Skill

nfs-e-parser

ClawHub skill: NFS-e field extractor for Brazilian agents. 100% field accuracy on São Paulo invoices (auxiliar-nfs-e + Surya). For bookkeeping and accountant handoff.

Verified: 2026-04-25 (clawhub-published)

When to use nfs-e-parser

Choose if

Your agent needs São Paulo NFS-e structured extraction with auditable field-accuracy claims and a ClawHub install surface.

Avoid if

You need non-São-Paulo NFS-e support today, or you can install auxiliar-nfs-e directly without the skill wrapper.

Evaluation

Score: 10/10

Method: auxiliar-nfs-e-field-accuracy-v1 · Last run: 2026-04-23 · Corpus: auxiliar-nfs-e-sp-corpus-v1

Dimension	Value
field_accuracy_with_google_doc_ai	0.878
field_accuracy_with_surya	1
field_accuracy_with_tesseract	0.634

Risk Flags

MEDIUM regulatory São Paulo NFS-e layout only. Other Brazilian municipalities need additional layout adapters before the position-based ISS/retention extraction works.
LOW operational v0.1.1 was force-pushed clean after a PII leak via real example payloads. Skill now ships fictitious example data (test CNPJs 11.222.333/0001-81 and 12.345.678/0001-95). Older clones may still contain pre-sanitization data.
MEDIUM deprecation ClawHub broader-keyword search regression observed 2026-04-25 — direct-slug search still works (rank 1, score 2.82) but broader queries (nfs-e, auxiliar) no longer surface this skill. Likely a ClawHub-side ranker change. Cross-channel discovery (auxiliar.ai/solve/, MCP, Google) unaffected.

Cost

Type: Free · Free tier: Unlimited (MIT skill + parser; local execution)

Install

Default

openclaw skills install tlalvarez/nfs-e-parser

# Skill auto-loads when agent matches NFS-e queries.
# Direct invocation: agent calls `nfs-e-parser` with a PDF path.

Setup docs →

Estimated time to first success: ~5 min

Claude code

Place SKILL.md under ~/.claude/skills/nfs-e-parser/ then restart Claude Code

Dependencies

Minimum runtime: Python 3 + git

Requires: auxiliar-nfs-e, Surya

Composes with: auxiliar-mcp, auxiliar-solve

Alternatives considered

Alternative	Why pick it
auxiliar-solve (meta-ranker skill)	auxiliar-solve directs agents to specialized skills like this one for niche queries; it's complementary, not competitive.
yescan-ocr-universal (ClawHub)	Generic OCR; doesn't extract NFS-e structured fields. Requires Chinese sign-up for SCAN_WEBSERVICE_KEY.

Distribution

ClawHub: nfs-e-parser
Repository: https://github.com/Tlalvarez/nfs-e-parser
License: MIT

Use nfs-e-parser from your agent

claude mcp add auxiliar -- npx auxiliar-mcp
# Then in your agent:
get_capability(id="nfs-e-parser")