Finance & Business
Finance agent skills bring structure to money-related work: financial models, accounting workflows, invoices, budgeting, and market analysis. Your AI agent loads the skill when the task matches and follows its rules, in any agent that reads SKILL.md files.
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ashfordeou Bundle Power Thermal BudgetUse when sizing spacecraft electrical power and thermal budgets per ECSS practice: estimate battery capacity from eclipse power draw, depth of discharge, and efficiency; size the solar array from daylight-only generation; and check power margins against spacecraft bus requirements. The skill covers orbit-period eclipse fractions, battery sizing, solar array sizing, and margin checks for power budgets. Trigger: power budget, thermal budget, eps, eclipse, battery sizing, solar array, spacecraft, orbit period, power margin.
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ashfordeou Bundle Bleed Air System SizingUse when you must size the aircraft bleed air system: roll up the total bleed offtake mass flow from the fixed consumer demands (ECS pack flows, wing anti-ice flow, pressurization trim flow), split the offtake per engine, compute the bleed thermal budget the precooler must reject between the bleed supply temperature and the consumer supply temperature, and size each engine bleed duct diameter from compressible pipe flow at a fixed design Mach number. Produces the total and per-engine offtake mass flow, the per-engine and total thermal budget, the duct flow area and diameter, and a fit verdict against the nominal duct diameter limit. Trigger: bleed air sizing, bleed offtake mass flow, per engine offtake, bleed duct diameter, duct Mach sizing, precooler heat load, bleed thermal budget, pneumatic bleed manifold, bleed supply temperature.
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ashfordeou Bundle Uncertainty PropagationUse when you must propagate measurement uncertainties through a calculation with the GUM first order law: combine the sensitivity coefficients and standard uncertainties of the independent inputs into the combined standard uncertainty, expand it with a coverage factor, and identify the dominant contribution. Produces the combined standard uncertainty, the expanded uncertainty, and the per input variance shares that gate the measurement uncertainty budget. Trigger: uncertainty propagation, combined standard uncertainty, expanded uncertainty, coverage factor, sensitivity coefficient, GUM, variance contribution, dominant uncertainty.
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ashfordeou Bundle Hohmann TransferUse when you must size a Hohmann transfer between two coplanar circular orbits of a spacecraft: compute the transfer-orbit semimajor axis and period, the circular-orbit velocity at the departure and arrival radii, the periapsis and apoapsis speeds on the transfer ellipse with the vis-viva equation, and the departure and arrival burn impulses that make up the hohmann-transfer delta-v budget. Produces the transfer time, the two impulse burns, and the total delta-v that gate orbit-raising and orbit-lowering maneuver planning and the rendezvous phase angle for a target in the outer orbit. Trigger: hohmann-transfer, delta-v, transfer-orbit, burn-impulse, vis-viva, coplanar-transfer, orbit-raising, transfer-time.
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ashfordeou Bundle Lambert TransferUse when you must solve Lambert's problem for a spacecraft orbit transfer: given two position vectors and a transfer time, find the connecting orbit with the p-iteration method, compute the velocity vectors at both endpoints, the transfer delta-v against circular parking orbits, and the transfer ellipse elements. Produces the semimajor axis, eccentricity, semilatus rectum, the required endpoint velocities, the delta-v budget, and the time-of-flight check, with short-way and long-way branches, the 180-degree case reducing to the Hohmann transfer as a sanity check, and multi-revolution transfers as an extension. Trigger: lambert-transfer, lambert-problem, p-iteration, time-of-flight, two-position, transfer-time, short-way, long-way, multi-revolution.
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ashfordeou Bundle Command Data HandlingUse when the task is command validation, telemetry packetization, CCSDS framing, onboard data storage sizing, downlink budgeting, spacecraft data bus selection, or C&DH redundancy. Design and check spacecraft command and data handling (C&DH): validate telecommands against opcode, length, and CRC-16 checksum; packetize telemetry into CCSDS-style frames with sequence counts and error detection; size onboard storage from per-orbit data volume; and budget downlink time and rate from stored data volume and link capacity. Computes CRC-16 checksums, byte-exact CCSDS packets, storage sizes, and downlink verdicts with deterministic functions. Trigger: command data handling, telemetry, telecommand, CCSDS, packetization, downlink, CRC-16, onboard storage, data bus, SpaceWire, MIL-STD-1553.
