Observed Signal · Jul 27, 2026 · Technical Release · Source: DEV Community · Impact: 2/5 · Sentiment: Positive
Agentic Ledger: Open-source flight recorder for AI agents
Agentic Ledger is an open-source, MIT-licensed transparent proxy that records HTTP traffic between AI agents and LLM providers to provide request/response logging, per-call cost accounting, loop detection, budgeting/rate-limits, and a local dashboard/API. The project (version 0.4.0) runs as a proxy that stores data in SQLite or Postgres, supports OTLP ingest, and integrates with many agent frameworks. The solo-maintained project is seeking testers and contributors for integrations, pricing updates, loop-detection heuristics, frontend work, and Postgres scale testing. The repo and documentation are public and the proxy can be installed via pip or run with Docker.
An open-source observability and cost-accounting proxy for AI agents is useful to developers and teams building agentic applications, improving cost control and debugging; however it is an independent project (v0.4.0) and not a platform-level change, so impact on the wider AdTech industry is limited.
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Key Takeaways & Evidence Grounding
- Agentic Ledger is an open-source transparent proxy that records every HTTP request and response between AI agents and LLM providers.
- The project is MIT licensed, supports local-first storage (SQLite) or Postgres, and exposes a live dashboard and API.
- Current release is version 0.4.0; the codebase includes 100+ tests and CI across three Python versions, with signed multi-arch images and SBOMs.
- Features include per-call cost accounting aligned to provider billing, automatic loop detection and optional circuit-breaker behavior (HTTP 429), budgets and rate limits, a loop runner, and OTLP ingest for OpenTelemetry GenAI spans.
- The author is actively seeking testers and contributors for integrations, pricing coverage, loop-detection heuristics, frontend improvements, and Postgres scalability testing.
Connected Companies & Entities
5 Entities mapped“You point your agent's `base_url` at it, and it records every request and response... AGENTICLEDGER_UPSTREAM_URL=https://api.openai.com pyth...”
“Your Agent -> Agentic Ledger Proxy -> OpenAI / Anthropic / any gateway...”
“There are step-by-step guides for ... Vercel AI SDK ... in docs/integrations....”
“An MCP server. Your agent (or Claude Desktop, or Cursor) can query the ledger about itself: list sessions, explain any call, check whether a...”
“Repo: https://github.com/ShekharBhardwaj/AgenticLedger...”
Ontology Mapping & Concepts
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AgentWire: Observability for the Agentic Stack
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Open-source Agentic Coding CLI AgentCode Released
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