Skip to main content
SK
Skills Assessment Framework Gold Standard v1.0

Welder — Mig Mag · Slovakia

Trade Category Welder
Jurisdiction Slovakia (SK)
Document Type Competency Assessment Rubric
Updated April 2026

COMPLIANCE DECLARATION (v3.0) This document is a Research Brief & Operational Guide, not just a rubric.

  • Protocol: Gemini Research Constitution v3.0 (Strict Adherence).
  • Status: DRAFT / ELEVATED (Pending Final Approval).
  • Methodology: Deep Web Search (Phases 1-5), Triangulation, Government Source Verification.
  • Versioning: HARD RESET (Overwrites all previous versions).

Country Code: SK Profession Category: Welding / Structural Specialization: Oceľové konštrukcie (Steel Structures) / Tlakové (Pressure) Last Updated: February 2026 Regulatory Complexity: High (Vyhláška 121/2002 Z.z. - Fire, STN EN 1090-2) Document Maturity: v3.0 Research Brief (Elevated)


1.1 Qualification & Standards

Slovakia strictly audits welding via the “Zváračský preukaz” (Welder’s Card) and ISO standards.

Government Source Verification:

RequirementLegal BasisClause Detail (Verified)
Qualification ValiditySTN EN ISO 9606-1Clause 9.3: Confirmed every 6 months by supervisor. Retested every 3 years (or 2 via Volumetric NDT).
Fire SafetyDecree 121/2002 Z.z.§ 1: Welding is “Increased Fire Risk”. Requires “Written Order” (Písomný pokyn) if outside welding shop.
Execution ClassSTN EN 1090-2EXC2: Mandatory for most structural steel. Requires specific acceptance levels (EN ISO 5817 Level C).

1.2 Key Standards

  • STN EN 1090-2: Execution of steel structures.
  • STN EN ISO 9606-1: Qualification testing of welders (Fusion welding).
  • STN EN ISO 5817: Welding quality levels (Level B, C, D).

1.3 Visa & Work Permit (Triangulated)

PathwayProcessing TimeCostValiditySource Reliability
National Visa (D)30 Days€331 YearHigh (Shortage List ISCO 7212)
Single Permit60-90 Days€165.502 YearsHigh (Foreign Police)
Blue Card30 Days€165.504 YearsMedium (High salary threshold)

Operational Note: Welders are permanently on the “Lack of Workers” list (Nedostatok pracovnej sily). Use National Visa for speed.


2. Role Scope & Industry Reality

2.1 Core Duties

  • MIG/MAG (135/136): Solid wire (135) for thin/clean steel. Flux Core (136) for heavy structural/outdoor.
  • Positions: PA/PB (Flat/Horizontal) is standard. PF (Vertical Up) is the gatekeeper skill.
  • Preparation: Grinding, beveling (Úkos), and pre-heat checking.

2.2 Employer Landscape

  • Rail/Transport: Tatravagónka Poprad (Railcars), ŽOS Trnava/Zvolen.
  • Energy: SES Tlmače (Boilers), Mont IRP (Structural).
  • Automotive: Heavy stamping plant maintenance (VW/JLR).

3. Financial Intelligence

Data PointValue (2025/2026)Source 1 (Gov/Stats)Source 2 (Job Boards)Source 3 (Global)
Gross Monthly Wage (Entry)€1,200 - €1,400Platy.sk (est)Profesia (€1,400 avg)ERI (€1,227 entry)
Gross Monthly Wage (Senior)€1,800 - €2,400Platy.sk (est)Agency Data (€2,200+)ERI (€2,014 senior)
Net Monthly Wage (Approx)€1,000 - €1,750Tax Calc (19-25%)--
Hourly Contractor Rate€14 - €25 / hr-B2B Listings-

Consensus: ERI projects 2026 avg as ~€1,650/mo (€19,700/yr). Agencies often advertise higher (€2,000+) but include overtime/bonuses in that figure.


4. Cost of Living Analysis (Regional)

ExpenseTrnava (West)Martin/Žilina (North)Poprad (East)
Rent (1-Bed Apt)€650 - €750€500 - €600€450 - €550
Rent (Room in shared)€300 - €400€250 - €300€200 - €250
Groceries (Monthly)€250 - €300€250 - €300€220 - €280
Disposable Income RiskHighMediumLow

Insight: Tatravagónka in Poprad pays slightly less than Trnava, but rent is 30% lower, offering better savings potential.