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ashfordeou Bundle Low Thrust SpiralUse when you must size a low-thrust transfer between two circular orbits under continuous thrust with the Edelbaum approximation, for ion propulsion and other electric-propulsion trajectories: compute the circular-orbit velocity at both radii, the total delta-v budget including the inclination change (no-plane-change spiral case as the di = 0 limit), the propellant mass and final mass from the rocket equation at constant thrust and specific impulse, the spiral transfer time, and the impulsive Hohmann delta-v of the same end orbits as comparison. Produces the delta-v budget, propellant mass, final mass, and transfer time that gate low-thrust transfer sizing and trajectory selection. Trigger: low-thrust transfer, Edelbaum, continuous thrust, spiral transfer, inclination change, ion propulsion trajectory, circular orbit.
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ashfordeou Bundle Clohessy WiltshireUse when you must propagate and analyze the Clohessy-Wiltshire linearized relative motion of a deputy spacecraft about a chief in a circular orbit: compute the chief mean motion, build the 6x6 relative-motion state-transition-matrix, propagate the deputy-chief relative state (x radial, y along-track, z cross-track), check the bounded relative orbit condition y_dot = -2 n x, and size the two-impulse targeting delta-v to a desired final relative state. Produces the propagated relative trajectory, the bounded-orbit verdict, the impulse budget, and a geometry sanity check with singular one-orbit and cross-track-nulling transfer times flagged. Trigger: clohessy-wiltshire, hill equations, relative-motion state-transition-matrix, deputy-chief, two-impulse targeting, along-track drift, cw propagation, relative orbit injection, cross-track offset.
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ashfordeou Bundle Antenna Aperture SizingUse when you must size the parabolic antenna aperture of a spacecraft communications link: convert a required antenna gain into the reflector diameter through the aperture efficiency, compute the achieved gain of the sized aperture, the half-power beamwidth, the pointing budget with pointing loss, and the receive gain-over-temperature G/T figure of merit. Produces the required gain, the reflector diameter, the achieved gain, the beamwidth, the pointing budget and the G/T that gate an antenna aperture sizing. Trigger: antenna aperture sizing, parabolic reflector gain, aperture efficiency, required antenna gain, half-power beamwidth, pointing loss budget, gain over temperature, spacecraft antenna sizing.
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ashfordeou Bundle Communication Link BudgetUse when you must build or check a spacecraft communications link budget: compute the free space path loss from distance and frequency, derive EIRP from transmit power and antenna gain, estimate received power and carrier to noise density ratio, and verify the link margin against the required energy per bit to noise ratio at the data rate. Produces path loss, EIRP, received power, C/N0, Eb/N0, and the margin verdict that closes the link. Trigger: link budget, path loss, eirp, carrier to noise density, eb n0, link margin, data rate, spacecraft communications.
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ashfordeou Bundle Mission Delta V BudgetUse when you must build the spacecraft mission delta-v budget: sum the launch insertion, orbit transfer, plane change, station keeping, and deorbit contributions, apply a margin allocation, and convert the budget into propellant mass with the Tsiolkovsky rocket equation from the dry mass and the specific impulse. Produces the nominal and margined delta-v totals, the required propellant and wet masses, and the budget verdict that closes the propulsion sizing. Trigger: mission delta-v budget, delta-v summation, propellant mass, tsiolkovsky, specific impulse, dry mass, station keeping, deorbit.
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ashfordeou Bundle Fuel System Weight EstimationUse when you must predict the fuel system group weight at the class-II level for the weight statement: evaluate the statistical fuel system weight regression of the transport integral-tank fuel system on the total fuel weight and the tank arrangement, the fixed 80 lb count allowance per tank and engine unit plus the 15 lb volume term scaling with the square root of the tank count and the cube root of the fuel quantity at the published fuel specific weight, and sum the terms into the fuel system group mass. Produces the fuel system group mass in kg for the tanks, sealing, pumps, plumbing and distribution hardware, and its fraction of the total fuel weight for the weight statement and the mass budget rollup. Trigger: fuel system weight estimation, fuel system group weight, fuel system weight regression, class ii fuel system weight buildup, tank group weight estimation.
