Public Accountability Record · Connect via MCP at https://agentregister.si/mcp
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17 CAPABILITY FACETS 187 VERIFIED ENTRIES

17-Facet AI & Agentic Capability Catalog

Separates model providers, weights, repositories, CPU/cloud runtimes, time-series foundation models, 3D/multimodal models, agent SDKs vs orchestrators vs managed services, 7-stage RAG, DSPy optimizers, MCP + A2A protocols, guardrails, tracing vs evaluation, memory policies vs vector/SQL substrates, and durable execution.

All 17 Facets (187) agent_development_orchestration ai_security_and_guardrails automation_ipaas_dag_durable embeddings_and_rerankers evaluation_and_regression_testing llm_frontier_cloud llm_open_weights_cloud memory_behavior_policies multimodal_vision_audio_3d observability_tracing_monitoring programmatic_prompt_workflow_optimization protocols_mcp_and_a2a rag_context_pipeline slm_cpu_edge_quantized team_simulation_provenance timeseries_foundation_models vector_and_transactional_storage
Component & PublisherPrimary FacetCapability TagsBlast & SPDXDeployment Modes
Model Context Protocol (MCP 2025-06-18)
Model Context Protocol · protocol_spec
protocols_mcp_and_a2a streamable_httptools_resources_promptsoauth21 A1 · MIT protocol
A2A (Agent2Agent Protocol)
Linux Foundation / Google · protocol_spec
protocols_mcp_and_a2a agent_cardspeer_task_delegationstreaming_artifacts A2 · Apache-2.0 protocol
Official MCP TypeScript & Python SDK
Model Context Protocol · protocol_sdk
protocols_mcp_and_a2a stdio_streamable_httpjsonrpc_validation A1 · MIT self_hosted, cpu_edge
FastMCP
Prefect / jlowin · protocol_sdk
protocols_mcp_and_a2a pythonic_decoratorsopenapi_to_mcp A1 · Apache-2.0 self_hosted, cpu_edge
Official MCP Registry
Model Context Protocol · protocol_registry
protocols_mcp_and_a2a publisher_verificationpackage_version_discovery A1 · MIT cloud_api
GitHub MCP Server
GitHub · mcp_server
protocols_mcp_and_a2a repos_prs_issuesscoped_pat_oauth C2 · MIT cloud_api, self_hosted
Slack MCP Server
Slack / MCP · mcp_server
protocols_mcp_and_a2a channel_historyoutbound_messaging_hazard D3 · MIT cloud_api, self_hosted
PostgreSQL MCP Server
MCP Contributors · mcp_server
protocols_mcp_and_a2a readonly_sql_inspectschema_introspection B2 · MIT self_hosted
Google Drive MCP Server
MCP Contributors · mcp_server
protocols_mcp_and_a2a drive_doc_searchoauth_readonly B2 · MIT self_hosted, cloud_api
Filesystem MCP Server
Model Context Protocol · mcp_server
protocols_mcp_and_a2a root_jailed_fslocal_workspace_io C2 · MIT cpu_edge, self_hosted
Cloudflare MCP Server
Cloudflare · mcp_server
protocols_mcp_and_a2a workers_d1_r2_kv_adminscoped_oauth C2 · Apache-2.0 cloud_api
Playwright MCP Server
Microsoft · mcp_server
protocols_mcp_and_a2a accessibility_tree_browserdeterministic_dom_refs C2 · Apache-2.0 cpu_edge, self_hosted
SQLite / D1 Local Verify MCP
MCP Contributors · mcp_server
protocols_mcp_and_a2a transactional_sql_sandboxschema_assertions B1 · MIT cpu_edge
MCP Inspector & Conformance CLI
Model Context Protocol · protocol_sdk
protocols_mcp_and_a2a jsonrpc_schema_auditoauth_flow_debugger A1 · MIT cpu_edge
A2A Python & JS Reference SDK
Linux Foundation / Google · protocol_sdk
protocols_mcp_and_a2a task_state_machinepush_notifications A2 · Apache-2.0 self_hosted
Envoy AI & MCP Gateway
CNCF / Envoy · mcp_server
protocols_mcp_and_a2a mcp_gatewayjwt_rate_limit_audit A1 · Apache-2.0 self_hosted, cloud_api