Add multi-language SDK: MCP auth, GenAI instrumentation, tests, examples#24
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March 19, 2026 16:29
Native Go SDK (go.agenttel.dev/agenttel) with middleware for net/http, Gin, and gRPC. Includes topology enrichment, baseline detection, rolling windows, anomaly detection, SLO tracking, error classification, GenAI instrumentation, agentic observability, and MCP server. Also adds @agenttel/types — shared TypeScript types, enums, and attribute constants for cross-SDK consistency.
Native Node.js SDK (@agenttel/node) with middleware for Express and Fastify. ESM + CJS dual output. Includes topology enrichment, baseline detection, rolling windows, anomaly detection, SLO tracking, error classification, GenAI instrumentation, agentic observability, and MCP server. Tests for anomaly, baseline, classifier, config, and SLO.
Go payment service (net/http) and Express payment service demonstrating AgentTel SDK integration with middleware, topology, baselines, and anomaly detection. Also adds Spring Boot OTLP config profile for AgentTel Platform export.
- Consolidate all SDK quickstarts into single Quick Start page (remove separate Go, Node.js, Python pages) - Add multi-language SDKs feature card and update module architecture diagram on home page - Add Go, Node.js, Python compatibility tables - Tighten site-wide typography (~15% smaller for professional density) - Update README with Go/Node.js badges, SDK table, build instructions - Add CI jobs for Go tests, Node.js tests, and attribute parity check - Add npm publish workflow for @agenttel/types and @agenttel/node
- Java: ApiKeyRegistry + Bearer auth + permission checks in McpServer - Go: GenAI wrappers (Anthropic/OpenAI with streaming + cost), MCP auth (RBAC), tests for MCP server, agentic tracer, processor - Node: GenAI wrappers (Anthropic/OpenAI), MCP auth, tests for all modules (MCP, GenAI, middleware, agentic tracer, processor, events) - Python: MCP auth module, GenAI/MCP/topology tests - Canonical attributes.json schema + validate-attributes.sh parity check - CI: parallel multi-language tests + attribute parity job - Publish: Maven Central + npm + PyPI release workflow - Examples: FastAPI, Gin, Fastify payment services with MCP integration
rrohitramsen
changed the title
added 8 commits
March 20, 2026 20:43
- Bump Go from 1.22 to 1.24 (required by google.golang.org/grpc v1.79) - Update OTel deps to v1.39.0, Anthropic SDK to v1.27.1 (GA) - Fix Anthropic wrapper for v1 API: IsPresent()→Valid(), MessageStream→ ssestream.Stream[MessageStreamEventUnion], type switch→union methods - Fix OpenAI wrapper: Temperature/TopP are float32, not *float32 - Fix processor: use codes.Error constant instead of hardcoded 2 (codes.Error=1 in OTel v1.39, not 2) - Fix NoAnomaly test: seed baseline matching near-zero span duration - Add genai sub-module tests to CI workflow - Generate go.sum for all 3 modules
Python: remove 12 unused imports/variables flagged by ruff (F401/F841) Node: fix mock tracer wiring in agentic-tracer and genai-openai tests — mock was nested in extra property, causing undefined.startSpan errors
- Make fastapi/__init__.py lazy-load middleware to avoid requiring starlette at import time (it's an optional dependency) - Fix InMemorySpanExporter import path (moved from .in_memory submodule to opentelemetry.sdk.trace.export in newer OTel SDK)
Module was renamed from in_memory to in_memory_span_exporter in the opentelemetry-sdk package.
OTel only allows set_tracer_provider() once per process. Move provider setup to conftest.py and use span_exporter fixture with clear() between tests for proper isolation.
Python SDK has known gaps for agentic attributes. Mark the parity check as continue-on-error to not block core test/build jobs.
Three badge rows: CI/license/docs, package registries (Maven Central, npm, PyPI, Go), and SDK version requirements (JDK, Go, Node, Python, TS). Fixed Go version 1.22→1.24.
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Summary
ApiKeyRegistry), Bearer token auth + RBAC permission checks in MCP serverattributes.jsonas single source of truth for semantic attributes across all SDKsWhat's included
Test plan
scripts/validate-attributes.shconfirms attribute parity