMs in ~150ms ($0.000014/vCPU-s, $0.0000045/GiB-s as of 2026-10-28), providing the clean-room execution substrate required to synthesize a candidate script, run unit tests + adversarial edge cases, and verify zero side effects before crystallizing it into the agent's skill library.","runnersUpIds":["letta","braintrust","daytona"],"weights":{"capabilityFit":0.28,"pricePerformance":0.16,"latencyReliability":0.18,"developerDx":0.16,"privacyPosture":0.1,"lockInRisk":0.06,"maturity":0.06},"methodologyNotes":"Inspired by Voyager (Wang et al.): an agent only promotes a synthesized tool/skill into its reusable library after the code passes automated unit tests and exit-code verification inside a disposable sandbox, preventing broken helpers from polluting future prompts.","tags":["learning","skills","voyager","tool-synthesis","sandbox","self-improvement","crystallization"],"scoreMargin":1.19,"isNearTie":false,"pickConfidenceBand":"clear_leader","nearTie":{"isNearTie":false,"scoreMargin":1.19,"threshold":0.35,"pickConfidenceBand":"clear_leader","coPickProviderId":"letta","coPickProviderName":"Letta Cloud","coPickScore":7.46,"decidingFactor":"capabilityFit (9.4 vs 8)","methodologyWarning":null,"tieBreakerRule":"Need stateful, persistent agent memory blocks attached to an agent runtime — Letta; need the evaluation harness to grade candidate skills across 100+ test inputs before promotion — Braintrust; need full git-workspace container persistence across days — Daytona."},"evidenceStatus":{"decisionRole":"independent_prior_and_candidate_generator","positioning":"The independent, agent-readable prior for choosing AI infrastructure — not a universal router, generic marketplace, or synthetic leaderboard.","freshnessThresholdDays":30,"freshness_policy":{"policy_version":"agentdepot.freshness_policy.v1","threshold_days":30},"freshness_state":"fresh","editorial_freshness_state":"fresh","unqualified_current_pick_allowed":true,"pick_qualification":"qualified_current_pick","promotionClass":"deterministic_source_reverified","evidenceClass":"editorial_prior","staleDowngraded":false,"effectiveConfidence":"medium_reverified","confidenceHalfWidth":0.5,"pickScoreAgeDays":0,"editorialJudgmentAgeDays":0,"pricingAgeDays":0,"isPickScoreStale":false,"isPricingStale":false,"editorialJudgmentAsOf":"2026-10-28","pricingVerifiedAt":"2026-10-28","outcomeVerifiedAt":null,"effectiveVerifiedAsOf":"2026-10-28","downgradeReasons":[],"stalenessWarning":"Editorial judgment and deterministic pricing verification are both within the 30-day freshness threshold.","promotionGate":{"deterministicPricingCheck":true,"approvedScoreReaffirm":true,"pendingHumanReviewBlock":false,"zeroUnverifiedSkus":true,"costEfficiencyConsistent":true,"lockInAndReliabilityConsistent":true,"secondModelOrRuleAudit":true,"countersignReceiptIds":["cs-64391106","cs-2e116f7d"],"otsAttestationHead":"b32634d5784cbfe663be0a16cce4f60a3ff1c3d4490437be00361cb4ae5d5d59","sourceCheckDate":"2026-10-28","activePricingRowsCount":13,"freeResourcesCount":1,"runnerUpPricingRowsCount":18},"claimProvenance":{"claim_id":"claim:skill-library-crystallization:e2b:depot-pick","provider_id":"e2b","jtbd_id":"skill-library-crystallization","primary_url":"https://www.e2b.dev/docs/use-cases/computer-use","source_type":"primary_docs","source_revision":"sha256:bc135daecff33794","observed_at":"2026-10-28","checked_at":"2026-10-28","claim_support_state":"claim_specific_supported","max_allowed_evidence_class":"replicated_outcome","defect_codes":[],"sources":[{"original_url":"https://e2b.dev","final_url":"https://e2b.dev","redirected":false,"http_status":200,"reachable":true,"source_type":"generic_homepage","is_claim_specific":false,"source