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Buildtheca

The ultimate treasure chest of parts, patterns & potions for building extraordinary AI agents.

Foundation models, LLMs, and AI inference engines

Agent frameworks, orchestration, and runtime environments

Vector stores, knowledge graphs, and persistence layers

Execution environments, code interpreters, and isolation tools

Parsing, extraction, and ingestion of unstructured documents for LLM pipelines

Testing, benchmarking, and performance measurement tools

Observe 9 parts

Monitoring, logging, tracing, and debugging platforms

ObservabilityCost

Open-source tool to estimate and compare costs across LLM providers. Supports 100+ models from OpenAI, Anthropic, Google, and more.

TypeScriptReact
ObservabilityTracing

Open-source observability for LLMs and ML models. Traces, evals, and datasets in one place with an intuitive UI.

PythonTypeScriptOpenTelemetry
ObservabilityGuardrails

Meta LLM-based input/output safeguard model. Classifies safety risks in both user prompts and agent responses in real time.

PythonPyTorchHuggingFace
ObservabilityGuardrails

NVIDIA toolkit for adding programmable guardrails to LLM apps. Control topical, safety, and security behaviors of conversational agents.

PythonLLMNVIDIA
ObservabilityCost

Real-time usage metering for AI APIs. Track token consumption, costs, and quotas per user or team across any LLM provider.

GoTypeScriptKafka
ObservabilityGuardrails

Add guardrails to LLM outputs. Validate, fix, and filter model responses for structure, type, and quality constraints.

PythonLLM
ObservabilityTracing

Open-source LLM engineering platform. Traces, prompt management, evaluations, and datasets — self-hostable.

TypeScriptPostgreSQLDocker
ObservabilityTracing

Open-source LLM observability. One-line integration to log, monitor, and debug all your LLM requests.

TypeScriptCloudflarePostgreSQL
ObservabilityTracing

Developer platform for LLM apps. Debug, test, evaluate, and monitor in production. Built by LangChain.

PythonTypeScriptLLM
AGENT SUBMISSION

Give your agent a direct submission endpoint