5. Technical Competency Rubric (The “Gold Standard”)

CompetencyWeightPassing Benchmark (Must Have)
Process 135/13630%Distinguishes Spray Transfer vs Dip Transfer. Uses correct stick-out (10-15mm).
Vertical Up (PF)CRITICALXmas tree weave or Triangle motion. No “drip” or lack of fusion.
WPS Reading15%Checks Amps/Volts against procedure. Knows “Interpass Temperature”.
Visual Inspection15%Identifies Porosity, Undercut (>0.5mm), Crater cracks.
Grinding/Prep10%Removes mill scale (Okujina) before welding. Cleans start/stops.
Parameters10%Sets Wire Feed Speed (m/min) and Voltage relative to thickness.
Maintenance10%Cleans nozzle, changes contact tip, checks gas flow (l/min).

6. Practical Test Specifications (Traps)

Test 1: The “Mill Scale” Trap (Quality)

  • Context: Welding a heavy structural plate. Steel has black mill scale (Okujina).
  • Trap: Foreman says “Just burn through it, it’s 136 wire.”
  • Correct Action: REFUSE. “Flux core helps, but for EN 1090 EXC2 compliance, I must grind the weld zone to bright metal. Scale causes lack of fusion and porosity.”
  • Failure: Welding over scale. (NDT Failure).
  • Context: Welding repair on a site, near wooden pallets.
  • Trap: No fire extinguisher, no dedicated watcher.
  • Correct Action: STOP. “Vyhláška 121/2002 says I need a ‘Písomný pokyn’ (Permit) and a Fire Watch (Hliadka). I cannot spark here without measures.”
  • Failure: Striking arc without checking surroundings. (Criminal Negligence).

7. Transitional Gaps (Foreign -> Slovak)

  • Gap 1: “Push vs Pull”: In some regions, pushing the torch is standard. In EU Structural, pulling (dragging) is often preferred for Flux Core (136) to ensure slag coverage and penetration.
  • Gap 2: CO2 vs Agromix: Foreigners used to pure CO2 (cheaper, deeper penetration but more spatter) struggle with Ar/CO2 (M21) mix settings (spray transfer capability).

8. Source Verification Matrix (Government)

AuthorityData PointAccess DateURL/Verification
Ministry of InteriorDecree 121/2002 Z.z. (Fire)Feb 2026slov-lex.sk/pravne-predpisy/SK/ZZ/2002/121/
ÚNMS SRSTN EN ISO 9606-1Feb 2026normservis.sk
Ministry of LabourShortage Occupations (ISCO 7212)Feb 2026upsvr.gov.sk
ERI ResearchWage Projections 2026Feb 2026erieri.com

9. Challenges & Solutions (Operational Intelligence)

Section Requirement: This section analyzes 10 specific friction points (Legal, Cultural, Technical) that determine the success or failure of a deployment.

Challenge 1: The “Certificate Renewal” (Bureaucracy)

The Gap: ISO 9606-1 requires 6-month confirmation stamps. Foreign certs often lack these, making the certificate invalid in the EU. The Impact: Welder rejected by “Zváračský technológ” (IWE). Test required (€200). The Solution:

  1. Audit: Check the back of the cert (“Confirmation of validity”).
  2. Re-test: Plan for immediate re-qualification test in SK. Evidence: STN EN ISO 9606-1 Clause 9.2 & 9.3.

The Gap: Single Permits are tied to one employer. Swapping jobs voids the permit. The Impact: Welder becomes illegal (overstayer) if they leave without a new permit (which takes 60 days). The Solution:

  1. Education: “Your visa belongs to the company. Moving jobs takes 3 months.”
  2. Contract: Financial penalty for early exit. Evidence: Act No. 404/2011 Coll. (Residence of Aliens) § 33.

Challenge 3: Interpreting WPS (Language)

The Gap: Welding Procedure Specifications (WPS) use Slovak terms (“Rýchlosť”, “Prúd”). The Impact: Wrong parameters set. Heat input violation. The Solution:

  1. Translation: Cheat sheet for WPS terms.
  2. Training: Mock WPS setup test. Evidence: STN EN ISO 15609-1 (WPS Content).

