car-connectors cargo – 0.58.0 did not build – Remote MCP connectors for the Common Agent Runtime — connect to remote MCP servers over HTTP, register their tools, and route calls through CAR's governance… 800 20h ago keyroost-openpgp cargo 0.13.0 none none OpenPGP Card (v3.4) APDU command/response layer. 795 5d ago engenho-teia cargo 0.53.136 none none engenho-teia — the NATS fabric layer for engenho. Carries Raft RPC, watch streams, content sync, attestation receipts, and observability events across one… 787 18h ago nidus-observability cargo 1.2.0 none none Production observability composition layer for Nidus applications. 781 7d ago keyroost-token2otp cargo 0.13.0 none none Pure-Rust byte layer for the Token2 T2F2 / PIN+ on-device OTP (TOTP/HOTP) management applet: APDU builders, ENUM parser, ECDH+AES seed encryption. 765 5d ago shift-preflight cargo 0.10.4 none none Multimodal preflight layer for AI model inputs — inspect, transform, and optimize images before they reach the API 758 6d ago reddb-io-file cargo 1.24.0 none none RedDB file artifact layer: single-file .rdb layout, WAL, snapshots, checkpoints, locks, and recovery. 755 1d ago crawlberg-bindings-common cargo 1.11.1 none none Shared adapter layer for crawlberg language bindings 744 7h ago quarb-athena cargo 0.38.1 none none Amazon Athena adapter for the Quarb query engine — the S3 datalake's query layer on the shared relational model 734 1d ago ace-uds cargo 0.6.0 none none UDS typed message layer implementing ISO 14229-1. 733 9d ago arcbox-docker cargo – 0.9.0 did not build – Docker REST API compatibility layer for ArcBox 732 8d ago peisear-web cargo 0.52.0 none none Axum + Leptos SSR HTTP layer for peisear (issue tracker). Library only — the runnable binary lives in the `peisear` facade crate. 718 2d ago indigauge-core cargo 0.7.7 none none Core primitives for the Indigauge Rust SDK: event macros, tracing layer, and helpers 707 5d ago vize_atelier_jsx cargo 0.457.0 none none Atelier JSX - Shared JSX/TSX lowering layer for Vize 706 18h ago cosmolkit-cx cargo 0.5.1-rc.3 none none Shared CXSMILES extension syntax layer for COSMolKit parsers 685 2d ago sqry-rules cargo 33.0.1 none none Declarative rule layer for sqry semantic code search 684 10d ago magma-plugin cargo 0.1.36 none none magma — HashiCorp go-plugin handshake + mTLS bootstrap + stdio framing + gRPC client lifecycle + subprocess management. The load-bearing technical layer per… 683 1d ago embedded-cal cargo 0.2.0 none none A Cryptographic Abstraction Layer (CAL) for embedded systems 680 8d ago kimetsu-chat cargo 2.9.0 none none Interactive REPL chat client + MCP sidecar + cross-harness bridge for kimetsu. Installs into Claude Code and Codex as a brain-managed memory layer. 677 2d ago stateset-a2a cargo 1.38.2 none none Agent-to-Agent commerce service layer: splits, subscriptions, escrow, webhooks, event streaming 677 18h ago ifc-style cargo 0.5.0 none none Presentation: styles, colours, textures, layers, annotation. 672 2d ago jackdaw_animation cargo – 0.19.0-rc.10 did not build – Animation authoring and playback for the Jackdaw editor; thin UI over Bevy's AnimationClip / AnimationGraph / AnimationPlayer. 666 5d ago neptune-database cargo – 0.19.2 did not build – LevelDB-backed async storage layer (schema, vectors, maps) used by neptune-cash 663 2h ago fresh-editor-core cargo 0.5.3 none none Data and presentation-primitives layer of the Fresh editor 661 3d ago vetto cargo 0.6.5 none 3 vulnerabilities 3 Daemon-less sandbox + security layer for AI coding agents (Landlock/Seatbelt, TUI statusline, post-session audit reports) 656 4d ago cliban-core cargo 0.16.0 none none cliban storage + domain layer: rusqlite store + writer thread + domain contexts 648 10d ago securitydept-oidc-client cargo 0.3.4 none none OIDC Client of SecurityDept, a layered authentication and authorization toolkit built as reusable Rust crates. 647 4d ago nostr-bbs-rate-limit cargo 1.0.0-beta.16 none none Shared application-layer rate limiting via Cloudflare KV (nostr-bbs) 620 1d ago svod-device cargo 0.2.0 none none Device abstraction layer for the Svod ML compiler 614 9d ago can-hal-isotp cargo 0.4.3 none none ISO-TP (ISO 15765-2) transport layer for can-hal-rs 609 3d ago