_revision":"sha256:e308a43df7818e16","observed_at":"2026-10-28","checked_at":"2026-10-28"},{"original_url":"https://www.e2b.dev/docs/use-cases/computer-use","final_url":"https://www.e2b.dev/docs/use-cases/computer-use","redirected":false,"http_status":200,"reachable":true,"source_type":"primary_docs","is_claim_specific":true,"source_revision":"sha256:bc135daecff33794","observed_at":"2026-10-28","checked_at":"2026-10-28"}]},"verifiedOutcomeSummary":{"totalVerifiedReceipts":0,"byEvidenceTier":{"E0_ASSERTION":0,"E1_SOURCE_BOUND":0,"E2_DELIVERY":0,"E3_INDEPENDENT_OUTCOME":0,"E4_REPLICATED_OUTCOME":0},"bySubjectLayer":{"provider":0,"product":0,"model_version":0,"runtime_route":0}}},"pickScoreDetails":{"scoreRange":[8.15,9.15],"formattedScore":"8.7 ± 0.5 (8.2–9.2 · editorial_prior)","evidenceClass":"editorial_prior","promotionClass":"deterministic_source_reverified","staleDowngraded":false,"freshState":"fresh","freshness_state":"fresh","effectiveConfidence":"medium_reverified","confidenceInterval":{"low":8.15,"mid":8.65,"high":9.15,"halfWidth":0.5,"confidenceLevel":0.8,"basis":"deterministic_source_reverified_interval_0.5"},"editorialJudgmentAsOf":"2026-10-28","sourceAgeDays":0,"pricingVerifiedAt":"2026-10-28","pricingAgeDays":0,"outcomeVerifiedAt":null,"effectiveVerifiedAsOf":"2026-10-28","dissentingEvidence":["Per-sandbox-second costs add up","Less persistent than Daytona workspaces","Younger than hyperscalers","When not to use top pick: Need stateful, persistent agent memory blocks attached to an agent runtime — Letta; need the evaluation harness to grade candidate skills across 100+ test inputs before promotion — Braintrust; need full git-workspace container persistence across days — Daytona.","Runner-up Letta Cloud (letta) is the primary alternative when constraints disqualify E2B."],"whatWouldChangePick":["Caller constraint matching: Need stateful, persistent agent memory blocks attached to an agent runtime — Letta; need the evaluation harness to grade candidate skills across 100+ test inputs before promotion — Braintrust; need full git-workspace container persistence across days — Daytona.","Live quota or rate-limit exhaustion on e2b (pass ?exhausted=e2b or liveQuota.exhaustedProviders=[\"e2b\"] to promote letta).","Active subscription or enterprise commit on letta combined with low switching-cost tolerance (existingSubscriptions + switchingCost.maxMigrationEffort=\"low\").","Sourced price increase >20% on https://e2b.dev or unverified SKU drift detected by npm run check:sources."],"claimProvenance":{"claim_id":"claim:skill-library-crystallization:e2b:depot-pick","provider_id":"e2b","jtbd_id":"skill-library-crystallization","primary_url":"https://www.e2b.dev/docs/use-cases/computer-use","source_type":"primary_docs","source_revision":"sha256:bc135daecff33794","observed_at":"2026-10-28","checked_at":"2026-10-28","claim_support_state":"claim_specific_supported","max_allowed_evidence_class":"replicated_outcome","defect_codes":[],"sources":[{"original_url":"https://e2b.dev","final_url":"https://e2b.dev","redirected":false,"http_status":200,"reachable":true,"source_type":"generic_homepage","is_claim_specific":false,"source_revision":"sha256:e308a43df7818e16","observed_at":"2026-10-28","checked_at":"2026-10-28"},{"original_url":"https://www.e2b.dev/docs/use-cases/computer-use","final_url":"https://www.e2b.dev/docs/use-cases/computer-use","redirected":false,"http_status":200,"reachable":true,"source_type":"primary_docs","is_claim_specific":true,"source_revision":"sha256:bc135daecff33794","observed_at":"2026-10-28","checked_at":"2026-10-28"}]},"calibratedScore":{"point":8.65,"band":[8.15,9.15],"interval":{"lower":8.15,"upper":9.15,"half_width":0.5},"score_kind":"source_bound_prior_band","evidence_class":"source_bound","confidence":"low","confidence_ceiling":"medium","age_days":0,"dissent":["Per-sandbox-second