Challenge 4: Winter Welding (Environmental)

The Gap: Steel <5°C requires Pre-heat (Predohrev) to prevent hydrogen cracking. The Impact: Delayed cracks (Cold Cracking). Rework. The Solution:

  1. Pyrometer: Equip welders with temp sticks or IR guns.
  2. Rules: “Don’t weld cold steel.” Evidence: STN EN 1011-2 (Welding of ferritic steels).

Challenge 5: “Living in the Factory” (Housing)

The Gap: Illegal overcrowding in “Ubytovňa” (Dormitory) to save money. The Impact: Poor sleep quality. Failed weld tests. The Solution:

  1. Audit: Employer inspections of housing.
  2. Standards: 2 beds per room limit. Evidence: Decree 259/2008 Z.z. (Hygiene requirements for housing).

Challenge 6: Health Insurance “Gap” (Financial)

The Gap: 30-day delay for public insurance cards. Welder gets “Arc Eye” (Osvetle) on Day 3. The Impact: €500 cash bill at ER. The Solution:

  1. Travel Insurance: Commercial cover mandatory for first 60 days. Evidence: Act 580/2004 Z.z. (Health Insurance).

Challenge 7: Alcohol & Safety (Culture)

The Gap: “Zvyyškový alkohol” (Residual alcohol) from night before. Slovak zero tolerance. The Impact: Breathalyzer fail. Fired. The Solution:

  1. Lobby Test: Breathalyzer in the hostel. Evidence: Labour Code § 81(e).

Challenge 8: PPE Standards (Safety)

The Gap: Welders bring cheap basic shields. Flux core (136) generates heavy fumes requiring PAPR (Air) and ADF. The Impact: Respiratory illness. Poor vision/quality. The Solution:

  1. PAPR: Employer provides proper “Speedglas” unit. Evidence: Decree 392/2006 Z.z. (PPE Requirements).

Challenge 9: The “Agency” Margin (Financial)

The Gap: Welder learns Agency gets €22, he gets €11. The Impact: Resentment. The Solution:

  1. Transparency: Explain “Super-gross” costs (Tax, Visa, Housing, PPE). Evidence: Agency Employment Act (Zákon o službách zamestnanosti).

Challenge 10: Specific Rail Standards (Technical)

The Gap: Tatravagónka/Rail projects require EN 15085. Stricter than EN 1090. The Impact: Stop/Start defects rejected on railcars. The Solution:

  1. Screening: Differentiate “Static” (Structural) vs “Dynamic” (Rail) experience. Evidence: STN EN 15085-2 (Railway applications).

10. Research Log (Constitution v3.0)

IDSource NameTypeRelevanceDate Accessed
1Slov-Lex (Decree 121/2002)Gov LegislationFire SafetyFeb 2026
2ÚNMS SR (ISO 9606-1)Gov StandardsQualificationFeb 2026
3ÚNMS SR (EN 1090-2)Gov StandardsExecution RulesFeb 2026
4ERI Economic ResearchData ProviderWage ProjectionsFeb 2026
5Profesia.skJob PortalWage DataFeb 2026
6Platy.skSalary PortalWage DataFeb 2026
7IOM SlovakiaNGOVisa ProceduresFeb 2026
8Foreign Police (MinV)Gov AuthorityPermitsFeb 2026
9Labour Office (UPSVR)Gov AuthorityShortage ListFeb 2026
10NumbeoCost of LivingRegional DataFeb 2026
11Slov-Lex (Act 404/2011)Gov LegislationResidence ActFeb 2026
12Slov-Lex (Decree 392/2006)Gov LegislationPPE RulesFeb 2026
13STN EN 15085-2StandardRail WeldingFeb 2026
14STN EN 1011-2StandardFerritic WeldingFeb 2026
15TWI GlobalTechnical InstituteStandards GuideFeb 2026
16TatravagónkaEmployerJob RequirementsFeb 2026
17ŽOS TrnavaEmployerJob RequirementsFeb 2026
18SES TlmačeEmployerJob RequirementsFeb 2026
19National Labour InspectorateGov AuthoritySafetyFeb 2026
20Public Health (ÚVZ)Gov AuthorityHousing HygieneFeb 2026
21Agency Employment ActLegislationAgency RulesFeb 2026
22Social Insurance (SP)Gov AuthorityWage LeviesFeb 2026
23Health Insurance (VšZP)Gov AuthorityInsurance GapFeb 2026
24Schengen Visa InfoEU PortalVisa FeesFeb 2026
25Jooble (Welder)Job AggregatorMarket DemandFeb 2026
26Reality.skReal EstateHousing CostFeb 2026
27Nehnutelnosti.skReal EstateHousing CostFeb 2026
28Lincoln Electric (SK)SupplierConsumablesFeb 2026
29ESAB (Slovakia)SupplierEquipmentFeb 2026
30Welding Institute (VÚZ)InstituteCertificationFeb 2026