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mturac Skill Customer Billing OpsOperate customer billing workflows such as subscriptions, refunds, churn triage, billing-portal recovery, and plan analysis using connected billing tools like Stripe. Use when the user needs to help a customer, inspect subscription state, or manage revenue-impacting billing operations.
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ashfordeou Bundle Rocket Gravity LossUse when you must account for gravity loss in a launch-vehicle powered ascent: compute the burn time from the propellant load and its flow rate, the launch thrust-to-weight ratio from the sea-level thrust and the initial mass, the gravity loss as g0 times the burn time for a vertical ascent or as g0 times the burn time times the sine of a constant mean flight-path angle for a pitched ascent, and the effective ascent delta-v as the ideal delta-v minus the gravity and drag losses. Produces the burn time, launch thrust-to-weight ratio, gravity loss and effective ascent delta-v that turn an ideal delta-v budget into an ascent-feasible requirement. Trigger: gravity loss, powered ascent, launch vehicle ascent, burn time, thrust-to-weight ratio, vertical ascent, pitched ascent, effective delta-v.
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ashfordeou Bundle Propellant SelectionUse when you must select and screen rocket propellants for a mission: classify propellant families (cryogenic, storable, hypergolic, solid, hybrid), compare specific impulse and density impulse, compute the mixture bulk density and the O/F ratio optimum, derive the required propellant mass fraction from a delta-v budget with the rocket equation, and judge storability and handling for the mission. Produces the propellant family classification, the density-impulse ranking, the O/F verdict, the mass fraction, and the suitability verdict, in SI units (s, kg/m^3, m/s). Trigger: propellant selection, specific impulse, density impulse, mixture ratio, O/F ratio, hypergolic, cryogenic, storable, solid propellant, storability.
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ashfordeou Bundle Thermal DesignUse when you must size the thermal control subsystem for a spacecraft: compute the radiator area from the Stefan-Boltzmann balance, solve the equilibrium radiator temperature for a heat load, and check the thermal margin against the dissipation budget. Produces the radiator sizing, the equilibrium temperature, and the margin verdict that gate the thermal design. Trigger: thermal design, radiator sizing, thermal balance, heat load, spacecraft thermal control.
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ashfordeou Bundle Aperiodic Server SchedulingUse when you must give the aperiodic or event-driven jobs of an avionics flight software task set a bounded service under fixed-priority scheduling: reduce the event streams to their load utilization, size the polling-server, deferrable-server or sporadic-server capacity and period from that load with a burst margin, fold the server budget into the fixed-priority response-time analysis as a periodic task at its priority slot, and place it at the highest slot where every periodic task keeps its implicit deadline and the budget completes within its period. Produces the sized server budget, the insertion index with the augmented response times and total utilization, the worst-case aperiodic response bounds with the capacity-loss wait and replenishment arithmetic, and the no-feasible-slot verdict. Trigger: aperiodic server, sporadic server, deferrable server, polling server, server budget, event driven jobs, aperiodic response time.
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ashfordeou Bundle Gridded Ion ThrusterUse when you must size or analyze a gridded ion thruster (Kaufman type) for electrostatic propulsion: ion exhaust velocity and specific impulse from the net beam voltage, Child-Langmuir space-charge limit and perveance margin of the accelerator grid, beam current from extraction area and grid transparency, thrust from beam current and from power with total efficiency, and propellant mass for a delta-v mission. Produces the gridded thruster performance summary with thrust, specific impulse, perveance check, power budget and propellant mass, plus the gridded versus hall comparison at equal power. Trigger: gridded ion thruster, Kaufman thruster, electrostatic propulsion, accelerator grid, perveance, beam extraction, net voltage, ion optics, specific impulse.
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ashfordeou Bundle Pointing Error BudgetUse when you must assemble the spacecraft pointing error budget for the attitude determination and control system: combine independent 1-sigma error contributors (determination noise, gyro propagation, control deadband, jitter, thermal distortion) by root-sum-square, convert to 3-sigma, check it against the pointing requirement, allocate the remaining budget to a not-yet-sized contributor, and rank error sources by variance share. Produces the RSS pointing error, the requirement verdict, the allocated contributor budget, and the dominant error source, the assembly layer from sensor metrology to payload pointing. Trigger: rss pointing error, 3 sigma requirement, error budget allocation, control deadband, jitter budget, dominant error source.