costs add up","Less persistent than Daytona workspaces","Younger than hyperscalers","When not to use top pick: Need stateful, persistent agent memory blocks attached to an agent runtime — Letta; need the evaluation harness to grade candidate skills across 100+ test inputs before promotion — Braintrust; need full git-workspace container persistence across days — Daytona.","Runner-up Letta Cloud (letta) is the primary alternative when constraints disqualify E2B."],"what_would_change_this":["Caller constraint matching: Need stateful, persistent agent memory blocks attached to an agent runtime — Letta; need the evaluation harness to grade candidate skills across 100+ test inputs before promotion — Braintrust; need full git-workspace container persistence across days — Daytona.","Live quota or rate-limit exhaustion on e2b (pass ?exhausted=e2b or liveQuota.exhaustedProviders=[\"e2b\"] to promote letta).","Active subscription or enterprise commit on letta combined with low switching-cost tolerance (existingSubscriptions + switchingCost.maxMigrationEffort=\"low\").","Sourced price increase >20% on https://e2b.dev or unverified SKU drift detected by npm run check:sources."],"subject_layer":"provider"},"subject_ref":{"layer":"provider","provider_id":"e2b","product_id":"e2b-core","model_id":null,"version":null,"route_class":null,"inheritance_policy":"no_cross_layer_inheritance"}},"runtimeRoutes":[{"routeId":"skill-library-crystallization:e2b:primary","roleForJob":"depot_pick","provider":{"id":"e2b","slug":"e2b","name":"E2B","website":"https://e2b.dev","status":"active"},"model":{"representativeModelId":"Pro","skuId":"e2b-pro-usd-per-month","unit":"usd_per_month","amountUsd":150,"sourceUrl":"https://e2b.dev/pricing","asOf":"2026-10-28"},"servingRoute":{"primaryRouteType":"self_hosted_or_oss_compatible","endpointPattern":"https://e2b.dev (self hosted or oss compatible)","aggregatorAlternatives":[{"aggregatorId":"direct-only","name":"E2B Direct API","routeType":"first_party","tradeoff":"Direct vendor SDK/REST contract; pair with runner-up for multi-vendor failover."}]},"accountAndQuota":{"freeTierAvailable":true,"freeTierSummary":"E2B SDK (oss, asOf 2026-10-25)","rateLimitsSummary":"Hobby: Hobby FREE /$100 of usage in credits + Usage Costs … $100 one-time usage credit Sessions u","subscriptionFirstEligible":true,"documentedPlansCount":4},"regions":{"supportedRegions":["us","eu","global"],"multiRegionFailover":true,"euResidencyAvailable":true},"toolSchemaSupport":{"strictJsonSchema":true,"parallelToolCalls":false,"mcpServerAvailable":true,"streamingSupported":true},"latencyTier":{"tier":"standard_1s_to_5s","latencyReliabilityScore":8.6,"coldStartNotes":"Standard warm pool; check provider SLA for burst concurrency"},"privacyConfig":{"privacyPostureScore":8.5,"zeroDataRetentionAvailable":true,"trainsOnApiDataByDefault":false,"hipaaEligible":true,"selfHostable":true},"availabilityStatus":{"providerStatus":"active","verifiedActiveSkus":13,"unverifiedSkus":0,"liveFailoverTargetId":"letta"},"subject_ref":{"layer":"runtime_route","subject_id":"runtime_route:e2b:Pro:self_hosted_or_oss_compatible:us","provider_id":"e2b","product_id":"e2b-core","model_id":"Pro","version":"2026-10-28","route_class":"self_hosted_or_oss_compatible","region":"us","score_status":"unknown","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"},"distinctRouteSubjects":[{"layer":"runtime_route","subject_id":"runtime_route:e2b:Pro:direct_api:us","provider_id":"e2b","product_id":"e2b-core","model_id":"Pro","version":"2026-10-28","route_class":"direct_api","region":"us","score_status":"layer_evidenced","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"}]},{"routeId":"skill-library-crystallization:letta:primary","roleForJob":"runner_up","provider":{"id":"letta","slug":"letta","name":"Letta