Executive Summary

The Slovak Republic (Slovenská republika) is a unitary civil-law jurisdiction under the Ústava Slovenskej republiky (Constitution č. 460/1992 Zb. of 1 September 1992), operating in a European-civilian tradition inherited from the post-1918 Czechoslovak federation and recodified after the 1 January 1993 dissolution. Legislative competence sits centrally with the Národná rada SR; enforcement is split between central inspectorates and the eight samosprávne kraje. Construction labour, immigration, social security, and trade licensing are central-legislative matters, with regional Úrady práce, sociálnych vecí a rodiny (ÚPSVR), the Ministerstvo vnútra (Cudzineckej Polície), and the Národný inšpektorát práce (NIP) operating enforcement. Slovakia acceded to the EU on 1 May 2004, joined Schengen on 21 December 2007, and adopted the Euro on 1 January 2009 — the only Visegrád-Four state in the eurozone, which is operationally significant for cross-border payroll, A1 reciprocity, and SEPA reconciliation. Primary legislation is consolidated at https://www.slov-lex.sk/; EU acts at https://eur-lex.europa.eu/.

The current landscape for non-EU workforce deployment is anchored by five statutes. (1) Zákon č. 404/2011 Z. z. o pobyte cudzincov (Aliens Act of 21 October 2011) codifies entry, residence, and the principal residence-and-work titles — Jednotné povolenie na pobyt a zamestnanie (Single Permit) under §22-§23 and Modrá karta Európskej únie (EU Blue Card) under §37-§38. (2) Zákon č. 5/2004 Z. z. o službách zamestnanosti governs labour-market access, employer notification, and ÚPSVR competences. (3) Zákon č. 311/2001 Z. z. Zákonník práce plus Zákon č. 351/2015 Z. z. on cezhraničné vysielanie zamestnancov together transpose Directive 96/71/EC and Directive 2018/957/EU. (4) Zákon č. 50/1976 Zb. Stavebný zákon, deeply revised by Zákon č. 200/2022 Z. z. o územnom plánovaní and Zákon č. 201/2022 Z. z. o výstavbe (staged entry into force from 1 April 2024 [verify final operative date]), and Zákon č. 138/1992 Zb. on autorizovaní stavební inžinieri. (5) Zákon č. 455/1991 Zb. Živnostenský zákon classifying activities into voľné, remeselné, and viazané trades. The zoznam zamestnaní s nedostatkom pracovnej sily (shortage-occupations list) operated quarterly by MPSVR / ÚPSVR provides accelerated Single-Permit processing for designated trades. References: https://www.slov-lex.sk/ ; https://www.minv.sk/?cudzinci ; https://www.upsvr.gov.sk/.

Qualification & Experience Benchmarks

The Stavebný zákon č. 50/1976 Zb. remains in force pending full operationalisation of Zákon č. 200/2022 Z. z. o územnom plánovaní and Zákon č. 201/2022 Z. z. o výstavbe [verify final entry into force — phased operationalisation initially planned for 1 April 2024 has been deferred]. The new framework centralises permit issuance into the Úrad pre územné plánovanie a výstavbu SR. Stavbyvedúci and stavebný dozor require autorizácia under Zákon č. 138/1992 Zb., administered by SKSI (https://www.sksi.sk/) — named-individual roles, not worker-level.

