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Head to head

Structured Output Agent Langchain Core vs Fitter

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

Structured Output Agent Langchain Coreai.getvda/structured-output-mcp-agent-langchain-core
C
No reviews yet

Structured Output MCP Agent (Langchain Core)

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Fitterio.github.PxyUp/fitter
A
No reviews yet

Turn any website or API into structured JSON with LLM-authored declarative scraping configs.

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Fitter (88/100 against 62). Structured Output Agent Langchain Core is hosted and callable through the gateway; Fitter runs on your own machine. Fitter has noticeably more public adoption.

 Structured Output Agent Langchain CoreFitter
User ratingNo reviews yetNo reviews yet
Safety gradeC62/100A88/100
AdoptionNewGrowing
GitHub stars–133
Downloads / week––
Runs whereHosted (remote)Your machine (local)
Gateway-readyYesNo
Tools——
Write actions——
Price per callFreeFree
Licence—MIT
Last release—2026-08-29
CategoryAI and agentsAI and agents

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