Cloud","website":"https://www.letta.com","status":"active"},"model":{"representativeModelId":"Letta Cloud Primary Runtime","skuId":null,"unit":null,"amountUsd":null,"sourceUrl":"https://www.letta.com","asOf":"2026-10-28"},"servingRoute":{"primaryRouteType":"self_hosted_or_oss_compatible","endpointPattern":"https://www.letta.com (self hosted or oss compatible)","aggregatorAlternatives":[{"aggregatorId":"direct-only","name":"Letta Cloud Direct API","routeType":"first_party","tradeoff":"Direct vendor SDK/REST contract; pair with runner-up for multi-vendor failover."}]},"accountAndQuota":{"freeTierAvailable":false,"freeTierSummary":null,"rateLimitsSummary":"See /api/limits?provider=letta","subscriptionFirstEligible":true,"documentedPlansCount":0},"regions":{"supportedRegions":["global","us"],"multiRegionFailover":true,"euResidencyAvailable":true},"toolSchemaSupport":{"strictJsonSchema":true,"parallelToolCalls":false,"mcpServerAvailable":false,"streamingSupported":true},"latencyTier":{"tier":"standard_1s_to_5s","latencyReliabilityScore":7.2,"coldStartNotes":"Standard warm pool; check provider SLA for burst concurrency"},"privacyConfig":{"privacyPostureScore":7.2,"zeroDataRetentionAvailable":false,"trainsOnApiDataByDefault":false,"hipaaEligible":false,"selfHostable":true},"availabilityStatus":{"providerStatus":"active","verifiedActiveSkus":0,"unverifiedSkus":0,"liveFailoverTargetId":"e2b"},"subject_ref":{"layer":"runtime_route","subject_id":"runtime_route:letta:letta-primary:self_hosted_or_oss_compatible:global","provider_id":"letta","product_id":"letta-core","model_id":"letta-primary","version":"2026-10-28","route_class":"self_hosted_or_oss_compatible","region":"global","score_status":"unknown","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"},"distinctRouteSubjects":[{"layer":"runtime_route","subject_id":"runtime_route:letta:letta-primary:direct_api:global","provider_id":"letta","product_id":"letta-core","model_id":"letta-primary","version":"2026-10-28","route_class":"direct_api","region":"global","score_status":"layer_evidenced","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"}]},{"routeId":"skill-library-crystallization:braintrust:primary","roleForJob":"runner_up","provider":{"id":"braintrust","slug":"braintrust","name":"Braintrust","website":"https://www.braintrust.dev","status":"active"},"model":{"representativeModelId":"Braintrust Primary Runtime","skuId":null,"unit":null,"amountUsd":null,"sourceUrl":"https://www.braintrust.dev","asOf":"2026-10-28"},"servingRoute":{"primaryRouteType":"managed_cloud_service","endpointPattern":"https://www.braintrust.dev (managed cloud service)","aggregatorAlternatives":[{"aggregatorId":"direct-only","name":"Braintrust Direct API","routeType":"first_party","tradeoff":"Direct vendor SDK/REST contract; pair with runner-up for multi-vendor failover."}]},"accountAndQuota":{"freeTierAvailable":false,"freeTierSummary":null,"rateLimitsSummary":"Starter: Starter For everyone $0 / month - $10 credits + tok rates - 1 GB processed data + $4/GB - ","subscriptionFirstEligible":true,"documentedPlansCount":2},"regions":{"supportedRegions":["us","global"],"multiRegionFailover":true,"euResidencyAvailable":true},"toolSchemaSupport":{"strictJsonSchema":true,"parallelToolCalls":false,"mcpServerAvailable":true,"streamingSupported":true},"latencyTier":{"tier":"standard_1s_to_5s","latencyReliabilityScore":8.6,"coldStartNotes":"Standard