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PyPI · #2996 most downloaded on PyPI
OpenTelemetry mcp instrumentation
Last release 4 days ago
29 Sep 2026
Release timing varies
gaps range from 8 days to 2 months
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
1 years old
79 releases · first in 2025
One column per month.
sdk: support multiple span processors
enrich_token_usage and simplify token calculation (#3205)[main cfe309d0] bump: version 0.43.1 → 0.44.0 58 files changed, 77 insertions(+), 57 deletions(-)
langchain: added vendors to llm calls
[main 87f8932d] bump: version 0.43.0 → 0.43.1 58 files changed, 63 insertions(+), 57 deletions(-)
prompts: add tool function support
[main 6704f157] bump: version 0.42.0 → 0.43.0 58 files changed, 70 insertions(+), 57 deletions(-)
llamaindex: support llamaparse instrumentation
[main 8aaec303] bump: version 0.41.0 → 0.42.0 58 files changed, 69 insertions(+), 57 deletions(-)
openai-agents: initial instrumentation; collect OpenAI agent traces and metrics
[main 64542636] bump: version 0.40.14 → 0.41.0 58 files changed, 101 insertions(+), 57 deletions(-)
instrumentation dependencies issue for google, ollama and redis
[main 718a9753] bump: version 0.40.13 → 0.40.14 56 files changed, 61 insertions(+), 55 deletions(-)
sdk: manual report of usage data
[main 591c8bf9] bump: version 0.40.12 → 0.40.13 56 files changed, 64 insertions(+), 55 deletions(-)
langchain: add tool call ids to tool message in history
[main 20a4e4b6] bump: version 0.40.11 → 0.40.12 56 files changed, 61 insertions(+), 55 deletions(-)
[main cef9bc98] bump: version 0.40.10 → 0.40.11 56 files changed, 61 insertions(+), 55 deletions(-)
[main cef9bc98] bump: version 0.40.10 → 0.40.11 56 files changed, 61 insertions(+), 55 deletions(-)
google-genai: Add support for generate_content method in google genai models
[main ee79f706] bump: version 0.40.9 → 0.40.10 56 files changed, 61 insertions(+), 55 deletions(-)
langchain: Fix missing langchain dependency for LangGraph tracing
[main 6582725a] bump: version 0.40.8 → 0.40.9 56 files changed, 61 insertions(+), 55 deletions(-)
openai: dump pydantic input message
[main 9ab17512] bump: version 0.40.7 → 0.40.8 56 files changed, 62 insertions(+), 55 deletions(-)
mcp: Added support for newer version of MCP
[main 63feedb4] bump: version 0.40.6 → 0.40.7 56 files changed, 63 insertions(+), 55 deletions(-)
sdk: support overriding the span processor on_end hook
[main 15fa5797] bump: version 0.40.5 → 0.40.6 56 files changed, 62 insertions(+), 55 deletions(-)
langchain: tools in message history
[main 3f8dbf77] bump: version 0.40.4 → 0.40.5 56 files changed, 62 insertions(+), 55 deletions(-)
milvus: Enhanced Milvus VectorDB Instrumentation for Improved search Monitoring
[main a7ce50e3] bump: version 0.40.3 → 0.40.4 56 files changed, 64 insertions(+), 55 deletions(-)
langchain: report token counts when trace content is enabled
[main 0ec0877b] bump: version 0.40.2 → 0.40.3 56 files changed, 62 insertions(+), 55 deletions(-)
ci: align mcp instrumentation version
[main 65de11f3] bump: version 0.40.1 → 0.40.2 56 files changed, 61 insertions(+), 55 deletions(-)
sdk: improve type safety in decorators
[main c084f3bf] bump: version 0.39.3 → 0.39.4 54 files changed, 59 insertions(+), 53 deletions(-)
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