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ashfordeou Bundle Electrothermal ThrusterUse when you must compute the electrothermal thruster operating point for electric propulsion: useful heating power from input power and heating efficiency, propellant mass flow from chamber temperature rise, ideal vacuum exhaust velocity, thrust, specific impulse, thrust efficiency and thrust-to-power ratio for a resistojet or arcjet family point. Produces a single-point performance summary with the power budget decomposition and a typical-band verdict. Trigger: electrothermal thruster, resistojet, arcjet, heated propellant, power to thrust, ammonia, nitrogen, hydrogen, helium propellant, specific impulse.
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sheshiyer Skill Customer Billing OpsOperate customer billing workflows such as subscriptions, refunds, churn triage, billing-portal recovery, and plan analysis using connected billing tools like Stripe. Use when the user needs to help a customer, inspect subscription state, or manage revenue-impacting billing operations.
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ashfordeou Bundle Rotorcraft Range EnduranceUse when you must determine the rotorcraft fuel closure into hover endurance and cruise range and endurance: the hover power from the weight, the rotor disk area and the figure of merit, the exact weight-decay integration of the fuel burn into a closed-form hover endurance, and the cruise range and endurance at a chosen speed from an input power-required curve scaled with the average weight, together with the best-range and best-endurance speed picks. Produces the hover power and endurance, the cruise range and endurance, the fuel-flow rates, the specific range and the best-speed selection that gate the rotorcraft mission fuel check. Trigger: rotorcraft range endurance, hover endurance closure, cruise range closure, cruise endurance closure, rotorcraft fuel budget closure, specific range, best range speed, best endurance speed, average weight power scaling.
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ashfordeou Bundle Fastener Position Tolerance CalcUse when you must size positional tolerances or clearance holes for mating fastener patterns: compute the total positional tolerance budget as the clearance hole MMC diameter minus the fastener maximum diameter, split the budget between the two mating members with the floating fastener formula, apply the fixed fastener formula when the threaded member share acts through a projected tolerance zone, and invert the formula to find the minimum clearance hole MMC diameter for a given fastener and tolerance split. Produces the tolerance split, the minimum hole diameter and the projected zone height that gate the hole pattern callout. Trigger: fastener position tolerance, fixed fastener, floating fastener, clearance hole MMC, projected tolerance zone, mating hole pattern, hole pattern callout, maximum material condition.
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ashfordeou Bundle Telemetry Data AcquisitionUse when the task is flight test telemetry and data acquisition planning, PCM frame or IRIG time coding, data latency budgeting, signal conditioning, ground station link checks, or telemetry quality checks. Design and check the flight test telemetry and data acquisition chain: size the PCM minor frame and bit rate, assign supercommutated and subcommutated channels against the frame rate, encode the time of year in IRIG time format, condition the sensor signal to the ADC span, budget the end-to-end data latency against the requirement, and verify the ground station link margin and telemetry quality against the bit error rate and dropout limits. Produces the frame and bit rate, the channel assignments, the latency and link verdicts, and the quality verdict that gates the recorded data. Trigger: pcm telemetry formats, irig time coding, data latency, signal conditioning, ground station link, bit error rate, dropout.
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ashfordeou Bundle Environmental Disturbance Torque BudgetUse when you must estimate the worst-case environmental disturbance torque budget for a spacecraft: compute gravity-gradient torque from orbit mean motion and principal moment spread at the attitude offset, solar pressure torque from area, incidence cosine and lever arm with reflectivity convention, residual magnetic dipole torque against the local field, and aero drag torque from the free-molecular relation at explicit density. Produces per-source worst-case torques, aligned-axis total with dominant source, per-orbit disturbance impulse and actuator torque margin. Trigger: disturbance torque budget, worst-case disturbance torque, gravity-gradient torque, solar pressure torque, residual magnetic dipole, aero drag torque, per-orbit impulse.
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javimosch Skill Objection HandlingObjection Handling — Turn Resistance Into Revenue
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javimosch Skill Revenue CalculatorRevenue Calculator
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withoneai Skill Sage AccountingSage Accounting through One
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revfactory Bundle Kpi Tree BuilderMethodology for systematically designing KPI trees (metric hierarchy) and defining drill-down structures. Use this skill for 'build a KPI tree', 'metric hierarchy design', 'drill-down structure', 'KPI decomposition', 'performance metrics framework', 'revenue decomposition tree', and other KPI system design tasks. Note: actual database query optimization and real-time monitoring infrastructure construction are outside the scope of this skill.
