Stellaris Build - Best Political Empire

Empire strategy that focuses on politics.

Key ethics: Authoritarian, Fanatic Xenophile
Key civics: Diplomatic Corps
Key origin: Hegemon
Key traditions: Diplomacy, Subterfuge, Politics
Key perks: Shared Destiny
Key edicts: Bureau of Espionage, Diplomatic Grants, Will to Power
Key federation types: Galactic Union, Hegemony, Trade League

Influence bonuses:
Authoritarian ethics +0.5 Monthly influence
Imperial authority +1 Power Projection
Will to Power +5 Monthly influence
Federation president +1 Monthly influence

Sum*: +7.5 Monthly influence

Available envoys bonuses:
Fanatic Xenophile ethics +2 Available envoys
Diplomatic Corps civic +2 Available envoys
Diplomacy traditions +2 Available envoys
Subterfuge traditions +1 Available envoys
Politics traditions +1 Available envoys
Shared Destiny perk +2 Available envoys
Bureau of Espionage edict +1 Available envoys
Diplomatic Grants edict +1 Available envoys
Grand Embassy Complex +2 Available envoys
Federation president +1 Available envoys

Sum*: +15 Available envoys

*This number is not maximal, its optimal. I deliberetly ignored Domination tradition tree as bonuses from it are unnecesary (0.5 influence from colonial viceroys) or just too costly (Enhanced Surveillance edict gives only +1 envoy for -10% happines empire wide).