Skip to main content Module core Copy item path Source a2a a2a_transport active_inference Active Inference Preload — predictive context loading. adaptive adaptive_chunking Adaptive chunk sizing from a rough “prefrontal” budget controller (tight → signatures, generous → full bodies). adaptive_mode_policy adaptive_thresholds agent_budget agent_identity agent_registry First-class agent identities: registry + lifecycle (GL #433, H3 Epic D). agent_runtime_env Bridge agent runtime/session environment variables across lean-ctx processes. agents ann_cache Process-wide cache for the HNSW AnnIndex anomaly Anomaly detection using Welford’s online algorithm for running
mean/variance and triggering alerts at >3x standard deviation. archive archive_fts artifact_index artifacts ast_walk Stack-safe traversal of tree-sitter ASTs. attention Convenience re-export: all attention-related modules. attention_context Attention-Weighted Context Assembly. attention_layout_driver attention_model Heuristic attention prediction model for LLM context optimization. attention_placement U-shaped placement (primacy/recency): alternate placing ranked items at context head vs tail. audit_trail auto_capture Opt-in automatic knowledge capture from tool outputs. auto_findings auto_mode_resolver autonomy_drivers bandit benchmark benchmark_compare billing Commercial-plane billing substrate (billing-plane-v1): plans, entitlements,
and usage metering derived from the signed savings ledger. Never gates local.
Commercial-plane billing substrate (billing-plane-v1, EPIC 13.6). binary_detect bm25_cache bm25_index bounce_tracker buddy budget_tracker Runtime budget tracking against role limits. budgets cache call_graph capabilities ccp_session_bundle chunks_ts Tree-sitter AST-aware code chunking for semantic search. claim_extractor Claim Extraction — decomposes context pipeline outputs into verifiable claims. cli_cache client_capabilities client_constraints cloud_files Detection of cloud-backed placeholder files (OneDrive “Files On-Demand” on
Windows, iCloud Drive “dataless” files on macOS). codebook cognition_loop Hebbian-inspired Cognition Loop — periodic background reorganization of knowledge.
Runs 8 steps: seed promote, structural repair, fidelity check, lateral synthesis,
contradiction resolution, hebbian strengthen, decay, compact. cognition_scheduler Opportunistic, time-gated trigger for the background Cognition Loop. cognitive_load Cognitive Load Theory–style scoring for code context (intrinsic / extraneous / germane). community Community detection on the code graph. compliance Framework compliance mappings + coverage reports (GL #424, H3 Epic A). compression Convenience re-export: all compression-related modules. compression_safety compressor config conformance Conformance & reproducibility scorecard (conformance-v1, EPIC 12.17). consolidation Consolidation engine for provider data — hippocampal sleep replay. consolidation_engine content_cache Resident, bounded file-content cache shared across the search-index build and
ctx_search (issue #148). content_chunk Universal content chunk — the atomic unit of the Context Engine. context Convenience re-export: all context-related modules. context_artifacts context_column Context Column — the cortical column abstraction for data source pipelines. context_compiler Context Compiler – builds minimal context packages under budget constraints. context_deficit context_field Context Field Theory (CFT) – unified potential function for context items. context_handles Context Handles – sparse, lazy references to context items. context_ir context_ledger context_os context_overhead Honest accounting of the fixed per-turn context lean-ctx injects (GitHub #361). context_overlay Reversible context overlays — user/policy manipulations that modify
context items without changing source files (“synaptic modulation”). context_package context_packing Submodular context packing — choosing which items to include under a
budget so the selected set maximises coverage of what the task cares about. context_policies Context Policy Engine – declarative rules for context governance. context_proof context_proof_v2 ContextProofV2 — Claim-based verification schema. context_radar contextops contracts cooccurrence Hebbian file co-access graph — “files that fire together, wire together”. crash_log Persistent crash log for panic diagnosability. cross_source_edges Cross-source graph edges — connects external data to code via the graph index. cross_source_hints Cross-source hints — lateral connections between cortical columns. cyclomatic Cyclomatic complexity via tree-sitter (decision-point counting). data_dir datadog_push Agentless Datadog export (GL #401, setup path B). deep_queries Tree-sitter deep queries for extracting imports, call sites, and type definitions. degradation_policy dense_backend deps diagnostics_store Active compiler/linter diagnostics as a context-priority signal (#499). edit_quality Quality loop v1 (#494): compression-caused edit failures feed back into