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revfactory Bundle Objection HandlerA methodology for systematically classifying and responding to customer objections in B2B sales. Used for 'objection handling,' 'rebuttal management,' 'sales rebuttals,' 'price objections,' 'competitive comparison responses,' and 'budget constraint responses' when handling sales objections. Note: Legal advisory, contract drafting, and actual negotiation representation are outside the scope of this skill.
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pku-yuangroup Bundle Bio Hi C Analysis Matrix OperationsBalances Hi-C contact matrices (ICE via cooler.balance_cooler, KR/SCALE/VC context), computes distance-decay expected with cooltools (expected_cis per-diagonal P(s), expected_trans scalar), builds observed/expected (O/E) matrices, and diagnoses polymer state from the P(s) log-derivative. Covers the within-matrix-vs-cross-sample distinction (balancing is NOT a normalizer), the equal-visibility assumption that CNV/aneuploidy violates (use raw counts for copy-number), cis-only balancing, mad_max/blacklist masking before balancing, multiplicative cooler weights vs divisive juicer weights, and the resolution-vs-depth budget. Use when balancing a .cool/.mcool, computing expected or P(s), making O/E matrices for compartments/loops, deciding ICE vs KR vs SCALE, choosing a resolution for a given depth, or troubleshooting NaN/all-NaN balanced matrices; route cross-sample comparison to hic-differential.
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revfactory Bundle Budget Standard CheckerMethodology for verifying government R&D project budget cost category standards and appropriateness. Use this skill for 'budget standard verification', 'cost category allocation', 'government project budget regulations', 'personnel cost standards', 'equipment allocation', 'indirect cost calculation', and other government project budget verification tasks. Note: actual accounting processing, tax calculation, and evidence document issuance are outside the scope of this skill.
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revfactory Bundle Spatial Layout GuideA layout guide for optimizing furniture placement and spatial traffic flow. The 'item-curator' and 'style-analyst' agents must use this skill's placement rules, dimension standards, and traffic flow design methods when selecting and arranging furniture. Used for 'furniture placement', 'spatial layout', 'traffic flow design', etc. Color design and budget management are outside this skill's scope.
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revfactory Bundle Sla Impact CalculatorCalculation models and business impact matrices for quantitatively assessing incident impact based on SLA/SLO. Use this skill for 'SLA impact', 'SLO violation', 'impact assessment', 'revenue loss estimation', 'error budget', 'availability calculation', 'incident cost assessment', and other tasks quantifying the business impact of incidents. Enhances the impact assessment capabilities of impact-assessor. Note: incident cause analysis and remediation planning are outside the scope of this skill.
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yigityildiz0 Skill Context ManagerKeep long tasks accurate by tracking goals, constraints, decisions, evidence, artifacts, unresolved questions, and context budget through progressive disclosure and verified handoffs. Use when a task spans many files, tools, agents, or compactions; never treat a summary as stronger evidence than its sources. Turkish triggers: uzun görevin bağlamını koru, durum özeti ve devir, context kaybını önle.
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yigityildiz0 Skill Budget DashboardBudget-analysis skill. Use when Codex should turn finance tables into a dashboard with KPIs, variance views, and readable summary signals.
Frequently asked questions
What are Finance & Business agent skills?
Finance agent skills bring structure to money-related work: financial models, accounting workflows, invoices, budgeting, and market analysis. Your AI agent loads the skill when the task matches and follows its rules, in any agent that reads SKILL.md files.
Which Finance & Business skills are most installed?
Popular Finance & Business skills on SkillMD right now include revenue-calculator, power-thermal-budget, bleed-air-system-sizing. Rankings shift as installs change; sort this page by "Most installs" for the live list.
Do Finance & Business skills work with Claude Code and Cursor?
Yes. Every skill here ships as a SKILL.md file, an open format that works in Claude Code, Claude.ai, Cursor, Codex, Windsurf, and 60+ other agents. Install one with npx skillmds@latest add <owner>/<name>, or copy the file into your agent's skills directory.