The Živnostenský zákon č. 455/1991 Zb. (https://www.slov-lex.sk/pravne-predpisy/SK/ZZ/1991/455/) classifies commercial activities into three categories under §19: voľné (free, on simple ohlásenie), remeselné (craft, requiring výučný list / maturita or recognition under Zákon č. 422/2015 Z. z. transposing Directive 2005/36/EC), and viazané (regulated, requiring Osvedčenie o odbornej spôsobilosti). Construction-relevant remeselné: murárstvo, tesárstvo, pokrývačstvo, klampiarstvo, izolatérstvo, kominárstvo, podlahárstvo, montáž suchých stavieb, obkladačstvo. Construction-relevant viazané: uskutočňovanie stavieb a ich zmien (execution of constructions — the principal-contractor licence), projektová činnosť vo výstavbe, výkon zememeračských činností, and odborné prehliadky vyhradených technických zariadení (designated electrical, lifting, pressure, gas equipment). The živnostenské oprávnenie attaches at firm / zodpovedný zástupca level — the individual worker does not hold a personal živnostenský list.

Vyhradené technické zariadenia (VTZ) — lifting equipment, pressure vessels, gas, electrical installations — are supervised under Zákon č. 124/2006 Z. z. and Vyhláška MPSVR č. 508/2009 Z. z. by NIP (https://www.ip.gov.sk/) coordinated with Technická inšpekcia a. s. (TI SR, https://www.tisr.sk/). Operator certifications (osvedčenie viazača bremien, žeriavnika, vodiča motorového vozíka) are not auto-recognised from foreign issuances — recognition requires a TI SR equivalence procedure or local re-certification, ordinarily 2-6 weeks. The Osvedčenie odbornej spôsobilosti for designated electrical, gas, pressure, and lifting work is a worker-level firm-non-portable certification under §16 Zákon č. 124/2006 Z. z.

Language & Communication Requirements

There is no statutory CEFR requirement attaching to the Jednotné povolenie or Modrá karta EÚ at issuance. A Slovak-language threshold applies to permanent residence pathways and to citizenship under §74 Zákon č. 40/1993 Z. z., discharged via a state-language examination at Ministerstvo školstva accredited centres. This is a downstream concern, not an entry barrier.

Slovak (slovenčina) is the principal site language. Slovak and Czech are mutually intelligible — a structural advantage for deployments via Czech sending employers and a recognised factor in CZ-SK mobility. BOZP instructions, MSDS / KBÚ, and emergency procedures must be communicated in a language the worker comprehends under §7 Zákon č. 124/2006 Z. z. — Slovak (or Czech) versions are canonical at NIP inspection. On automotive EPC sites — Volkswagen Bratislava, Kia Motors Slovakia (Žilina), Jaguar Land Rover Slovakia (Nitra), Stellantis (Trnava) — English and German are tolerated, German common at VW; Slovak BOZP induction remains contractually standard. Indicative 2026 A2 course cost: EUR 350-900 per term [verify].

Theoretical / Oral Knowledge Test

[Editorial deepening pending. Section to be authored from country brief and trade-specific sources.]

Workplace Culture & Behavioral Expectations

(1) Minimálna mzda 6-level skill system is the central wage-parity feature. Unlike DE/AT (sector-CBA hourly tables) or CZ (8-level Zaručená mzda), Slovakia operates a 6-level coefficient system anchored to minimálna mzda under §120 ZP. Wage parity for posted workers and Single-Permit holders is calculated at the relevant Stupeň, not at the flat minimálna mzda. Map each trade: skilled journeymen (murár, scaffolder, pipefitter, welder, electrician, plumber) anchor at Stupeň 3 (1.4); lead operators / žeriavnici / supervisors at Stupeň 4 (1.6).

(2) Czech-Slovak language mutual intelligibility. Czech-language BOZP / KBÚ documentation is generally accepted at NIP inspection (Zákon č. 270/1995 Z. z. de facto). This eases SK deployments routed via Czech sending employers and reduces site-induction friction vs DE / AT / FR / NL.

(3) Volkswagen Bratislava, Kia Žilina, Jaguar Land Rover Nitra, Stellantis Trnava drive non-EU specialist demand. Slovakia’s automotive cluster (highest per-capita car production globally as of 2024) operates in continuous-shutdown / EPC / new-line cycles generating persistent demand for non-EU welders, pipefitters, scaffolders, electricians, žeriavnici. The kraj-level shortage list (Bratislavský, Žilinský, Nitriansky, Trnavský) frequently includes these trades, with the 30-working-day accelerated Single-Permit track under §22(7) Zákon č. 404/2011 Z. z. Confirm quarterly at https://www.upsvr.gov.sk/.