warm pool; check provider SLA for burst concurrency"},"privacyConfig":{"privacyPostureScore":8,"zeroDataRetentionAvailable":true,"trainsOnApiDataByDefault":false,"hipaaEligible":false,"selfHostable":false},"availabilityStatus":{"providerStatus":"active","verifiedActiveSkus":0,"unverifiedSkus":0,"liveFailoverTargetId":"e2b"},"subject_ref":{"layer":"runtime_route","subject_id":"runtime_route:braintrust:braintrust-primary:managed_cloud_service:us","provider_id":"braintrust","product_id":"braintrust-core","model_id":"braintrust-primary","version":"2026-10-28","route_class":"managed_cloud_service","region":"us","score_status":"layer_evidenced","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"},"distinctRouteSubjects":[{"layer":"runtime_route","subject_id":"runtime_route:braintrust:braintrust-primary:direct_api:us","provider_id":"braintrust","product_id":"braintrust-core","model_id":"braintrust-primary","version":"2026-10-28","route_class":"direct_api","region":"us","score_status":"layer_evidenced","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"}]},{"routeId":"skill-library-crystallization:daytona:primary","roleForJob":"runner_up","provider":{"id":"daytona","slug":"daytona","name":"Daytona","website":"https://daytona.io","status":"active"},"model":{"representativeModelId":"vCPU","skuId":"daytona-vcpu","unit":"usd_per_vcpu_hour","amountUsd":0.0504,"sourceUrl":"https://www.daytona.io/pricing","asOf":"2026-10-27"},"servingRoute":{"primaryRouteType":"self_hosted_or_oss_compatible","endpointPattern":"https://daytona.io (self hosted or oss compatible)","aggregatorAlternatives":[{"aggregatorId":"direct-only","name":"Daytona Direct API","routeType":"first_party","tradeoff":"Direct vendor SDK/REST contract; pair with runner-up for multi-vendor failover."}]},"accountAndQuota":{"freeTierAvailable":false,"freeTierSummary":null,"rateLimitsSummary":"See /api/limits?provider=daytona","subscriptionFirstEligible":true,"documentedPlansCount":0},"regions":{"supportedRegions":["global"],"multiRegionFailover":true,"euResidencyAvailable":true},"toolSchemaSupport":{"strictJsonSchema":true,"parallelToolCalls":false,"mcpServerAvailable":true,"streamingSupported":true},"latencyTier":{"tier":"standard_1s_to_5s","latencyReliabilityScore":8.2,"coldStartNotes":"Standard warm pool; check provider SLA for burst concurrency"},"privacyConfig":{"privacyPostureScore":8,"zeroDataRetentionAvailable":true,"trainsOnApiDataByDefault":false,"hipaaEligible":false,"selfHostable":true},"availabilityStatus":{"providerStatus":"active","verifiedActiveSkus":20,"unverifiedSkus":0,"liveFailoverTargetId":"e2b"},"subject_ref":{"layer":"runtime_route","subject_id":"runtime_route:daytona:vCPU:self_hosted_or_oss_compatible:global","provider_id":"daytona","product_id":"daytona-core","model_id":"vCPU","version":"2026-10-27","route_class":"self_hosted_or_oss_compatible","region":"global","score_status":"unknown","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"},"distinctRouteSubjects":[{"layer":"runtime_route","subject_id":"runtime_route:daytona:vCPU:direct_api:global","provider_id":"daytona","product_id":"daytona-core","model_id":"vCPU","version":"2026-10-27","route_class":"direct_api","region":"global","score_status":"layer_evidenced","layer_score":"unknown","inherited_from_parent_layer":false,"inheritance_policy":"no_cross_layer_inheritance"}]}],"depth":{"whenNotToUse":{"text":"Need stateful, persistent agent memory blocks attached to an agent runtime — Letta; need the evaluation harness to grade candidate skills across 100+ test inputs before promotion — Braintrust; need full git-workspace container persistence across days — Daytona.","source":"editorial `whenNotTopPick` (data/jtbds.json)"},"whenNotToUseReason":null,"runnerUp":{"providerId":"letta","name":"Letta Cloud","overallForJob":7.46,"pickOverallForJob":8.65,"beatsPickOn":[],"source":"first resolvable entry of the job's editorially ranked `runnersUpIds`; scores are stored job-weighted scores"},"runnerUpReason":null,"lockIn":{"pickLockInRisk":4,"runnerUpLockInRisk":5.5,"scale":"0–10 stored curated estimate; higher = more lock-in (worse)","pickExitSignals":[],"runnerUpExitSignals":["open source (provider tag `oss`)"],"pickNotes":[],"selfHostFallback":[],"migration":"The pick has lower stored lock-in risk than runner-up Letta Cloud (4 vs 5.5).","migrationReason":null,"derivedFrom":"stored lockInRisk scores, provider tags (oss, self-host, openai-compat, open-models), free rows that list this job, and verbatim provider notes. No migration guide was invented."}},"freshness":{"pick":{"score":{"asOf":"2026-10-28","ageDays":1,"stale":false,"staleAfterDays":30,"reason":null},"lastReviewed":{"asOf":"2026-10-28","ageDays":1,"stale":false,"staleAfterDays":30,"reason":null},"sourceCheck":{"checkedAt":"2026-10-28","sourceUrls":2,"sourcesReachable":2,"pricingRows":13,"pricingRowsReconfirmed":13,"note":"A source re-check confirms the page is reachable and, for pricing rows, that the stored amount and SKU name appear on it. It does not re-derive or change the score.","reason":null}}},"whenNotTopPickRules":[{"ifConstraint":"escape_hatch_clause_1","recommendedProviderId":"letta","activeModelOrSku":"letta-cloud-pro","reason":"Need stateful, persistent agent memory blocks attached to an agent runtime — Letta"},{"ifConstraint":"exit:self_host_or_open_weights","recommendedProviderId":"braintrust","activeModelOrSku":"braintrust-pro","reason":"need the evaluation harness to grade candidate skills across 100+ test inputs before promotion — Braintrust"},{"ifConstraint":"exit:self_host_or_open_weights","recommendedProviderId":"daytona","activeModelOrSku":"daytona-sandbox-vcpu-second","reason":"need full git-workspace container persistence across days — Daytona."}],"bootstrap":{"authType":"api_key","envVars":["E2B_API_KEY"],"signupUrl":"https://e2b.dev/dashboard","apiKeyUrl":"https://e2b.dev/dashboard?tab=keys","docsUrl":"https://e2b.dev/docs/quickstart","mcpServer":"npx -y @e2b/mcp-server","cliInit":"npm install -g @e2b/cli && e2b auth login","sdkInstall":{"npm":"npm install @e2b/code-interpreter","pip":"pip install e2b-code-interpreter"},"installCommand":"npm install @e2b/code-interpreter","activeModelOrSku":"e2b-sandbox-1vcpu-per-s","canonicalSnippet":"import { Sandbox } from \"@e2b/code-interpreter\";\nconst sbx = await Sandbox.create({ apiKey: process.env.E2B_API_KEY });\nawait sbx.runCode(\"print(2 + 2)\");\nawait sbx.kill();","verifyCommand":"e2b sandbox list"},"quickstartSpec":{"installCommand":"npm install @e2b/code-interpreter","envVars":["E2B_API_KEY"],"activeModelOrSku":"e2b-sandbox-1vcpu-per-s","canonicalSnippet":"import { Sandbox } from \"@e2b/code-interpreter\";\nconst sbx = await Sandbox.create({ apiKey: process.env.E2B_API_KEY });\nawait sbx.runCode(\"print(2 + 2)\");\nawait sbx.kill();","sdkInstall":{"npm":"npm install @e2b/code-interpreter","pip":"pip install e2b-code-interpreter"},"verifyCommand":"e2b sandbox list","apiKeyUrl":"https://e2b.dev/dashboard?tab=keys","docsUrl":"https://e2b.dev/docs/quickstart","mcpServer":"npx -y @e2b/mcp-server","bootstrapReason":null},"operationalGotchas":[{"code":"cold_start_p99_cliff","severity":"info","summary":"Custom Docker templates without pre-warmed snapshots incur cold image pull latency on first boot; use e2b template build to snapshot warm filesystem state.","sourceDate":"2026-10-27"}],"relatedPacks":[]}