mode selection. editor_registry editor_signal Editor focus signal (#500). efficacy Learning-efficacy evidence (#549, VIS-3). embedding_index Persistent, incremental embedding index. embedding_quant int8 scalar quantization + SIMD-friendly scoring for embedding vectors. embeddings Embedding engine for semantic code search. energy Electricity-footprint estimate for saved tokens. entropy episodic_memory Episodic Memory — persistent cross-session experiences with outcomes. error eval_ab Deterministic with/without output-quality eval (#232). eval_harness Retrieval evaluation harness for lean-ctx hybrid search. events eviction_orchestrator Connects the RSS-based memory_guard to real cache eviction via HomeostasisController. evidence Evidence schema — an attributable claim with a confidence score and source. evidence_bundle Evidence bundle generator (evidence-bundle-v1, GL #425, H3 Epic A). evidence_ledger extension_registry Pluggable read-modes, compressors, and chunkers (extension-registry-v1). extractors Format extractors & format-aware chunkers (extractors-v1, EPIC 12.13). feedback filters finops_export FinOps cost/savings export (GL #402): CloudZero CBF, Vantage, FOCUS CSV. firewall Context firewall: replace large tool outputs with a compact digest + retrieval ref. free_energy_budget Free-Energy Budget — optimal context allocation under token constraints. gain gamma_cover Minimal TF-IDF chunk subset covering peers within γ bits of residual information. gateway MCP Tool-Catalog Gateway (#210). git Native git support: remote-repo reading (cached shallow clone) and a shadow
history of agent changes. git_cache TTL-based cache for git command results. git_signals Git working-set signals for relevance ranking (#497). godot Godot-specific parsers and helpers. gotcha_tracker graph Convenience re-export: all graph-related modules. graph_analysis Static dependency-graph analyses (God-Nodes, import cycles). graph_cache Resident graph-index cache (Phase 5 of the efficiency epic). graph_context Graph-driven context loading — automatically includes related files
based on Property Graph proximity and token budgeting. graph_enricher Unified Graph Enricher — indexes Git history, tests, and knowledge into the PropertyGraph. graph_export graph_features Multi-layer graph descriptors inspired by GNN message passing:
PageRank (global importance), local clustering, HITS hubs/authorities,
and weakly-connected community ids. graph_index graph_provider handoff_ledger handoff_transfer_bundle hasher Central hashing utility using BLAKE3. heatmap hebbian_cache Hebbian Co-Access Cache with Boltzmann-Temperature Eviction. hnsw Lightweight HNSW (Hierarchical Navigable Small World) index for approximate nearest neighbors. home homeostasis Homeostatic Memory Guard — Proactive multi-level resource management. hybrid_search Hybrid search combining BM25 (lexical) with dense vector search. ide_permissions Read the active IDE’s tool-permission configuration and resolve an effective
action for a lean-ctx tool, so lean-ctx can mirror (“inherit”) the user’s
IDE permission rules instead of forming a second, ungoverned execution path. import_resolver Import-to-file resolution (AST-driven import strings → project paths). index_bundle Encrypted index bundles for the hosted Personal Index (GL #392). index_namespace index_orchestrator information_bottleneck QUITO-X–style trade-off: compress by dropping low token-entropy lines while targeting an output/input token ratio. ingestion Ingestion front-door (ingestion-spec-v1). instruction_compiler integrity Build-origin integrity verification and rebrand resistance. intent_engine intent_protocol intent_router io_boundary io_health journal jsonc knowledge knowledge_bootstrap knowledge_bridge Cross-Agent Knowledge Bridge — controlled sharing of high-confidence facts between agents. knowledge_domain Convenience re-export: all knowledge-related modules. knowledge_embedding Embedding-based Knowledge Retrieval for ctx_knowledge. knowledge_provider_extract Knowledge auto-extraction from provider data (issues, PRs, DB schemas). knowledge_relations knowledge_vault Zero-knowledge Personal-Cloud knowledge vault (GL #467) — the E2E
envelope for /api/sync/knowledge. language_capabilities learning_sync Team sync of the learning layers (#550, VIS-4). limits litm litm_calibration Empirical LITM placement calibration (#539, EFF-2). llm_enhance Optional LLM enhancement layer. llm_feedback locomo LoCoMo memory benchmark (#291). logging loop_detection mcp_manifest mdl_selector Minimum Description Length–style selection among abstract read modes (proxy compressed lengths). memory Convenience re-export: all memory-related modules. memory_boundary memory_consolidation Sleep-inspired consolidation for in-memory knowledge entries (NREM merge, REM prune, replay boost). memory_guard Process-level RAM guardian with adaptive eviction and hard OOM protection. memory_lifecycle Memory Lifecycle Management — consolidation, decay, compaction, archival. memory_policy mode_predictor model_registry multi_repo multiscale_index Renormalization-Inspired Multi-Scale Indexing. nc_compress Non-code compression tuning (nc-compress-v1, EPIC 12.14). neural Neural context compression — trained models replacing heuristic filters. ocp Open Context Protocol (OCP) v0.1 export adapter. openapi OpenAPI 3.0 document for the public /v1 surface, generated from a single
in-code endpoint inventory (endpointshttp_server; the SSOT lives here so it stays compiled and
drift-tested without the http-server feature. output_echo Output-echo detection (#501). output_sanitizer Output sanitizer: detects and cleans degenerate model artifacts from compressed output. output_verification owasp_alignment Maps lean-ctx security features to the OWASP Top 10 for Agentic Applications (2025).
