1.run-llama / llama_index
LlamaIndex is the document processing platform for AI
+1,587 stars
from 51,185 · score 7.37
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2.Arize-ai / phoenix
AI Observability & Evaluation
+1,254 stars
from 10,841 · score 7.13
3.NameetP / pdfmux
PDF extraction that audits its own output — and certifies any other extractor's, catching pages they silently dropped. Verify signed manifests offline: free, MIT, no account. 0.903 on opendataloader-bench, #2 of 8 engines. 7-tool MCP server.
+9 stars
from 77 · score 2.30
4.mthamil107 / prompt-shield
Prompt-injection firewall for LLM applications — 33 input detectors, 9 output scanners, federated ed25519-signed threat-intel feed. Apache 2.0, 1040 tests, F1 96.0% with 0% false positives. Docker, GitHub Action, LangChain/LlamaIndex/CrewAI integrations.
+7 stars
from 12 · score 2.08
5.HMAKT99 / AKF
Trust metadata for AI agents — a stamp costs ~15 tokens, re-verifying costs 15,000. Agents stamp what they verify; the next agent runs 'akf check' and builds on it. pip install akf
+6 stars
from 14 · score 1.95