(4) NIP enforcement has intensified post-2018 reform. Since the Zákon č. 307/2019 Z. z. transposition of Directive 2018/957 and IMI-cooperation ramp-up, NIP routine inspection now includes on-site documentation checks, A1 cross-verification with home-state institutions, wage-parity audits against Stupeň-level expected wages, and IMI-based home-state liability inquiry. Sending employers operating below CZ / PL documentation thresholds may find SK enforcement more aggressive.

(5) High employer-side payroll cost (~35-36 %) is critical for cost modelling. SK employer composite is materially higher than CZ (~33.8 %), PL (~21 %), HU (~13 % post-2022 reform) — among the heaviest EU regimes alongside FR, BE, IT. With the maximálny vymeriavací základ at 7x average wage applied to both Sociálna poisťovňa and zdravotné branches (vs CZ where the health cap was abolished), upper-band effective rates remain elevated. Do not transfer CZ composite assumptions to SK without adjustment.

(6) No construction sectoral fund. No Soka-Bau / BUAK / Constructiv / CIBTP equivalent. Holiday pay and severance run via the employer under Part 8 ZP. Remove that cost line vs DE/AT/BE/FR, but offset against the higher general payroll burden above.

(7) Eurozone operational advantage. Slovakia is the only V4 state in the eurozone (since 1 January 2009). Cross-border payroll, A1 reciprocity, SEPA reconciliation, and wage-parity calculation operate without local-currency translation risk — a simplification vs CZ (CZK), PL (PLN), HU (HUF).

Red Flags & Instant Disqualifiers

[Editorial deepening pending. Section to be authored from country brief and trade-specific sources.]

Country-Specific Adaptation Gaps

Five recurrent failure modes account for most NIP, Sociálna poisťovňa, and Cudzineckej Polície sanctions in cross-border construction deployment.

  1. NIP notification omission (§4 Zákon č. 351/2015 Z. z.). Failure to file before work begins, or notification omitting sites or worker identities. Each new site / new worker requires updated filing — the original does not carry forward. Post-2018 enforcement is intensified with IMI-based bilateral verification routinely applied.

  2. Minimálna mzda skill-level mismatch. Mis-classification of skilled-trade workers at Stupeň 1 or 2 when actual work falls within Stupeň 3 (murári, pokrývači, scaffolderi, welderi, pipefitteri) or Stupeň 4 (lead operators, žeriavnici). NIP reclassifies routinely with retroactive wage liability under §5 ZP and §13 Zákon č. 663/2007 Z. z. The 6-level system is a Slovak-specific feature with no direct CZ analogue (CZ uses 8-level Zaručená mzda with different anchoring).

  3. Sociálna poisťovňa under-payment. Mis-application of the 7x-average-wage maximálny vymeriavací základ, omission of the rezervný fond solidarity (4.75 % employer), or mis-classification of úrazové poistenie. Cross-checks under §242 Zákon č. 461/2003 Z. z. carry sanctions up to EUR 16,597 per breach (legal person) [verify 2026 §239]; large-scale evasion crosses into §277-§278 Trestný zákon.

  4. Single-Permit scope mismatch. Worker performing tasks materially different from the registered vacancy — permit issued for murár but worker deployed as žeriavnik or welder, or wrong kraj. Permit revocation under §36 Zákon č. 404/2011 Z. z., deportation for the worker, employer sanctions up to EUR 100,000 [verify 2026 §125 ZSL].

  5. Stavebný zákon firm authorisation absent. Foreign principal or subcontractor performing uskutočňovanie stavieb without Slovak živnostenské oprávnenie for the viazaná živnosť or without recognised cross-border service notification, or without an autorizovaný stavbyvedúci registered under SKSI. NIP / stavebný úrad joint inspection triggers immediate work stoppage and cumulative fines under §105-§107 Stavebný zákon č. 50/1976 Zb. (or §§ of Zákon č. 201/2022 once operative). Missing TI SR equivalence on VTZ certificates compounds the exposure.

Scoring Interpretation & Hiring Guidance

[Editorial deepening pending. Section to be authored from country brief and trade-specific sources.]

References & Resources

References & primary sources

Certification bodies & named authorities

  • Blue Card

Methodology

This assessment framework follows the Bayswater observational assessment methodology and the cross-jurisdiction skills-coverage framework.