Used by lean-ctx audit CLI and /v1/audit/events endpoint. pagerank PageRank computation on the Property Graph. path_locks Process-wide per-path advisory locks. path_mode_memory Persistent per-path bounce memory (#496). path_resolve Shared path-resolution for tool handlers. pathjail pathutil patterns persona Context personas (persona-spec-v1). pipeline Context Pipeline plugins policy Context Policy Packs v1 — Policies-as-Code (GL #489). pop_pruning portable_binary predictive_coding Predictive Coding for mode outputs — send only prediction errors (deltas). predictive_prefetch Predictive Prefetch via Free Energy Minimization. preservation procedural_memory Procedural Memory — recurring workflow detection and template storage. process_guard Global concurrency limiter for lean-ctx processes. profiles Context Profiles progressive_compression Progressive compression: newest segments stay verbose; older tiers lose detail under exponential budget shrink. project_hash property_graph Property Graph Engine — SQLite-backed code knowledge graph. prospective_memory protocol provider_bandit Provider Bandit — Thompson Sampling for provider selection. provider_cache Provider caching awareness — helps LLM providers cache repeated context. providers quality rabin_karp redaction reference_docs Generated reference documentation. repomap Repo map: PageRank-based symbol importance ranking across a codebase. roles Role-based access control for agent governance. route_extractor rules_canonical Canonical Hybrid Policy — the single source of truth for all lean-ctx rules. safety_needles saliency Saliency Map — information-theoretic chunk ranking and deduplication. sandbox sandbox_landlock sandbox_seatbelt sanitize savings_autopush Opt-in background auto-push of the local savings batch to the team server. savings_footer savings_ledger Verified Savings Ledger (G1) — the per-event, auditable counterfactual store. scent_field Stigmergic scent field for zero-token multi-agent coordination (#540, EFF-3). scorecard Reproducible scorecard (#211): one command → compression savings + retrieval
recall/MRR + latency over a fixed, deterministic scenario matrix. search Convenience re-export: all search-related modules. search_delta search_index Resident line-search index for ctx_search (Phase 1 of the efficiency epic). search_reranking Post-RRF Reranking Pipeline for code-aware search. secret_detection semantic_cache semantic_chunks Semantic Chunking with Attention Bridges. sensitivity Per-item sensitivity model with a uniform policy floor (#212). server_capabilities GET /v1/capabilities — runtime discovery of what this lean-ctx instance
supports, so any client (any language) can branch on real features instead
of trial calls. The HTTP route lives in http_server; the payload builder
lives here so it stays compiled (and drift-tested) without the
http-server feature.session session_diff Session diffing — structured comparison of two session states. session_domain Convenience re-export: all session-related modules. session_summary AI session summaries (#292): periodically distil the working session into a
compact, semantically-recallable digest. session_token setup_report share Frictionless share helpers: copy text to the OS clipboard and open files/URLs. shell_allowlist Shell allowlist with AST-based command parsing. signatures signatures_ts skillify Skillify (#290): distill a project’s recurring session patterns into versioned,
git-committable .cursor/rules/skillify-*.mdc rule files. slo Context SLOs — configurable service level objectives for context metrics. slow_log smells Code smell detection engine. splade_retrieval SPLADE-style sparse expansion layered on BM25 candidate retrieval. spreading_activation Spreading activation — associative retrieval over a weighted graph. startup_guard stats storage_maintenance Daemon-safe storage maintenance. structural_diff Structural diff using tree-sitter chunk identities (named declarations). structural_tokenizer Structural tokenizer treating idiomatic multi-token spans as single motifs. structured_compact Lossless compaction of structured data (JSON / JSON Lines). structured_read subagent_contract Sub-agent context contracts (GL#450). surprise Predictive Surprise Scoring — conditional entropy relative to LLM knowledge. symbol_map task_briefing task_relevance tdd_schema team_slo Team-server SLO instrumentation — the measurement half of the hosted-index
reliability gate (GL #391). telemetry Telemetry and metrics collection following OpenTelemetry GenAI conventions. terse Terse Compression Engine theme threshold_learning Online-learned per-extension compression-threshold deltas (#538, EFF-1). tokenizer_translation_driver tokens tool_lifecycle Shared tool lifecycle — ensures CLI and MCP paths have identical side effects. tool_profiles transcript_compact Transcript/conversation compaction for agent session JSONL files. update_scheduler OS-specific auto-update scheduler management.
Supports macOS LaunchAgent, Linux systemd/cron, Windows Task Scheduler. updater verification_observability version_check visualizer Data collection and HTML rendering for the interactive visualizer. web Web & research context layer. workflow workspace_config wrapped wrapped_share Opt-in, self-hostable Wrapped share page. wrapped_svg Shareable SVG “Wrapped” card.