Rishi: Traditionally associated with the Yājñavalkya transmission (White Yajurveda school lineage).
Devata: Agni (with Mitra as invoked principle).
Chandas: Mixed prose/triṣṭubh-like cadence (Yajus-style formula with metrical cola).
Samhita Patha (Devanagari)क्ष॒त्रेणा॑ग्ने॒ स्वायु॒: सᳪ र॑भस्व मि॒त्रेणा॑ग्ने मित्र॒धेये॑ यतस्व । स॒जा॒तानां॑ मध्यम॒स्था ए॑धि॒ राज्ञा॑मग्ने विह॒व्यो॒ दीदिही॒ह
Transliterationkṣa̱tréṇā́gne svā́yuḥ sáṃ rabh-asva mitréṇā́gne mitra̱dhéye yat-asva | sa̱jā̱tā́nāṃ madhyamá-sthā́ edhi rā́jñām agne vi̱havyó dīdihīhá ||
Translationक्षत्रेणाग्ने स्वायुः सं रभस्व मित्रेणाग्ने मित्रधेये यतस्व । सजातानां मध्यमस्था एधि राज्ञामग्ने विहव्यो दीदिहीह ॥
Padapatha (Word Analysis)क्ष॒त्रेण॑ । अ॒ग्ने॒ । सु॒ऽआ॒युः॑ । सम् । र॒भ॒स्व॒ । मि॒त्रेण॑ । अ॒ग्ने॒ । मि॒त्र॒ऽधेये॑ । य॒त॒स्व॒ । स॒ऽजा॒तानाम्॑ । म॒ध्य॒म॒ऽस्थाः । ए॒धि॒ । राज्ञा॑म् । अ॒ग्ने॒ । वि॒ऽह॒व्यः॑ । दी॒दि॒ही॒ह॒ ।
Word by Wordक्षत्रेणby/with sovereignty, by royal power स्वायुःhaving good life/strength; of good vital power रभस्वgrasp/lay hold (firmly); take up मित्रेणby/with Mitra; by friendship/contract मित्रधेयेin/at the Mitra-ordinance; in the sphere of Mitra’s law यतस्वstrive; exert yourself; be intent सजातानाम्of the kindred-born; of those born together मध्यमस्थाःstanding in the middle; being the mediator राज्ञाम्of kings; of rulers विहव्यःwidely-invoked; much-called upon 
Viniyoga (Ritual Application)